أسئلة السيمنار الأولى كوميونتي حورس

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Questions and Answers

Which of the following factors is least likely to be a direct cause of a neurodegenerative disease?

  • Genetic inheritance.
  • Highly infectious pathogens. (correct)
  • Changes in lifestyle.
  • Malnutrition.

How do communicable and noncommunicable diseases differ in their development and duration?

  • Both develop at the same rate, but noncommunicable diseases are curable.
  • Both develop over time and are long-lasting, but only communicable diseases are fatal.
  • Communicable diseases develop immediately and are acute, while noncommunicable diseases develop over time and are long-lasting. (correct)
  • Communicable diseases develop slowly and are long-lasting, unlike noncommunicable diseases.

Which factor distinguishes genetic inheritance in the context of disease transmission?

  • It only affects the individual and cannot be inherited.
  • It can be directly transmitted through highly infectious pathogens.
  • It is solely determined by changes in lifestyle and surroundings.
  • It can be passed down from one generation to another, influencing disease susceptibility. (correct)

In the context of noncommunicable diseases (NCDs), consider a person with no family history of heart disease who maintains a healthy lifestyle. Which factor could still significantly elevate their risk?

<p>Exposure to environmental pollutants. (D)</p> Signup and view all the answers

If a disease is treated surgically or with specialized treatments, which type of disease is it most likely to be?

<p>A noncommunicable disease. (D)</p> Signup and view all the answers

According to the systematic review study, which of the following is the most frequently occurring dyad of concurrent diseases?

<p>HIV and Hypertension (D)</p> Signup and view all the answers

Which of the following triads was identified in the study as most frequently occurring?

<p>HIV, Hypertension, and Diabetes (B)</p> Signup and view all the answers

Which of the following is NOT identified as a factor associated with CD & NCD multimorbidity?

<p>High physical activity (A)</p> Signup and view all the answers

Which of the following prenatal infections is NOT listed as a potential cause of fetal malnutrition, potentially leading to NCDs?

<p>Influenza (B)</p> Signup and view all the answers

In genetically predisposed individuals, infections can indirectly serve as risk factors for the development of which of the following NCDs?

<p>Type 2 Diabetes Mellitus (C)</p> Signup and view all the answers

According to the information given, what is a critical aspect of redesigning NCD control strategies?

<p>Including infection control measures (C)</p> Signup and view all the answers

Integrating health systems to address NCDs and infectious diseases comprehensively is expected to yield which of the following benefits?

<p>Reduce the economic burden of healthcare and strengthen the healthcare system (D)</p> Signup and view all the answers

Which of the following best describes the relationship between Non-Communicable Diseases (NCDs) and the severity of COVID-19?

<p>Individuals with NCDs have an increased risk of severe illness from COVID-19. (C)</p> Signup and view all the answers

According to the content, what is an integral element of an NCD control strategy related to infections?

<p>Prevention of infection in pregnancy and childhood through routine immunization (A)</p> Signup and view all the answers

Which infection is most commonly associated with gastric cancer?

<p>H pylori (D)</p> Signup and view all the answers

Which of the following pairs represents an infection and a related NCD with a significant burden?

<p>Hepatitis C Virus and cirrhosis &amp; other chronic liver diseases (B)</p> Signup and view all the answers

Endemic Burkitt's lymphoma (BL) has associations with which of the following?

<p>Epstein-Barr Virus (EBV) &amp; Malaria (C)</p> Signup and view all the answers

How does type 2 diabetes mellitus potentially impact communicable diseases (CDs)?

<p>It can interact with and complicate numerous CDs of public health importance, such as HIV, TB, and malaria. (C)</p> Signup and view all the answers

Compared to individuals without diabetes, how much more at risk are patients with type 2 diabetes mellitus of active TB infection?

<p>Three-times more risk (A)</p> Signup and view all the answers

What are potential adverse effects in patients with HIV on antiretroviral treatments?

<p>They can present with type 2 diabetes mellitus &amp; lipid disorders and are at more risk of experiencing cardiovascular events (B)</p> Signup and view all the answers

Patients with HIV on antiretroviral treatments are at an increased risk of experiencing cardiovascular events. What is the most likely reason for this heightened risk?

<p>The antiretroviral treatments lead to adverse metabolic effects, such as lipid disorders, that contribute to cardiovascular risks. (C)</p> Signup and view all the answers

Which of the following factors is primarily associated with self-management rather than environmental influence?

<p>Individual's choice of food and diet (A)</p> Signup and view all the answers

How do NCDs generally affect one's susceptibility to infections?

<p>NCDs increase susceptibility to infections by reducing immunity. (C)</p> Signup and view all the answers

Which factor related to medical conditions directly influences an individual’s risk of developing certain NCDs?

<p>Prevailing stress levels (D)</p> Signup and view all the answers

In the context of public health, why might 'chronic diseases' be considered a more appropriate term than others when discussing long-term health conditions?

<p>It is a more conventional and widely understood term. (B)</p> Signup and view all the answers

How do sociodemographic factors, such as income and education, indirectly influence an individual's health outcomes related to NCDs?

<p>By influencing access to healthcare and health literacy. (D)</p> Signup and view all the answers

Which of the following scenarios best illustrates the interplay between self-management and medical condition factors in controlling NCDs?

<p>A person managing their glucose levels through diet and exercise to combat diabetes. (B)</p> Signup and view all the answers

Which intervention strategy would be most effective in addressing the combined impact of environmental and sociodemographic factors on NCD prevalence?

<p>Implementing public health campaigns focused on improving air quality and promoting healthy lifestyles within specific communities. (B)</p> Signup and view all the answers

If a person has a high viral load, high blood pressure, is obese, and does not exercise, what is the most likely outcome?

<p>Increased risk of infection (B)</p> Signup and view all the answers

Which of the following is the MOST accurate description of the epidemiologic triad's components in the context of communicable diseases?

<p>Agent, host, and environment, showing the interaction of disease cause, susceptible individual, and contributing surroundings. (B)</p> Signup and view all the answers

A public health campaign aims to reduce the incidence of cardiovascular diseases (CVDs). Which intervention strategy would be MOST directly addressing a key risk factor, based on the provided information?

<p>Encouraging regular exercise and a balanced diet. (A)</p> Signup and view all the answers

Considering the distinctions between communicable and non-communicable diseases, which scenario BEST exemplifies the transmission dynamics of a communicable disease?

<p>Several students contract influenza after one infected student attends class. (D)</p> Signup and view all the answers

A patient is diagnosed with both hypertension and dyslipidemia. How would these conditions be categorized, and what broader health risk do they indicate?

<p>Non-communicable diseases indicating an elevated risk of cardiovascular diseases. (A)</p> Signup and view all the answers

Which of the following public health initiatives would be MOST effective in preventing the spread of a communicable disease like COVID-19?

<p>Promoting vaccination and mask-wearing during outbreaks. (B)</p> Signup and view all the answers

A researcher is studying the prevalence of diabetes in a population and identifies lifestyle choices and heredity as significant contributing factors. Which type of disease is the researcher MOST likely investigating?

<p>A non-communicable disease influenced by genetics and behavior. (A)</p> Signup and view all the answers

Considering the provided examples of diseases, which scenario would be LEAST likely to be addressed by strategies focused on preventing communicable diseases?

<p>A program aimed at improving air quality to reduce the incidence of chronic respiratory diseases. (B)</p> Signup and view all the answers

If a community is experiencing an increase in both obesity and depression rates, which combined approach would be the MOST effective for addressing these issues?

<p>Implementing programs that promote physical activity, mental health support, and access to nutritious food. (A)</p> Signup and view all the answers

Which of the following is the MOST direct role of the World Health Organization (WHO) at the global level in preventing and controlling Non-Communicable Diseases (NCDs)?

<p>Monitoring NCDs and supporting research for prevention and control. (D)</p> Signup and view all the answers

Which of the following actions BEST represents a society-level intervention for NCD prevention, as opposed to individual or global efforts?

<p>A school offers healthy food options and physical activity opportunities. (B)</p> Signup and view all the answers

Engaging non-governmental organizations, research institutions, and the private sector in collaborative partnerships is MOST relevant to which level of NCD prevention and control?

<p>Country Level (A)</p> Signup and view all the answers

What is the PRIMARY focus of continuous quality improvement systems in primary health care for NCD prevention and management?

<p>Improving the efficiency and effectiveness of NCD prevention and management. (A)</p> Signup and view all the answers

Why is providing opportunities for physical activity in the workplace considered an important strategy for NCD prevention?

<p>It helps reduce sedentary behavior and promotes overall health, reaching a large population. (A)</p> Signup and view all the answers

According to the WHO PEN, which of the following is included as part of the minimum set of interventions to address major NCDs in primary care?

<p>Detection, diagnosis, treatment, and care for diabetes. (D)</p> Signup and view all the answers

Besides cardiovascular diseases, diabetes and chronic respiratory diseases, what other area is included in the Package of Essential Noncommunicable (PEN) disease interventions?

<p>Cancer early diagnosis (C)</p> Signup and view all the answers

Which of the following components are featured in the Package of Essential Noncommunicable (PEN)?

<p>Components of healthy lifestyle, self-care and palliative care. (D)</p> Signup and view all the answers

Which of the following scenarios would LEAST likely contribute to the development of a neurodegenerative disease, based on the information provided?

<p>A sudden, severe allergic reaction to a common food allergen. (A)</p> Signup and view all the answers

Considering the information provided, which of the following most accurately describes the role of inheritance in the context of communicable and non-communicable diseases?

<p>Non-communicable diseases can be inherited, while communicable diseases are not directly inherited. (A)</p> Signup and view all the answers

If a patient exhibits symptoms that develop acutely and are attributed to a highly infectious pathogen, which disease characteristic would be LEAST relevant in determining the appropriate course of action?

<p>The community's history and the risk factors of noncommunicable diseases (C)</p> Signup and view all the answers

Given the distinction between the development and duration of communicable and non-communicable diseases (NCDs), which scenario best exemplifies a condition that would be classified as an NCD?

<p>An individual developing a chronic respiratory illness over several years due to prolonged exposure to air pollution. (D)</p> Signup and view all the answers

A public health initiative aims to reduce the incidence of non-communicable diseases (NCDs). Which intervention strategy would be MOST directly addressing a key risk factor, based on the provided information?

<p>Implementing policies to reduce exposure to air pollution and promote healthier lifestyles. (B)</p> Signup and view all the answers

In the context of CD & NCD multimorbidity, what is the most critical implication of identifying frequently occurring dyads and triads?

<p>It helps in developing targeted screening programs for high-risk individuals. (A)</p> Signup and view all the answers

Considering the factors associated with CD & NCD multimorbidity, which intervention strategy would be most effective in a community with a high prevalence of obesity, low education levels, and limited access to healthcare?

<p>Establishing accessible community-based programs that promote physical activity and provide nutritional education. (A)</p> Signup and view all the answers

How do prenatal infections potentially influence the pathogenesis of non-communicable diseases (NCDs) in later life?

<p>By leading to fetal malnutrition and developmental insults, increasing susceptibility to NCDs. (C)</p> Signup and view all the answers

Which strategy would be MOST effective in addressing the dual burden of communicable diseases (CDs) and non-communicable diseases (NCDs) within an integrated healthcare system?

<p>Developing comprehensive healthcare services that address both CDs and NCDs holistically. (A)</p> Signup and view all the answers

In the redesign of NCD control strategies, what critical adjustment is necessary considering the emerging evidence linking infections to many NCDs?

<p>Integrating infection control measures as a core component of NCD prevention strategies. (D)</p> Signup and view all the answers

How can integrating health systems to address NCDs and infectious diseases comprehensively MOST effectively reduce the economic burden of healthcare?

<p>By promoting early detection and prevention strategies, reducing the need for costly interventions. (D)</p> Signup and view all the answers

What is the MOST effective way to integrate prevention of infections in pregnancy as an integral element of NCDs control strategy?

<p>Implementing comprehensive prenatal care programs, including malaria prevention. (C)</p> Signup and view all the answers

What is the long-term significance of preventing childhood infections through routine immunization as an integral element of NCDs control strategy?

<p>It helps prevent certain infections that could indirectly contribute to the development of NCDs in adulthood. (D)</p> Signup and view all the answers

In cases where an individual has a genetic predisposition for a specific non-communicable disease (NCD), what is the most complex challenge in preventing or delaying its onset?

<p>Implementing targeted interventions to address modifiable risk factors while continuously monitoring for early signs of the particular NCD. (D)</p> Signup and view all the answers

Which of the following scenarios best illustrates the complex interplay between lifestyle choices, heredity, and environmental factors in the development of non-communicable diseases (NCDs)?

<p>An individual with a family history of cardiovascular disease maintains a diet high in saturated fats and lives in an area with high levels of air pollution. (A)</p> Signup and view all the answers

Consider a public health initiative aimed at reducing the burden of both communicable and non-communicable diseases in a low-resource setting. Which of the following integrated strategies would be most effective?

<p>Implementing comprehensive primary health care services that address both infectious disease prevention and management, alongside screening and management of NCD risk factors such as hypertension and diabetes. (A)</p> Signup and view all the answers

How would advancements in genetic screening and personalized medicine most likely impact strategies for preventing non-communicable diseases (NCDs) in the future?

<p>They would enable the identification of high-risk individuals, facilitating targeted preventative measures and earlier interventions tailored to their specific genetic profiles. (B)</p> Signup and view all the answers

In a scenario where a population is experiencing a rise in both HIV/AIDS and cardiovascular diseases, what synergistic approach would yield the most significant improvement in public health outcomes?

<p>Integrated health services that address both conditions simultaneously, including risk factor management and coordinated treatment plans. (C)</p> Signup and view all the answers

Considering the interplay between communicable diseases (CDs) and non-communicable diseases (NCDs), how might a resurgence of tuberculosis (TB) in a community impact the management and control of diabetes?

<p>It would complicate diabetes management due to shared risk factors and potential adverse effects of TB treatment on glycemic control. (D)</p> Signup and view all the answers

What critical refinement in public health strategies is essential to address the convergence of communicable diseases (CDs) and non-communicable diseases (NCDs) effectively?

<p>Developing integrated surveillance systems that monitor the interplay between CDs and NCDs, enabling targeted interventions for populations at greatest risk. (C)</p> Signup and view all the answers

How does the concept of the 'epidemiologic triad' apply differently to communicable diseases versus non-communicable diseases?

<p>For communicable diseases, the 'agent' is a microorganism, whereas for non-communicable diseases, it represents genetic predispositions and environmental exposures. (B)</p> Signup and view all the answers

Which of the following factors of self-management would most profoundly mediate the effects of sociodemographic factors on NCD risk?

<p>Selecting nutritious food choices, thus mitigating the impact of income disparities. (D)</p> Signup and view all the answers

How might integrating dental health care into the management of NCDs affect broader public health outcomes, considering its relationship to other risk factors?

<p>Dental health integration creates a synergistic effect with self-management of other NCD risk factors, such as diet and hygiene, resulting in improved overall health outcomes. (C)</p> Signup and view all the answers

Which example best illustrates the complex, bidirectional relationship between medical conditions and susceptibility to infections?

<p>A patient develops type 2 diabetes due to genetic predisposition, increasing their risk of contracting severe influenza because diabetes impairs immune function. (A)</p> Signup and view all the answers

What broader implication arises from the established links between specific infections and the pathogenesis of certain NCDs?

<p>Targeted vaccination can decrease the risk of diseases. (C)</p> Signup and view all the answers

In light of the information about sociodemographic factors influencing health, what policy intervention would most effectively address disparities in NCD outcomes at the population level?

<p>Establishing community health programs in impoverished areas could help combat NCDs. (C)</p> Signup and view all the answers

Considering the array of modifiable risk factors for NCDs, which multi-faceted intervention would likely yield the most substantial and sustained impact on a community's overall health?

<p>Implementing integrated programs targeting behavioral and environmental risks, complemented by policies reducing socioeconomic disparities. (A)</p> Signup and view all the answers

How does infection with Hepatitis B or C viruses primarily contribute to the development of chronic liver diseases and hepatocellular carcinoma?

<p>Through chronic inflammation and cellular damage over an extended period, increasing the risk of cirrhosis and subsequent cancer. (C)</p> Signup and view all the answers

Given the significant role of self-management in mitigating NCD risk, what strategy would most comprehensively empower individuals to take control of their health outcomes?

<p>Implementing personalized coaching, education on informed decision-making, and access to resources promoting healthy lifestyles, customized to individual needs and circumstances. (D)</p> Signup and view all the answers

Which intervention strategy would most effectively address the intertwined effects of environmental and self-management factors on NCD prevalence within a community?

<p>Establishing community-based programs integrating environmental improvements with personalized health coaching to foster healthy behaviors. (A)</p> Signup and view all the answers

What is the most significant consequence of the interaction between type 2 diabetes mellitus and Tuberculosis (TB)?

<p>A threefold increase in the risk of developing active TB infection compared to individuals without diabetes. (A)</p> Signup and view all the answers

What is the primary mechanism by which the Epstein-Barr Virus (EBV) contributes to the development of endemic Burkitt's lymphoma (BL), especially in regions where malaria is prevalent?

<p>EBV establishes chronic infection in B-cells, and coinfection with malaria impairs immune control, leading to B-cell proliferation and lymphoma. (D)</p> Signup and view all the answers

Which factor most significantly mediates the increased risk of severe illness from COVID-19 in individuals with pre-existing Non-Communicable Diseases (NCDs)?

<p>NCDs impair immune responses, creating a state of chronic inflammation that exacerbates the body’s reaction to the virus. (A)</p> Signup and view all the answers

Within the context of infection-NCD pairs, what distinguishes Streptococcus infection in its contribution to Rheumatic Heart Disease from other infection-NCD relationships?

<p><em>Streptococcus</em> triggers an autoimmune response where antibodies attack heart tissues, leading to chronic inflammation and valve damage. (A)</p> Signup and view all the answers

How does antiretroviral treatment (ART) for HIV, paradoxically, increase the risk of cardiovascular events in patients?

<p>ART induces metabolic changes such as type 2 diabetes mellitus and lipid disorders, which elevate the risk of cardiovascular disease. (D)</p> Signup and view all the answers

What is the role of Helicobacter pylori (H. pylori) infection in the development of gastric cancer?

<p><em>H. pylori</em> promotes chronic inflammation of the stomach lining, leading to cellular changes that increase the risk of gastric cancer. (B)</p> Signup and view all the answers

How does Human Papillomavirus (HPV) infection lead to cervical cancer at the cellular level?

<p>HPV integrates its DNA into the host cell's genome, disrupting normal cell cycle regulation and promoting uncontrolled cell growth. (C)</p> Signup and view all the answers

Which strategy would be most effective for a national government aiming to reduce the burden of NCDs, considering constraints on healthcare budgets and infrastructure?

<p>Prioritizing primary healthcare interventions focusing on early detection and management of major NCDs. (C)</p> Signup and view all the answers

In a country with a decentralized healthcare system, what is the most effective approach for ensuring continuous quality improvement in primary health care for NCD management?

<p>Implementing standardized protocols and decentralized audit and feedback mechanisms tailored to local contexts. (C)</p> Signup and view all the answers

What innovative approach could a society-level intervention employ to promote healthier food choices effectively, beyond merely offering healthy options in workplaces and schools?

<p>Implementing a tiered tax system that heavily subsidizes fresh produce while imposing significant taxes on processed foods high in sugar and unhealthy fats. (D)</p> Signup and view all the answers

Considering the Package of Essential Noncommunicable (PEN) disease interventions, which addition would most holistically enhance its effectiveness in managing NCDs at the primary care level?

<p>Integration of mental health screening and services for conditions like depression and anxiety. (B)</p> Signup and view all the answers

What is the most strategic role for research institutions in preventing and controlling NCDs, considering the need for both global applicability and local relevance?

<p>Supporting local research initiatives that adapt global best practices to specific cultural and socioeconomic contexts. (C)</p> Signup and view all the answers

How could non-governmental organizations (NGOs) most effectively contribute to the prevention and control of NCDs, given the limitations of public healthcare systems in many low-resource settings?

<p>Implementing community-based programs that promote healthy lifestyles, provide basic screening, and navigate patients to available resources. (C)</p> Signup and view all the answers

What is an essential consideration for adapting the WHO PEN package for implementation in a rural, low-income setting with limited access to diagnostic technology?

<p>Prioritizing cost-effective screening methods and task-shifting to community health workers for basic assessments. (B)</p> Signup and view all the answers

In designing national policies to combat NCDs, which approach would be MOST effective in aligning efforts across different governmental sectors (e.g., health, education, transportation, and agriculture)?

<p>Creating a multi-sectoral task force with shared accountability and collaborative goals for NCD prevention. (D)</p> Signup and view all the answers

Flashcards

Communicable Diseases

Diseases caused by microorganisms, transmitted directly or indirectly between individuals.

Non-Communicable Diseases

Chronic, non-infectious diseases resulting from lifestyle, heredity, or environmental factors.

Infectious Diseases (CDs)

Infectious diseases transmitted between individuals.

Chronic Non-infectious Diseases (NCDs)

Chronic diseases that aren't caused by infections.

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Influenza (Flu)

Respiratory illness caused by a virus.

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Poliomyelitis (Polio)

Viral infection affecting the nervous system, potentially causing paralysis.

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Cardiovascular diseases (CVDs)

A group of diseases that affect the heart and blood vessels.

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Diabetes

A chronic metabolic disorder characterized by elevated blood sugar levels.

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Noncommunicable Diseases (NCDs)

Diseases that develop over time and last longer, often being fatal.

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NCD Risk Factors

Factors that increase the likelihood of developing a noncommunicable disease.

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Epigenetic Changes

Changes in gene expression that do not involve alterations to the underlying DNA sequence.

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Inherited Diseases

Diseases that can be passed down from one generation to another.

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Transmitting Agents

Diseases that transmit through viruses, bacteria, and other agents rather than genetics.

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Environmental Mutation Factors

Mutations can arise from toxic materials, air pollution, weather changes and UV radiation.

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Sociodemographic Factors

Factors such as age, ethnicity, gender, race, education and income.

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Factors of Self-Management

Factors such as tobacco use, alcohol use, food choice, physical activity and dental health care.

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Factors of Medical Conditions

Factors such as medication, viruses, blood pressure, lipids, obesity, stress and glucose.

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NCDs and Infection Risk

Many Non-Communicable Diseases (NCDs) are associated with infectious risk factors.

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NCDs effect on Immunity

NCDs increase the risk of being infected by reducing immunity.

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Chronic Diseases Term

The conventional term 'chronic diseases'.

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Weight Self-Management

Factors of self-management include a person's weight.

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Infections & Chronic Diseases

Some infections can contribute to chronic diseases.

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COVID-19 & NCDs

A pandemic where those with pre-existing non-communicable diseases (NCDs) face a higher risk of severe illness.

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Gastric Cancer & Infection

H. pylori is a bacterial infection and a risk factor that has been linked to gastric cancer.

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Liver Disease & Hepatitis

Hepatitis B and C viruses can lead to cirrhosis and other chronic liver conditions.

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Liver Cancer & Hepatitis B

Hepatitis B Virus leads to Liver Cancer.

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Global NCD Prevention

Development of national policies and plans, support for research, monitoring NCDs, and fostering national and international partnerships.

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Rheumatic Heart & Strep

Streptococcal infections, if untreated, can cause damage to the heart valves.

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Country-Level NCD Control

Improving budget allocations and actively engaging non-governmental organizations, research institutions, and the private sector.

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Cervical Cancer & HPV

HPV is the main cause. Preventable through vaccination and screening.

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Society-Level NCD Prevention

Offering healthy food and physical activity opportunities; providing resources from health-related non-governmental organizations.

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Individual NCD Prevention

Adopting and maintaining a healthy lifestyle.

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Burkitt's Lymphoma & EBV

EBV with malaria increases risk. Common in specific regions.

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WHO PEN

A set of interventions to address major NCDs in primary care.

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PEN Interventions: Main Focus

Detection, diagnosis, treatment, and care of cardiovascular diseases, diabetes, and chronic respiratory diseases.

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PEN: Cancer

Early cancer diagnosis.

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PEN Components

Components of healthy lifestyle, self-care, and palliative care.

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CD & NCD Multimorbidity

The co-occurrence of both communicable and non-communicable diseases in an individual.

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Most Frequent CD & NCD Dyad

HIV and Hypertension frequently occur together.

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Most Frequent CD & NCD Triad

HIV, Hypertension, and Diabetes frequently occur together.

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Factors of CD & NCD Multimorbidity

Older age, female sex, low physical activity, lack of formal education, obesity, and alcohol consumption.

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Prenatal Infections & NCDs

Prenatal infections can disrupt the development of the fetus and cause malnutrition, potentially leading to NCD later in life.

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Infections Causing Fetal Malnutrition

Malaria, Toxoplasmosis, Rubella, Cytomegalovirus, and Herpes virus.

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Redesign NCD Control Strategies

Incorporate infection control strategies into NCD control programs.

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NCD Control Elements

Prevent infections in pregnancy (malaria) and childhood (immunization).

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Communicable Diseases (CDs)

Infectious diseases caused by microorganisms that can spread between individuals.

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Epidemiologic Triad

A model used to explain the factors involved in the spread of communicable diseases.

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Examples of CDs

Examples include Tuberculosis, Malaria, HIV/AIDS, Hepatitis, Measles, COVID-19, Common cold, Influenza, Poliomyelitis and Chickenpox.

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Main NCDs

Examples include cardiovascular diseases, cancer, chronic respiratory diseases, and diabetes.

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Cardiovascular Diseases

Heart and blood vessel conditions (e.g., heart attack, stroke).

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Cancer

Disease characterized by uncontrolled growth and spread of abnormal cells.

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Chronic Respiratory Diseases

Conditions affecting the lungs and airways (e.g., asthma, COPD).

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Neurodegenerative Disease

A disease that progressively damages or kills nerve cells.

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Acute Diseases (CDs)

Immediate onset diseases that resolves sooner.

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Chronic Diseases (NCDs)

Diseases that develop over a period of time, lasts longer, and often are fatal.

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Causes of neurodegenerative disease

Diseases caused by allergies, lifestyle, malnutrition, internal factors or abnormal cell growth.

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Risk factors of NCDs

A family's history of disease; inheritance of genes; epigenetic changes; or exposure to different environments.

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Environmental Factors

Factors in the environment that can contribute to disease development.

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"Chronic diseases"

Switch to the 'chronic diseases' term.

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Chronic Infectious Diseases

Some infectious diseases, like tuberculosis and AIDS, persist for a long time.

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NCDs and COVID-19 Risk

Individuals with non-communicable diseases (NCDs) are at a higher risk of severe illness from infections like COVID-19.

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Gastric Cancer & H. pylori

Gastric cancer is associated with Helicobacter pylori infection.

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Hepatitis & Liver Disease

Hepatitis B and C viruses are major causes of cirrhosis and liver cancer.

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NCDs ↔ CDs

Infections may elevate the risk for communicable diseases, and vice versa.

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Diabetes & Infection Risk

Type 2 diabetes increases the risk and complications of HIV, TB, and malaria.

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HIV Treatment Side Effects

HIV treatments can increase the risk of type 2 diabetes, lipid disorders, and cardiovascular events.

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Common CD & NCD Dyad

HIV and Hypertension frequently co-occur in individuals.

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Common CD & NCD Triad

HIV, Hypertension and Diabetes often occur together.

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Risk Factors for CD & NCD Multimorbidity

Older age, female sex, low physical activity, lack of education, obesity, and alcohol consumption.

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Prenatal Infections & NCD Risk

Infections during pregnancy that can lead to fetal malnutrition and later NCD development.

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Infections & Fetal Malnutrition

Malaria, Toxoplasmosis, Rubella, Cytomegalovirus, and Herpes virus.

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Infections & NCD Development

Directly or indirectly increase risk factors in development of NCDs like Type 2 DM, Hypertension, IHD.

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Vital Elements of NCD control

Prevention of infection during pregnancy(malaria) and childhood (immunization).

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Global NCD Prevention Role

Globally, they design policies, support research, monitor NCDs, and foster partnerships.

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Country-Level NCD Action

Involve NGOs, research, and the private sector, improve primary care systems.

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Society-Level NCD Support

Offer healthy food, physical activity, and health resources to workers.

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WHO PEN Meaning

Package of Essential Noncommunicable disease interventions for primary health care

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WHO PEN function

It defines a minimum set of interventions that address major NCDs.

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PEN interventions cover

Detection, diagnosis, treatment, care of CVDs, diabetes and chronic respiratory diseases.

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PEN components include

Healthy lifestyle, self-care, and palliative care.

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Study Notes

Communicable Diseases (CDs)

  • CDs are infectious and caused by microorganisms.
  • Transmission occurs from person to person through direct or indirect contact.
  • Examples of communicable diseases include Tuberculosis, Malaria, HIV/AIDS, Hepatitis, Measles, COVID-19, Common cold, Influenza (Flu),Poliomyelitis (Polio), and Chickenpox.
  • Highly infectious pathogens and carriers spread CDs.
  • Viruses and bacteria are transmitting agents.
  • CDs cannot be inherited.

Non-Communicable Diseases (NCDs)

  • NCDs are chronic and non-infectious, not caused by infectious agents.
  • Lifestyle choices, heredity, and environmental factors contribute to NCD development.
  • The four main types include cardiovascular diseases, chronic respiratory diseases, cancer and diabetes.
  • Other types of NCDs include hypertension, dyslipidemia, obesity, metabolic syndrome, rheumatoid arthritis (RA), cerebrovascular disease * osteopenia/osteoporosis, degenerative disc disease, sarcopenia and frailty, depression, cognitive impairment, and neurodegenerative disease.
  • Allergies, malnutrition, internal factors, changes in lifestyle/surroundings, and abnormal cell growth may cause NCDs.
  • NCDs can be inherited.

Key Differences

  • CDs develop rapidly, whereas NCDs develop over time.
  • Traditional methods may treat CDs, while NCDs often require specialized treatments.
  • Risk factors for NCDs include: family history, genetic inheritance, epigenetic changes, environmental exposures, toxic materials, air pollution, weather changes, sunlight, age, gender, race, tobacco/alcohol use, physical inactivity, medications, blood pressure, lipids, glucose, ethnicity, education, income, weight, food choice, dental health, viruses, obesity, and stress.

Interaction Between CDs & NCDs

  • Many NCDs have associations with infectious risk.
  • NCDs increase susceptibility to infection by reducing immunity.
  • Infections contribute to chronic diseases like gastric ulcers and heart diseases.
  • Many infectious diseases, such as TB and AIDS, can be chronic.
  • People with NCDs are at higher risk of severe illness from COVID-19.
  • Those with the four most common NCDs and NCD risk factors are more likely to become severely ill from COVID-19.

Infection–NCD Pairs

  • H. pylori causes gastric cancer.
  • Hepatitis B & C viruses cause Cirrhosis and other chronic liver diseases.
  • Hepatitis B Virus is responsible for Liver cancer.
  • Streptococcal Infection causes Rheumatic Heart Disease.
  • HPV causes Cervical Cancer.
  • Epstein-Barr Virus (EBV) and Malaria can lead to Endemic Burkitt's lymphoma (BL).
  • A higher risk of NCDs may lead to elevated risk for common CDs and vice versa.

NCDs & CDs

  • Type 2 diabetes can interact with and complicate CDs like HIV, TB, and malaria.
  • Patients with type 2 diabetes have three times the risk for an active TB infection.
  • HIV patients on antiretroviral therapy can have type 2 diabetes and cardiovascular events.

Patterns of CD & NCD Multimorbidity

  • A 2022 study revealed different combinations of concurrent communicable and non-communicable diseases.
  • Frequently occurring dyads include HIV & Hypertension, and Acid Peptic Disease & Hypertension.
  • Frequently occurring triads include HIV, Hypertension, & Diabetes, and HIV, TB, & Diabetes.
  • Factors associated with CD & NCD multimorbidity include older age (>50 years), being female, low physical activity, lack of education, obesity, and alcohol use.

Prenatal Infections & Non-Communicable Disease

  • NCDs can result from insults before and after birth.
  • Infections like malaria, toxoplasmosis, rubella, cytomegalovirus, and herpes virus can cause fetal malnutrition.
  • Infections, in genetically predisposed individuals, can lead to NCDs like type 2 diabetes, hypertension, and IHD.

Prevention and Control

  • Identify emerging NCD risk factors and address known risk factors.
  • Re-design NCD control strategies to include infection control.
  • Integrate health systems to address NCDs and infectious diseases for better healthcare.
  • Infections contribute to NCD development from fetal life into adulthood.

As Elements of NCDs Control Strategy

  • Prevent infection during pregnancy (especially malaria).
  • Prevent childhood infections through routine immunization.

Prevention & Control of NCDs

  • Create national policies and support NCD research.
  • Monitor NCDs and support partnerships for NCD prevention.
  • Allocate budgets and engage NGOs, research institutions, and the private sector.
  • Develop partnerships for action plans and improve primary health care for NCDs.
  • Promote healthy food and physical activity in the workplace.
  • Offer resources from non-governmental organizations for NCD prevention and care.
  • Follow a healthy lifestyle.

Package of Essential Noncommunicable (PEN)

  • WHO PEN defines interventions that address major NCDs in primary care.
  • The interventions include detection, diagnosis, treatment, and care for cardiovascular diseases, diabetes, and chronic respiratory diseases.
  • It also includes early cancer diagnosis.
  • Healthy lifestyle choices, self-care, and palliative care are featured.

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