Sanitary Era: Disease Prevention and Miasmic Epidemiology
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Questions and Answers

What does the term 'epidemiology' mean?

  • Study of people and their skin
  • Study of population health and disease patterns (correct)
  • Study of social interactions in a community
  • Study of infectious diseases only

According to the objectives, what is one of the core functions of epidemiology?

  • Financial forecasting
  • Marketing analysis
  • Policy development (correct)
  • Product design

What is the historical era of epidemiology that primarily focused on studying long-term health conditions?

  • Chronic era (correct)
  • Infectious era
  • Sanitary era
  • Industrial era

In epidemiology, what does 'demographics' refer to?

<p>Study of population characteristics (B)</p> Signup and view all the answers

What is one of the goals of epidemiology?

<p>Improving population health (A)</p> Signup and view all the answers

What is a key activity in epidemiology that involves monitoring disease occurrence in a population?

<p>Field investigations (C)</p> Signup and view all the answers

During which era was the theory of 'germs' first advocated?

<p>Infectious Era (D)</p> Signup and view all the answers

What was the primary belief in disease transmission during the Miasmic Epidemiology Era?

<p>Via contaminated water supply (B)</p> Signup and view all the answers

What key sanitary measures were advocated during the Sanitary Era?

<p>Limitation of waste and contaminated water supply (B)</p> Signup and view all the answers

What was a significant realization during the Infectious Era?

<p>Many diseases were caused through infection (C)</p> Signup and view all the answers

Which era saw the birth of public health nursing?

<p>Infectious Era (C)</p> Signup and view all the answers

How did the focus of medicine and nursing shift during the Infectious Era?

<p>To put strict emphasis on single causative agents (D)</p> Signup and view all the answers

What is the primary goal of determining causes and sources of diseases?

<p>To prevent, control, and eliminate causes of disease (B)</p> Signup and view all the answers

What is the role of epidemiologists in studying a disease outbreak?

<p>Dependent on clinical physicians and lab scientists for proper diagnosis (A)</p> Signup and view all the answers

How does epidemiological information contribute to personal decisions?

<p>By influencing daily choices based on available health services (D)</p> Signup and view all the answers

What is the significance of understanding the clinical picture and natural history of a disease?

<p>To guide prevention and control strategies (B)</p> Signup and view all the answers

According to the miasmic theory, how was disease believed to be transmitted?

<p>Through the air, soil, and other elements (A)</p> Signup and view all the answers

In epidemiology, what does prevalence refer to?

<p>The proportion of individuals with a particular disease at a specific point in time (D)</p> Signup and view all the answers

What was the focus of epidemiology originally when it started?

<p>Communicable diseases (C)</p> Signup and view all the answers

Who is known for identifying the importance of hand hygiene in healthcare settings?

<p>Ignaz Semmelweis (D)</p> Signup and view all the answers

Which era of epidemiology expanded the focus beyond communicable diseases to include other health issues?

<p>Chronic era (C)</p> Signup and view all the answers

Who is credited with developing the Germ theory of disease?

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

What did Professor H Booth suggest could cause obesity in individuals according to the text?

<p>Inhaling food odors (D)</p> Signup and view all the answers

What is the purpose of surveillance in epidemiology?

<p>To guide public health decision-making (A)</p> Signup and view all the answers

Which of the following is a core function of epidemiology related to surveillance?

<p>Analytic studies (A)</p> Signup and view all the answers

What is the main objective of field investigations in public health?

<p>To characterize the extent of an outbreak and identify its cause (B)</p> Signup and view all the answers

Who usually submits morbidity and mortality reports for surveillance data?

<p>Healthcare providers, infection control practitioners, laboratories (D)</p> Signup and view all the answers

Which of the following is NOT a step in a surveillance system?

<p>Conducting field investigations (B)</p> Signup and view all the answers

What type of data does surveillance aim to depict?

<p>Past patterns of disease occurrence (A)</p> Signup and view all the answers

What aspect of a population does descriptive epidemiology primarily examine?

<p>Age, gender, ethnicity (D)</p> Signup and view all the answers

Which factor is NOT typically considered in the analysis of descriptive epidemiology?

<p>Genetic predisposition (D)</p> Signup and view all the answers

In analytic epidemiology, what is the main focus of investigation?

<p>Relationship between exposure and disease (B)</p> Signup and view all the answers

What is a critical difference between descriptive and analytic epidemiology?

<p>Descriptive epidemiology considers the 'who, where, when', while analytic epidemiology looks at the 'how'. (A)</p> Signup and view all the answers

Which of the following is NOT a factor commonly studied in descriptive epidemiology?

<p>Physiological cycles (A)</p> Signup and view all the answers

What concept was developed during the chronic disease era to explain the interconnection of factors promoting and protecting against disease?

<p>Web of causation (C)</p> Signup and view all the answers

During which historical era of epidemiology did the focus shift to studying chronic diseases due to the decline in infectious diseases post-World War II?

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

Which of the following is NOT one of the purposes of epidemiology as mentioned in the text?

<p>Develop treatment plans for diagnosed diseases (B)</p> Signup and view all the answers

What were the two main types of epidemiology mentioned in the text?

<p>Descriptive and Analytic (A)</p> Signup and view all the answers

What key purpose does epidemiology serve according to the text?

<p>Understanding the natural history of diseases (C)</p> Signup and view all the answers

What was a significant shift in focus during the chronic disease era compared to previous eras of epidemiology?

<p>Introduction of a web of causation theory (A)</p> Signup and view all the answers

What is the hallmark of analytic studies?

<p>Incorporating a valid comparison group (B)</p> Signup and view all the answers

Which term best describes the ability of a program to produce intended results with minimum expenditure of time and resources?

<p>Efficiency (C)</p> Signup and view all the answers

What is the primary purpose of evaluating a program's impact?

<p>Measuring the intended or expected outcomes (B)</p> Signup and view all the answers

In field epidemiology, why do epidemiologists rarely work in isolation?

<p>To facilitate multidisciplinary collaboration (D)</p> Signup and view all the answers

What is the key focus of formative evaluation in program evaluation?

<p>Evaluating plans and strategies (B)</p> Signup and view all the answers

Why are analytic studies sometimes necessary in epidemiology?

<p>To evaluate hypotheses' validity (A)</p> Signup and view all the answers

Which term refers to the entry and development or multiplication of an infectious agent in a host?

<p>Pathogen (C)</p> Signup and view all the answers

What does pathogenic refer to in the context of epidemiology?

<p>Organism capable of producing disease (B)</p> Signup and view all the answers

Which term describes the pattern of response by a living organism to invasion by a foreign substance or injury?

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

What does the term 'determinant' refer to in epidemiology?

<p>Causes and risk factors that influence health event occurrence (D)</p> Signup and view all the answers

Which term specifically relates to the population under study rather than the disease itself?

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

In epidemiology, what does 'frequency' specifically refer to?

<p>Number of health events in a population (A)</p> Signup and view all the answers

What term refers to the time interval between entry of a disease agent into the body and the initial manifestation of the disease?

<p>Incubation period (C)</p> Signup and view all the answers

Which term describes the proportion of exposed persons who become infected?

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

What term refers to a disease or infection naturally transmitted between vertebrate animals and human beings?

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

Which term describes cases of a disease occurring irregularly and infrequently?

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

What term refers to an epidemic that spreads across many countries or the entire world?

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

Who is a person who harbours a disease agent, is asymptomatic, but can transmit the disease to others?

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

What was the focus of the Sanitary era in epidemiology?

<p>Advocating for clean water and waste sanitation (A)</p> Signup and view all the answers

During which era of epidemiology was the 'miasmic' theory prevalent?

<p>Sanitary era (C)</p> Signup and view all the answers

What was a common belief during the Infectious Era in epidemiology?

<p>Disease transmission was due to 'germs' (C)</p> Signup and view all the answers

Which theory did the 'miasmic' paradigm promote regarding disease transmission?

<p>Airborne transmission (D)</p> Signup and view all the answers

What led to the shift in focus to studying chronic diseases during the Infectious Era of epidemiology?

<p>Decrease in infectious diseases post-World War II (D)</p> Signup and view all the answers

What did the early to middle 19th Century focus on in terms of epidemiological beliefs?

<p>'Miasmic' theory suggesting transmission through air and elements (C)</p> Signup and view all the answers

What does epidemiology primarily focus on studying?

<p>Exposure and spread prevention in communities (B)</p> Signup and view all the answers

According to Last (1988), what is considered the basic science of public health?

<p>Epidemiology (C)</p> Signup and view all the answers

During which era did epidemiology shift its focus from primarily communicable diseases to non-communicable diseases?

<p>Chronic Disease Era (A)</p> Signup and view all the answers

What distinguishes clinicians' focus from that of epidemiologists in public health?

<p>Prevention of disease spread (D)</p> Signup and view all the answers

What is the main goal of descriptive epidemiology?

<p>Examining frequency and patterns of health events (C)</p> Signup and view all the answers

Which term specifically relates to the comparison of different groups in epidemiology?

<p>Analytic epidemiology (A)</p> Signup and view all the answers

In epidemiology, what is the primary purpose of ongoing surveillance?

<p>To monitor disease occurrence patterns (A)</p> Signup and view all the answers

What is the main objective of a public health department when conducting field investigations in epidemiology?

<p>To characterize the extent of an outbreak and identify its cause (A)</p> Signup and view all the answers

What type of data is usually submitted by healthcare providers, infection control practitioners, and laboratories for surveillance purposes?

<p>Disease registers (D)</p> Signup and view all the answers

What is the primary function of surveillance data in epidemiology?

<p>To provide information for action (D)</p> Signup and view all the answers

Why does public health department often require a coordinated effort of several persons during field investigations?

<p>To characterize the extent of an outbreak and its cause (A)</p> Signup and view all the answers

What is the key purpose of ongoing surveillance in epidemiology according to the text?

<p>To monitor patterns of disease occurrence (B)</p> Signup and view all the answers

What term is used to describe the extent to which persons within a population who do not have a disease develop the disease during a specific time period?

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

Which term refers to the number of persons within a population with a specific disease at a given point in time?

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

What does the term 'Reservoir' refer to in epidemiology?

<p>Habitat where an infectious agent lives and multiplies (D)</p> Signup and view all the answers

What is meant by the term 'Vector' in epidemiology?

<p>Arthropod transferring infectious agents between individuals (B)</p> Signup and view all the answers

What is the study of births, deaths, and migration, and how they influence population changes called?

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

What did the chronic disease era introduce to explain the interconnection of factors promoting and protecting against disease?

<p>Theory of web of causation (B)</p> Signup and view all the answers

Which historical event led to the decline in infectious diseases post-World War II, prompting a shift towards studying chronic diseases?

<p>World War II (A)</p> Signup and view all the answers

What was the primary focus of epidemiologists during the Infectious Era?

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

What is one of the main purposes of epidemiology?

<p>Determining causes of diseases (B)</p> Signup and view all the answers

What theory suggested a complex interconnection of various proximate and remote factors that promote and protect against disease?

<p>Theory of web of causation (B)</p> Signup and view all the answers

What led to a significant emphasis shift towards studying chronic diseases during the chronic disease era?

<p>Decline in infectious diseases (A)</p> Signup and view all the answers

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