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Antimicrobial Resistance: Epidemiology and Mechanisms

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42 Questions

What is the primary goal of this session?

To define antimicrobial resistance and its epidemiology

What percentage of bacteria found in or on the human body are pathogenic?

About 500 species

What type of pathogens take advantage of an unusually vulnerable host?

Opportunistic pathogens

What is a characteristic of opportunistic pathogens?

They adapt quickly to changed conditions

What do commensal bacteria do in the human body?

Live on the body without having any detrimental effect

How many species of bacteria are estimated to be pathogenic?

500

What is the primary consequence of antimicrobial resistance?

Increased mortality rate due to untreatable infections

Which mechanism of antimicrobial resistance involves the production of enzymes to inactivate antimicrobial drugs?

Enzymatic Degradation

What is the primary function of efflux pumps in antimicrobial resistance?

To pump antimicrobial drugs out of the microbial cell

Which type of microorganism is targeted by antifungal drugs?

Fungi

What is the result of horizontal gene transfer in antimicrobial resistance?

Rapid spread of resistance traits within microbial populations

What is the primary mechanism of action of antiviral drugs?

Inhibition of viral replication or entry into host cells

Which type of antimicrobial drug targets various stages of the parasite's life cycle?

Antiparasitics

What is the result of altered target sites in antimicrobial resistance?

Decreased binding efficacy of antimicrobial drugs

What is the primary concern associated with antimicrobial resistance?

Dissemination of antibiotic resistance genes

What is the primary effect of antimicrobial resistance on medical procedures?

Increased mortality rate due to untreatable infections

What is the primary function of biofilms in relation to antimicrobial drugs?

To create a protective environment for microorganisms

How do microorganisms modify antimicrobial drugs?

Through chemical modification by enzymes

What is the result of overuse and misuse of antibiotics in agriculture?

Development of antimicrobial resistance

What is a consequence of inadequate surveillance and monitoring of antimicrobial use and resistance patterns?

Delayed identification of resistance trends

What is the consequence of the lack of new antibiotic development?

Fewer treatment options for infections

What is the result of global travel and trade on antimicrobial resistance?

Rapid spread of resistant microorganisms and resistance genes across borders

What is the effect of poor infection prevention and control in healthcare settings?

Increased risk of infections that are challenging to treat

What is a consequence of limited access to clean water and sanitation facilities?

Increased use of antimicrobials

What is the result of the misuse and overuse of antimicrobials?

Increased selective pressure for the survival of resistant strains

What is the global impact of antimicrobial resistance?

Affects people at any stage of life, as well as the healthcare, veterinary, and agriculture industries

What is the consequence of even one antibiotic resistance?

Serious side effects, prolonged care, and potentially life-threatening conditions

What is the trend of antibiotic use in England from 2014 to 2020?

A significant decline

What is the percentage increase in antibiotic use in 2022 compared to 2021?

8.4%

What is the estimated number of people in England who had an antibiotic-resistant infection in 2022?

58,224

What is the main reason for the increase in antibiotic-resistant infections?

Inappropriate and excessive antibiotic use

What is the estimated number of deaths in 2019 due to antibiotic-resistant bacterial infections?

1.2 million

What is the name of the strategy to minimize antibiotic resistance?

Prudent Antibiotic Use

What is the goal of Antibiotic Stewardship Programs?

To optimize antibiotic use and monitor resistance

What is the purpose of Regulatory Measures in combating AMR?

To implement regulations on the use of antibiotics in agriculture

What is the consequence of losing the ability to treat infections due to antibiotic resistance?

All of the above

What is the core principle of the 'One Health' approach in combating AMR?

Recognizing the interconnectedness of human, animal, and environmental health

What is the primary goal of providing education to healthcare professionals about AMR?

To encourage evidence-based prescribing and foster a culture of antimicrobial stewardship

What is the main benefit of improving access to rapid and accurate diagnostic tools?

Enabling targeted antibiotic treatments and reducing unnecessary prescriptions

What is the key objective of antimicrobial stewardship in hospitals?

To reduce the risk of resistance by reducing antimicrobial usage

What is the definition of antimicrobial stewardship?

An organisational or healthcare-system-wide approach to promoting and monitoring judicious use of antimicrobials

What is the 'easy win' in reducing antimicrobial usage?

Reducing inappropriate usage of antibiotics

Understand the epidemiology of antimicrobial resistance globally and in the UK, and learn about the mechanisms of resistance. This quiz covers the basics of AMR, including its definition, timeline, and impact on public health.

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