Nursing
1. Introduction to Epidemiology & Key Terms
Q1. What is the primary focus of epidemiology?
a) Individual patient care
b) Population health and disease distribution
c) Cellular mechanisms of disease
d) Laboratory diagnostics
Answer: b) Population health and disease distribution
Q2. Which term refers to the occurrence of a disease clearly in excess of normal expectancy?
a) Endemic
b) Epidemic
c) Pandemic
d) Sporadic
Answer: b) Epidemic
Q3. A pandemic is defined as:
a) Disease confined to one country
b) Worldwide spread of a new disease
c) A seasonal disease outbreak
d) Rare occurrence of disease
Answer: b) Worldwide spread of a new disease
Q4. The "person, place, and time" approach refers to:
a) Analytical epidemiology
b) Descriptive epidemiology
c) Experimental epidemiology
d) Case-control studies
Answer: b) Descriptive epidemiology
Q5. The science that studies determinants and distribution of health events in populations is:
a) Pathophysiology
b) Epidemiology
c) Sociology
, d) Biostatistics
Answer: b) Epidemiology
2. Study Designs in Epidemiology
Q6. Which study design is considered the “gold standard” for determining causality?
a) Case report
b) Cross-sectional study
c) Randomized controlled trial
d) Ecological study
Answer: c) Randomized controlled trial
Q7. A study that follows a group of people over time to see who develops disease is:
a) Case-control study
b) Cohort study
c) Cross-sectional study
d) Experimental study
Answer: b) Cohort study
Q8. Which design compares people with disease to those without disease, looking back for
exposures?
a) Cross-sectional
b) Case-control
c) Prospective cohort
d) Randomized trial
Answer: b) Case-control
Q9. Which study measures prevalence of disease and exposure at the same time?
a) Cohort study
b) Case-control study
c) Cross-sectional study
d) Experimental study
Answer: c) Cross-sectional study
Q10. Which study design is prone to recall bias?
a) Case-control
b) Cohort
c) RCT
d) Cross-sectional
Answer: a) Case-control