MCQs

11212 questions found

Practice Questions

183. A new medicinal drug is being tested for a very rare disease, where it’s unethical to withhold treatment from a placebo group. What technical alternative study design might be considered?

A. Cross-sectional study.
B. Case-control study.
C. Historical cohort study.
D. Single-arm trial or compassionate use program.
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

181. A regional hospital experiences a cluster of healthcare-associated bloodstream infections. What is the urgent epidemiological action?

A. Immediately close the intensive care unit.
B. Implement enhanced surveillance, review infection control practices, and investigate potential common sources like contaminated equipment or staff.
C. Only treat the infected patients with antibiotics.
D. Assume it is random chance.
nmdcat.online BS Nursing
Jun 6, 2026

178. A new medicinal drug is found to be effective, but regulatory agencies require a Risk Management Plan (RMP) due to potential rare but serious side effects. What critical epidemiological aspect is this addressing?

A. Drug pricing.
B. Balancing drug benefits with potential harms through systematic risk identification and mitigation.
C. Marketing strategies.
D. Drug patenting.
nmdcat.online BS Nursing
Jun 6, 2026

177. What technical term describes a measure of association that quantifies the difference in disease risk between an exposed group and an unexposed group?

A. Relative Risk (RR).
B. Odds Ratio (OR).
C. Attributable Risk (AR).
D. Prevalence Ratio (PR).
nmdcat.online BS Nursing
Jun 6, 2026

176. A widespread outbreak of a highly contagious disease occurs, and public health officials determine that insufficient vaccination coverage is a major contributing factor. What is the urgent public health intervention?

A. Implement school closures indefinitely.
B. Launch a mass vaccination campaign and intensify communication efforts to address vaccine hesitancy.
C. Wait for the disease to naturally decline.
D. Isolate only symptomatic individuals.
nmdcat.online BS Nursing
Jun 6, 2026

174. A case-control study finds that cases of a disease are significantly more likely to have a particular genetic marker than controls. What critical interpretation should be made?

A. The genetic marker directly causes the disease.
B. The genetic marker is associated with the disease, but confounding or other factors could be at play.
C. The study proves nothing.
D. Genetic markers are irrelevant.
nmdcat.online BS Nursing
Jun 6, 2026

172. What technical term describes the time from exposure to an infectious agent to the time an infected individual becomes infectious?

A. Incubation period.
B. Latent period.
C. Communicable period.
D. Generation time.
nmdcat.online BS Nursing
Jun 6, 2026

171. A public health official is informed of a new, highly virulent strain of avian flu emerging in a poultry farm. What is the urgent epidemiological response?

A. Wait to see if it jumps to humans.
B. Implement immediate culling of infected poultry, establish a cordon sanitaire, and enhance surveillance for human cases.
C. Only vaccinate the poultry workers.
D. Blame the farm owners for poor hygiene.
nmdcat.online BS Nursing
Jun 6, 2026

169. A study identifies a high prevalence of a disease in a specific occupational group. What critical epidemiological investigation should be initiated?

A. A general population health survey.
B. An occupational epidemiology study to identify workplace hazards.
C. A study of genetic predispositions.
D. An investigation into individual lifestyle choices.
nmdcat.online BS Nursing
Jun 6, 2026

168. A new medicinal drug is being tested for a chronic, non-fatal condition. What critical ethical concern must be carefully considered in a long-term clinical trial?

A. Blinding of participants.
B. The potential for prolonged exposure to a placebo for those who are not receiving active treatment.
C. The cost of the drug.
D. The number of participants.
nmdcat.online BS Nursing
Jun 6, 2026

166. A public health authority receives reports of a sudden increase in emergency room visits for respiratory distress. What is the urgent epidemiological action?

A. Advise people to stay indoors.
B. Investigate potential environmental triggers (e.g., air pollution, allergen peaks) or an emerging respiratory pathogen.
C. Assume it is a normal seasonal fluctuation.
D. Only focus on treating individual patients.
nmdcat.online BS Nursing
Jun 6, 2026
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