HSC4010 Epidemiology & Disease Control Midterm Assessment – Test Bank with Solutions 2026/2027

HSC4010



Epidemiology & Disease Control



Midterm Assessment Review

(With Solutions)




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,1. Case: A nurse investigates a foodborne outbreak in a
community. Several patients developed symptoms after
eating at the same restaurant.
Question: Which epidemiological study design is most
appropriate?
- A. Case-control study
- B. Cross-sectional study
- C. Cohort study
- D. Randomized controlled
trial Answer: A. Case-control
study
Rationale: Compares those who ate at the restaurant (cases)
with those who did not (controls).

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2. Case: A hospital reports 20 new cases of influenza in one
week. Question: Which measure best describes this?
- A. Prevalence
- B. Incidence
- C. Mortality rate
- D. Case fatality rate Answer: B. Incidence
Rationale: Incidence measures new cases over
time.

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, 3. Case: A nurse tracks the number of patients living with HIV
in a city.
Question: Which measure is being calculated?
- A. Prevalence
- B. Incidence
- C. Mortality
- D. Attack rate
Answer: A.
Prevalence
Rationale: Prevalence measures existing cases at a given time.

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4. Case: A patient develops tuberculosis after exposure to
a roommate with active TB.
Question: Which epidemiological concept applies?
- A. Reservoir
- B. Vector
- C. Host susceptibility
- D. Herd immunity
Answer: C. Host susceptibility
Rationale: Individual susceptibility determines disease
development.

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