3 - Questions with Correct Answers
100 questions
1. The 10 Essential Public Health Services (revised 2020) place which concept at the center?
A. Profit
B. Hospital care
C. Pharmaceutical access
D. Equity
Correct Answer: D. Equity
Rationale: Center of the wheel.
2. Utilitarianism in public health ethics emphasizes:
A. The greatest good for the greatest number
B. Individual rights above all
C. Following duty regardless of outcomes
D. Virtue only
Correct Answer: A. The greatest good for the greatest number
Rationale: Consequentialist.
3. Fluoridating community water is an example of:
A. Counseling
B. Tertiary prevention
C. Clinical intervention
D. Changing the context to make individuals' default decisions healthy
Correct Answer: D. Changing the context to make individuals' default decisions healthy
Rationale: Health Impact Pyramid level 2.
4. Tertiary prevention aims to:
A. Prevent exposure
B. Detect asymptomatic disease
C. Reduce complications and disability from established disease
D. Prevent risk factors from developing
Correct Answer: C. Reduce complications and disability from established disease
Rationale: Rehabilitation, disease management.
5. Market justice emphasizes:
A. Collective action for all
B. Government provision of all care
C. Individual responsibility and distribution based on ability to pay
D. Population-based prevention
Correct Answer: C. Individual responsibility and distribution based on ability to pay
Rationale: Contrast with social justice.
6. Monitoring community health status to identify problems falls under which core function?
A. Policy development
B. Assurance
C. Assessment
D. Evaluation only
Correct Answer: C. Assessment
Rationale: Assessment.
,7. The public health nurse acting as an advocate:
A. Makes all decisions for clients
B. Avoids policy issues
C. Only provides direct care
D. Speaks for or empowers clients and communities to obtain needed resources
Correct Answer: D. Speaks for or empowers clients and communities to obtain needed
resources
Rationale: Advocacy.
8. The primary focus of public health nursing is:
A. Populations
B. Individual hospitalized patients
C. Surgical outcomes
D. Physician orders
Correct Answer: A. Populations
Rationale: Population-focused practice.
9. A relative risk of 1.0 indicates:
A. A strong positive association
B. A protective effect
C. No association between exposure and disease
D. Causation
Correct Answer: C. No association between exposure and disease
Rationale: Equal risk.
10. The case fatality rate is:
A. Deaths per 1,000 population
B. The proportion of people with a disease who die from it
C. Deaths among infants
D. New cases per year
Correct Answer: B. The proportion of people with a disease who die from it
Rationale: Severity measure.
11. A confounder is a variable that:
A. Is the outcome itself
B. Has no association with either
C. Is associated with both the exposure and the outcome, distorting the true relationship
D. Is the exposure
Correct Answer: C. Is associated with both the exposure and the outcome, distorting the true
relationship
Rationale: e.g., smoking in coffee-cancer studies.
12. Endemic refers to:
A. A sudden increase in cases
B. The constant presence of a disease at a usual level in a population
C. A global epidemic
D. A disease eradicated
Correct Answer: B. The constant presence of a disease at a usual level in a population
Rationale: Baseline.
, 13. The odds ratio is the main measure of association in:
A. Cohort studies
B. Case-control studies
C. Randomized trials only
D. Ecological studies only
Correct Answer: B. Case-control studies
Rationale: Cannot compute incidence.
14. A highly sensitive test is most useful for:
A. Ruling in disease when positive
B. Measuring prevalence
C. Determining cause
D. Ruling out disease when the result is negative
Correct Answer: D. Ruling out disease when the result is negative
Rationale: SnNout.
15. Herd (community) immunity occurs when:
A. Everyone is vaccinated
B. Only animals are vaccinated
C. Disease is eradicated worldwide
D. Enough of the population is immune that spread is limited, protecting those not immune
Correct Answer: D. Enough of the population is immune that spread is limited, protecting
those not immune
Rationale: Threshold depends on R0.
16. A propagated (person-to-person) epidemic curve shows:
A. A single sharp peak
B. No cases
C. Successive peaks separated by about one incubation period
D. A straight line
Correct Answer: C. Successive peaks separated by about one incubation period
Rationale: Chain transmission.
17. Lyme disease is transmitted by:
A. Mosquitoes
B. Fleas
C. Blacklegged (deer) ticks
D. Contaminated water
Correct Answer: C. Blacklegged (deer) ticks
Rationale: Vector-borne.
18. The hepatitis B vaccine series begins:
A. At birth (within 24 hours for medically stable infants)
B. At 12 months
C. At school entry
D. In adolescence only
Correct Answer: A. At birth (within 24 hours for medically stable infants)
Rationale: Birth dose.