COMAT Preventive Medicine and Public Health 3

Question 1

The PHQ-9 is a validated 9-item clinical screening tool used to detect and grade the severity of which condition?

Accepted Answer

Major depressive disorder

Answer

Generalized anxiety disorder

Answer

Post-traumatic stress disorder

Answer

Bipolar disorder

Question 2

Childhood vaccination against measles is an example of which level of prevention?

Accepted Answer

Primary prevention

Answer

Secondary prevention

Answer

Tertiary prevention

Answer

Quaternary prevention

Question 3

In a 2×2 diagnostic contingency table, which cell represents individuals who test positive but do NOT have the disease?

Accepted Answer

False positive

Answer

True positive

Answer

True negative

Answer

False negative

Question 4

According to CDC guidelines, at what blood lead level in children is chelation therapy generally indicated?

Accepted Answer

≥45 µg/dL

Answer

≥5 µg/dL

Answer

≥10 µg/dL

Answer

≥70 µg/dL

Question 5

Which vaccine requires annual reformulation and administration because the causative pathogen undergoes rapid antigenic drift each season?

Accepted Answer

Influenza vaccine

Answer

Hepatitis B vaccine

Answer

Pneumococcal vaccine (PCV15)

Answer

MMR vaccine

Question 6

A study reports an odds ratio (OR) of 1.0 for the association between a risk factor and a disease. What does this indicate?

Accepted Answer

No association exists between the risk factor and disease

Answer

The risk factor doubles the odds of disease

Answer

The risk factor reduces the odds of disease by 50%

Answer

The study lacked statistical power

Question 7

USPSTF recommends screening for hypertension in adults aged 18 and older using which approach?

Accepted Answer

Office blood pressure measurement with out-of-office confirmation of elevated readings

Answer

Annual ambulatory blood pressure monitoring for all adults

Answer

Home blood pressure monitoring as the sole method

Answer

Annual tilt-table testing