MS Master of Public Health

Question 1

In epidemiology, what does the term 'incidence rate' measure?

Accepted Answer

Number of new cases per population at risk over a defined time period

Answer

Incidence rate measures the rate of new case development in a population at risk during a specified time interval, expressed per person-time.

Question 2

What is the primary goal of the US Healthy People 2030 initiative?

Accepted Answer

Improve health and well-being of all Americans through science-based national objectives

Answer

Healthy People 2030 sets data-driven national objectives to improve health, well-being, and equity for all Americans over the decade.

Question 3

What is the difference between primary, secondary, and tertiary prevention in public health?

Accepted Answer

Primary prevents disease onset; secondary detects early; tertiary reduces disability from existing disease

Answer

Primary prevention stops disease before it occurs (e.g., vaccination), secondary detects and treats early disease (e.g., screening), and tertiary manages existing disease to prevent disability.

Question 4

In a randomized controlled trial (RCT), what is the main purpose of randomization?

Accepted Answer

Eliminate selection bias and ensure comparable groups at baseline

Answer

Randomization distributes both known and unknown confounding variables equally across treatment and control groups, reducing selection bias and allowing causal inference.

Question 5

What does the social determinants of health (SDOH) framework emphasize?

Accepted Answer

Non-medical factors like income, education, and housing strongly influence health outcomes

Answer

The SDOH framework recognizes that economic stability, education, social context, neighborhood environment, and healthcare access profoundly shape health outcomes.

MS - Master of Science Practice Test

MS - Master of Science Practice Test

MS Master of Public Health