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

Total cases existing in a population at one point in time

Answer

Number of deaths from a disease

Answer

Proportion of exposed individuals who develop disease

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

Regulate pharmaceutical pricing

Answer

Reform hospital billing practices

Answer

Mandate annual physicals for all citizens

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 treats disease; secondary prevents complications; tertiary monitors

Answer

All three aim to treat existing conditions

Answer

Primary is most effective for chronic diseases only

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

Increase sample size

Answer

Blind participants to their treatment

Answer

Reduce cost of the study

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

Genetics is the primary driver of health

Answer

Medical care is the most important factor in population health

Answer

Lifestyle choices alone determine individual health

Question 6

What is the purpose of an Institutional Review Board (IRB) in public health research?

Accepted Answer

Protect the rights and welfare of human research participants

Answer

Fund public health research projects

Answer

Publish research findings

Answer

Train researchers in laboratory techniques