FREE Bachelor of Health Science Epidemiology Questions and Answers

Question 1

This is an example of conducting a survey with a representative sample of residents to inquire about their weekly exercise habits and whether they have been diagnosed with heart disease or not.

Accepted Answer

Observational Cross - sectional

Answer

Observational Cohort Study

Answer

Experimental study

Answer

Not an analytical or epidemiologic study

Question 2

People with new-onset Lyme disease were asked how often they walked in the forest, used repellents, and wore short sleeves as well as pants. The same questions were asked of twice as many people without Lyme disease from the same doctor's office. Then, the results from people with and without lyme disease were compared.

Accepted Answer

Observational case study

Answer

Experimental

Answer

Observational cross - sectional

Answer

Observational cohort

Question 3

The people who have been studied were children whom are part of a health maintenance organization. At 2 months, each child was given one of the two vaccines against rotavirus infection based on a chance draw. After two weeks, a nurse reached out to the parents and asked if their children had any of a list of side effects.

Accepted Answer

Experimental

Answer

Observational cross - sectional

Answer

Observational case study

Answer

Observational cohort

Question 4

"Distribution" in the definition of epidemiology means:

Accepted Answer

All of the above

Answer

Who

Answer

When

Answer

Where

Question 5

In most cases, "determinants" in the definition of epidemiology means:

Accepted Answer

Causes, Risk factors, Sources, Agents

Answer

Elements, Variables, Components, Control measures

Answer

Variables, Components, Agents, Sources

Answer

Sources, Influences, Contributors, Elements

Question 6

Several people on a cruise ship that went from Puerto Rico to the Panama Canal recently got sick with an illness that is similar to norovirus (formerly called Norwalk-like virus). Testing for norovirus is not easy to do on any nearby island, and even when it is possible, the test takes several days. If you are the epidemiologist who has been asked to go on the ship and look into this possible outbreak, your case definition should at least include: (Select one best answer)

Accepted Answer

Clinical criteria, plus specification of time, place, and person

Answer

Clinical features, plus the exposure(s) you most suspect

Answer

The nationally agreed standard case definition for disease reporting

Answer

Suspect cases

Question 7

When comparing the number of sick people in a community to the rate of illness, rates are better for: (Choose one best answer)

Accepted Answer

Estimating subgroups at highest risk

Answer

Telling physicians which strain of influenza is most prevalent

Answer

Conducting surveillance for communicable diseases

Answer

Deciding how many doses of immune globulin are needed

Question 8

Several people on a cruise ship that went from Puerto Rico to the Panama Canal recently got sick with a virus that is similar to norovirus (formerly called Norwalk-like virus). On any nearby island, it is hard to test for norovirus, and when it is possible, the test takes several days. If you are the epidemiologist who has been asked to go on the ship and look into this possible outbreak, how would you illustrate the time course of the outbreak? (Select one best answer)

Accepted Answer

Epidemic curve

Answer

Secular trend

Answer

Endemic curve

Answer

Seasonal trend

Question 9

On a cruise ship from Puerto Rico to the Panama Canal, a group of passengers has recently developed a gastrointestinal illness compatible with norovirus (formerly known as Norwalk-like virus). Norovirus testing is not readily accessible on nearby islands, and even where available, it takes several days to obtain results. What variables might be included in characterizing the outbreak by person?

Accepted Answer

Status as passenger or crew

Answer

Symptoms

Answer

Detailed food history (what person ate) while aboard ship

Answer

Age of passenger

Question 10

When examining surveillance data based on age, which of the following age groups is favored? (Select one best option)

Accepted Answer

Depends on the disease

Answer

10-year age groups

Answer

1-year age groups

Answer

5-year age groups