Deck 10: Field Epidemiology

Question 1

What is the most appropriate type of rate for investigating an outbreak?

A) Incidence density
B) Cumulative incidence
C) Mortality
D) Prevalence proportion

Answer 1

B

Question 2

When is it appropriate to refer to an epidemic as an outbreak?

A) When the epidemic is more localized
B) When the epidemic is more widespread
C) When the epidemic is more prolonged
D) When you are trying to promote fear

Answer 2

A

Question 3

How would you classify an epidemic if the epidemic curve shows a rapid rise, peak, and gradual decrease?

A) Propagated
B) Continuous source
C) Intermittent source
D) Point source

Answer 3

D

Question 4

Field investigations involving acute problems may differ from conventional epidemiologic studies in three important ways. Describe these.

Question 5

Which of the following is NOT part of the definition of field investigation?

A) The problem is unexpected.
B) Time response may be demanded.
C) Work in the field is often avoided to prevent contracting the illness.
D) Investigation time is likely to be limited because of the need for a timely intervention.
E) All of these are part of field investigation.

Question 6

Assessment of the clinical findings should be done to assure correctness and reliability of the findings.

Question 7

Field investigations often do not start with a clear hypothesis.

Question 8

The field epidemiologist does not have time to search for missing cases.

Question 9

Which of the following is NOT an example of a common source epidemic?

A) Salmonella traced to undercooked turkey at a potluck dinner
B) Thyroid cancer associated with radiation exposure
C) Typhoid fever traced to contaminated food
D) HIV/AIDS

Question 10

If established facts or information are lacking to substantiate a hypothesis, then what should be done?

A) More information should be gathered.
B) The research hypothesis should be rejected.
C) Either of these may be appropriate.