ATI RN
Epidemiology Test Questions and Answers PDF Questions
Question 1 of 5
True statements about occupational asthma include which of the following?
Correct Answer: B
Rationale: Improves away from work; A (~15%), C (not required), D (varies) false.
Question 2 of 5
Which of the following statements correctly describes emotional disturbances of the postpartum period?
Correct Answer: D
Rationale: ~20% experience blues/depression; others false.
Question 3 of 5
A number of passengers on a cruise ship from Puerto Rico to the Panama Canal have recently developed a gastrointestinal illness compatible with norovirus (formerly called Norwalk-like virus). Testing for norovirus is not readily available in any nearby island, and the test takes several days even where available. Assuming you are the epidemiologist called on to board the ship and investigate this possible outbreak, your case definition should include, at a minimum: (Choose one best answer)
Correct Answer: A
Rationale: A case definition requires clinical symptoms and specifics of time, place, and person to accurately identify outbreak cases. Suspected exposures (B) are premature, and C and D lack specificity.
Question 4 of 5
Indirect transmission includes which of the following? (Choose one wrong answer)
Correct Answer: A
Rationale: Indirect transmission involves vectors (B), vehicles (C), or fomites (D). Droplet spread (A) is direct, making it the wrong answer.
Question 5 of 5
The measure of central location most commonly used with the standard deviation is the:
Correct Answer: A
Rationale: The mean is used with standard deviation in normal distribution analyses.