ATI RN
Questions on Epidemiology Questions
Question 1 of 5
Health care workers whose fetuses or infants are at special risk include which of the following?
Correct Answer: C
Rationale: Chemo exposure risks fetus; others minimal.
Question 2 of 5
True statements about the use of opioid drugs in the U.S. include
Correct Answer: B
Rationale: Men use more; A (20s-30s), C (varies), D (>1%) false.
Question 3 of 5
Comparing numbers and rates of illness in a community, rates are preferred for: (Choose one best answer)
Correct Answer: C
Rationale: Rates adjust for population size, making them best for identifying high-risk subgroups. Numbers are better for absolute needs (B) or prevalence (D); surveillance (A) uses both.
Question 4 of 5
Which term best describes the pattern of occurrence of the three diseases noted below in a single area? A. Disease 1: usually 40-50 cases per week; last week, 48 cases B. Disease 2: fewer than 10 cases per year; last week, 1 case C. Disease 3: usually no more than 2-4 cases per week; last week, 13 cases (Choose one best answer for each disease)
Correct Answer: B
Rationale: Disease 1 is endemic (A), Disease 2 is sporadic (D), Disease 3 is an outbreak (B). B is chosen as the answer for C, per the question’s focus.
Question 5 of 5
Before calculating a standard deviation, one should ensure that: (Choose one wrong answer)
Correct Answer: C
Rationale: Standard deviation requires interval or ratio data (C is correct, but the question seeks a wrong answer). Normality (A) and sample size (B) are not prerequisites.