ATI RN
Epidemiology NCLEX Questions Questions
Question 1 of 5
Based on studies of persons who have been poisoned by chronic exposure, methyl mercury has biologic properties that include an ability to
Correct Answer: A
Rationale: Neurotoxicity (e.g., Minamata disease) is key.
Question 2 of 5
Which of the following mental disorders has its highest incidence in the geriatric population?
Correct Answer: A
Rationale: Involutional depression peaks in elderly.
Question 3 of 5
In the definition of epidemiology, 'determinants' generally includes: (Choose one wrong answer)
Correct Answer: C
Rationale: Determinants include agents (e.g., bacteria), causes (e.g., exposure), and risk factors (e.g., smoking). Control measures are interventions, not determinants.
Question 4 of 5
British investigators conducted a study to compare measles-mumps-rubella (MMR) vaccine history among 1,294 children with pervasive development disorder (e.g., autism and Asperger's syndrome) and 4,469 children without such disorders. (They found no association.) This is an example of which type(s) of study? (Choose one wrong answer)
Correct Answer: C
Rationale: Comparing cases (disorder) to controls (no disorder) is observational (B) and case-control (D). Cohort (C) follows exposure over time, not applicable here.
Question 5 of 5
The measure of central location generally preferred for additional statistical analysis is the:
Correct Answer: A
Rationale: The mean is used in parametric statistical tests due to its mathematical properties.