A test with high specificity is particularly useful for:

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Epidemiology Exam Questions and Answers DOC Questions

Question 1 of 5

A test with high specificity is particularly useful for:

Correct Answer: B

Rationale: High specificity (B) confirms diagnosis (e.g., few false positives, SpPin). A needs sensitivity, C is sensitivity, D is broad.

Question 2 of 5

What does the term 'incidence' measure in epidemiology?

Correct Answer: B

Rationale: Incidence (B) measures new cases (e.g., 100/year). A is prevalence, C is mortality, D is prevalence.

Question 3 of 5

Which criterion is considered the most important for establishing causality?

Correct Answer: C

Rationale: Temporality (C) is essential; exposure must precede outcome (e.g., smoking before cancer). A, B, and D support but aren’t absolute.

Question 4 of 5

The bacteria that are involved in nosocomial (hospital-associated) infections are transmitted most often by

Correct Answer: D

Rationale: Hands are the primary vector (e.g., MRSA spread).

Question 5 of 5

All the following statements about coronary heart disease in the U.S. are true EXCEPT

Correct Answer: B

Rationale: CHD is not the top killer in 35-44 men (accidents higher); others true.

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