Seroepidemiologic studies of infection with herpes

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Question 1 of 5

Seroepidemiologic studies of infection with herpes simplex virus (HSV) have shown that

A. infection with HSV-2 is more common than infection with HSV-1 B. the prevalence of antibodies to HSV-2 is more than five times higher than the reported history of infection C. HSV-2 is only infectious during the symptomatic phase D. it is possible to differentiate HSV-1 from HSV-2 antibodies

Correct Answer: D

Rationale: Antibody tests distinguish HSV-1/2; A (HSV-1 more common), B (not 5x), C (asymptomatic spread), E (HSV-2 reactivates more) false.

Question 2 of 5

Which one of the following diseases is found almost exclusively among persons who have worked with or have been exposed to asbestos?

A. Bronchogenic carcinoma B. Byssinosis C. Pleural mesothelioma D. Laryngeal carcinoma

Correct Answer: C

Rationale: Pleural mesothelioma is asbestos-specific.

Question 3 of 5

Pneumoconiosis of coal workers (black lung) is correctly characterized by which of the following statements?

A. Development appears to be independent of duration of exposure to coal dust B. Only nonsmokers are covered under the Black Lung Act C. It is easy to differentiate from silicosis on chest radiographs D. None of the above

Correct Answer: D

Rationale: A (dose-dependent), B (all covered), C (hard to distinguish), D (functional loss) false.

Question 4 of 5

What proportion of the United States population is estimated to have a mental or emotional problem that requires therapy?

A. 1 percent B. 5 percent C. 10 percent D. 20 percent

Correct Answer: D

Rationale: ~20% lifetime prevalence per NIMH.

Question 5 of 5

Which of the following features characterizes families in which spouse abuse occurs?

A. Husbands of battered women have less education than those of nonbattered women B. Women who were abused as children are more likely to be abused by their spouses C. Women whose mothers suffered abuse are unlikely to be abused by their own husbands D. Men who batter women are prosecuted in 25 percent of cases

Correct Answer: B

Rationale: Childhood abuse increases risk; others false.

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Seroepidemiologic studies of infection with herpes simplex virus (HSV) have shown that

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