Prolonged exposure to polyvinyl chlorides in produ

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Question 1 of 5

Prolonged exposure to polyvinyl chlorides in production is associated with each of the following EXCEPT

A. acroosteolysis B. Raynaud phenomenon C. lung disease D. angiosarcoma of the liver

Correct Answer: C

Rationale: Lung disease isn’t PVC-related; others are.

Question 2 of 5

Studies of the epidemiology of alcoholism have shown

A. that it is often associated with a family history of strict abstinence B. that there is only weak evidence for a genetic cause C. that the usual age of onset in men is about age 40, during the midlife crisis D. none of the above

Correct Answer: D

Rationale: A (family alcoholism), B (strong genetics), C (20s-30s), D (no peak) false.

Question 3 of 5

Parents who abuse their children are correctly characterized by all the following statements EXCEPT

A. they are more likely to be alcoholics than are nonabusive parents B. they are found in all social classes C. they are more likely to have been abused as children than are nonabusive parents D. they are more likely to be men than women

Correct Answer: D

Rationale: Mothers abuse more often; others true.

Question 4 of 5

A specific case definition is one that: (Choose one wrong answer)

A. Is likely to include only (or mostly) true cases B. Is considered 'loose' or 'broad' C. Will include more cases than a sensitive case definition D. May exclude mild cases

Correct Answer: B

Rationale: A specific case definition aims for true positives (A) and may miss mild cases (D). 'Loose' or 'broad' (B) describes a sensitive definition, not a specific one.

Question 5 of 5

Disease control measures are generally directed at which of the following? (Choose one wrong answer)

A. Eliminating the reservoir B. Eliminating the vector C. Eliminating the host D. Interrupting mode of transmission

Correct Answer: C

Rationale: Control targets reservoirs (A), vectors (B), transmission (D), or susceptibility. Eliminating hosts (C) is impractical and not a standard measure.

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Prolonged exposure to polyvinyl chlorides in production is associated with each of the following EXCEPT

Nurselytic

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