Among patients with intermittent claudication, all

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Epidemiology Multiple Choice Questions Questions

Question 1 of 5

Among patients with intermittent claudication, all the following statements are true EXCEPT

A. about 50 percent eventually require amputation if they do not undergo vascular reconstruction B. the leading cause of death is coronary heart disease C. about 50 percent have significant coronary artery disease at the time of presentation D. prognosis is worse in patients with diabetes

Correct Answer: A

Rationale: Only ~5-10% need amputation; others true.

Question 2 of 5

Which of the following cancers has been associated with increasing age-adjusted mortality in the past 25 years?

A. Lung cancer B. Uterine cancer C. Prostate cancer D. Scrotal cancer

Correct Answer: A

Rationale: Lung cancer mortality rose until ~1990s, still high in women.

Question 3 of 5

Although the etiology of adult rheumatoid arthritis is not known, studies of its epidemiology have shown that

A. the incidence is 20 times higher in women than in men B. progressive joint destruction occurs in less than 20 percent of cases C. the vast majority of cases have their onset between the ages of 35 and 50 D. there is no genetic predisposition to the disease

Correct Answer: C

Rationale: Peak onset 35-50; A (~3x), B (>20%), D (genetic link), E (no miner link) false.

Question 4 of 5

Exposure to benzene has been associated with all the following hematologic diseases EXCEPT

A. aplastic anemia B. non-Hodgkin lymphoma C. acute nonlymphocytic leukemia D. acute lymphocytic leukemia

Correct Answer: B

Rationale: NHL isn’t strongly linked; others are.

Question 5 of 5

True statements about pneumoconiosis of coal workers (black lung) include which of the following?

A. Progressive massive fibrosis occurs in more than half of coal workers who have pneumoconiosis B. Inhalation of anthracite (hard coal) dust is more dangerous than inhalation of bituminous (soft coal) dust C. Generally, large dust particles cause more scar formation than small dust particles D. None of the above

Correct Answer: D

Rationale: A (~10%), B (both risky), C (small worse), D (pure coal causes it) false.

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Among patients with intermittent claudication, all the following statements are true EXCEPT

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Epidemiology Multiple Choice Questions Questions

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