Which of the following statements about aortic dis

Question 1 of 5

Which of the following statements about aortic dissection is true?

A. Almost all patients with aortic dissection have elevated serum cholesterol levels (>240 mg/dL) B. Aortic dissection is the major cause of mortality in patients with Marfan's syndrome C. There is an increased incidence of aortic dissection in patients with Gaucher's disease D. There is approximately a 10 percent operative mortality from emergency surgery for dissection of the ascending aorta

Correct Answer: B

Rationale: Aortic dissection is a leading cause of death in Marfan's syndrome due to connective tissue defects. A is false (cholesterol isn’t a primary risk factor). C is incorrect (Gaucher's isn’t linked). D varies (10-20% is typical, not fixed at 10%). E is false (severe pain is usual).

Question 2 of 5

Which of the following epidemiologic statements about gastric cancer is true?

A. The incidence of gastric cancer is higher in Japan than in the U.S. B. Annual mortality for gastric cancer has been increasing over the last 40 years in the U.S. C. The incidence of gastric cancer is higher in smokers D. The incidence in women is twice that in men

Correct Answer: A

Rationale: Japan has higher rates (diet, H. pylori); others false.

Question 3 of 5

Studies of estimated mortality related to birth control in premenopausal women have shown that

A. at all ages, mortality is greater among women using no contraception than among women using oral contraceptives B. the mortality among women ages 40 to 44 associated with the use of abortion is less than one-twentieth that associated with birth C. death rates associated with the use of intrauterine devices (IUDs) are about ten times higher in older than in younger women D. smokers who use birth control pills are at about a 15 percent higher mortality risk

Correct Answer: A

Rationale: Pregnancy risks exceed OCP risks; B-D speculative, E false (older women higher).

Question 4 of 5

Primary hepatocellular carcinoma (hepatoma) is

A. more common in persons with chronic liver disease B. associated with the consumption of raw meat C. responsible for 2 to 4 percent of all deaths from cancer in Africa D. associated with cigarette smoking

Correct Answer: A

Rationale: Chronic liver disease (e.g., HBV, HCV) is key; others false.

Question 5 of 5

True statements about osteoarthritis (degenerative joint disease) include

A. it is more than twice as common among women as men of the same age B. the pattern of joint involvement is essentially identical in all races among persons of the same age C. about 50 percent of persons over age 75 have some degenerative joint disease D. hereditary factors are important in Heberden's nodes

Correct Answer: C

Rationale: ~50% over 75 have OA; A (slightly higher), B (varies), D (true but not sole) false.

Which of the following statements about aortic dissection is true?

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