题目内容

The transmission of AIDS does not include_ _

A. sexual contact with healthy partner.
B. vertical transmission from mother to fetus in pregnancy.
C. sexual contact with carrier.
D. transfusion of blood and blood products.

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Which pathological change is absent from syphilis?_ _

A. Gumma
B. Skin rash
C. Syphiloma
D. Rose spot

Which manifestation is uncommon in the cirrhosis caused by schistosoma?_ _

A. Decreased liver function
B. Ascites
C. Splenomegaly
D. Collateral branches

At autopsy, the heart of a 63-year-old man weighs only 250g and has small right and left ventricles. The myocardium is firm, with a dark chocolate-brown color throughout. The coronary arteries show minimal atherosclerotic changes. An excessive amount of which of the following substances will most likely be found in the myocardial fibers of this heart? _ _

A. Melanin
B. Hemosiderin
C. Glycogen
D. Lipofuscin
E. Bilirubin

A 69-year-old woman has had a chronic cough for the past year. A chest radiograph shows a 6-cm mass in the left lung, and a needle biopsy specimen of the mass shows carcinoma. A pneumonectomy is performed, and examination of the hilar lymph nodes reveals a uniform, dark-black cut surface. Which of the following factors is most likely to account for the appearance of the lymph nodes? _ _

A. Smoking
Bleeding disorder
C. Liver failure
D. Aging
E. Metastases

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