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问题 多项选择题

P-R间期延长>0．21秒见于（）

A.干扰

B.交界性早搏

C.等频性干扰性房室脱节

D.房室结慢经路向前传导

E.一度房室传导阻滞

答案

参考答案：A, D, E

单项选择题

该患者最可能诊断为

A．阿尔茨海默病
B．精神分裂症
C．躁狂症
D．躯体疾病所致精神障碍
E．血管性痴呆
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单项选择题

A 9-month-old, well-nourished boy who lives with his extensive extended family tests positive for tuberculosis. Which of the following is a risk factor for tuberculosis in this client

A．Male sex.

B．The infant is in the 95th percentile for height and weight.

C．His mother did not receive prenatal care until the second trimester of her pregnancy.

D．Age.
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