问题 单项选择题

女性,24岁,心悸、面色苍白、巩膜轻度黄染,脾脏肋下2cm。血红蛋白80g/L,网织红细胞12%。如果患者为自身免疫性溶血性贫血,可能出现的阳性试验是()

A.酸溶血试验阳性

B.蔗糖水试验阳性

C.Coombs试验阳性

D.蛇毒因子溶血试验阳性

E.热溶血试验阳性

答案

参考答案:C

解析:该病人符合溶血性贫血,若为自身免疫性溶血性贫血,则可能的阳性试验是Coombs试验,而其余四项试验均为诊断PNH的试验。

单项选择题

A recent poll indicated that half the teenagers in the United States believe that communication between them and their parents is (1) and further that one of the prime causes of this gap is (2) listening behavior. As a(an) (3) in point, one parent believed that her daughter had a severe (4) problem. She was so (5) that she took her to an audiologist to have her ear tested. The audiologist carefully tested both ears and reported back to the parent:"There’s nothing wrong with her hearing. She’s just (6) you out. "

A leading cause of the (7) divorce rate (more than half of all marriages end in divorce) is the failure of husbands and wives to (8) effectively. They don’t listen to each other. Neither person (9) to the actual message sent by the other.

In (10) fashion, political scientists report that a growing number of people believe that their elected and (11) officials are out of (12) with the constituents they are supposedly (13) Why Because they don’t believe that they listen to them. In fact, it seems that sometimes our politicians don’t even listen to themselves. The following is a true story: At a national (14) conference held in Albuquerque some years ago, then Senator Joseph Montoya was (15) a copy of a press release by a press aide shortly before he got up before the audience to (16) a speech. When he rose to speak, (17) the horror of the press aide and the (18) of his audience, Montoya began reading the press release, not his speech. He began, "For immediate release. Senator Joseph M. Montoya, Democrat of New Mexico, last night told the National... " Montoya read the entire six page release, (19) with the statement that he "was repeatedly (20) by applause.

1()

A.scarce

B.little

C.rare

D.poor

判断题