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【单选题】
妊娠期服用氨苄西林、红霉素、庆大霉素等抗菌药物的血药浓度降低的机制是A.
胃肠活动减弱，使吸收减慢
B.
妊娠晚期血流动力学发生改变
C.
激素分泌改变，药物代谢受到影响
D.
血容量增加使血浆白蛋白浓度降低
E.
肾血流、肾小球滤过率和肌酐清除率均增加，使药物经肾脏的消除加快
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皮皮学刷刷变学霸
举一反三
【单选题】What divides China into north and south?
A.
Himalayas
B.
Qinling Mountain
C.
The Yangtze River
D.
The Yellow River
【多选题】Which of the following statements is correct?
A.
Yuzui divides Minjiang River into inner river and outer river.
B.
the inner river is deep and narrow.
C.
the outer river is shallow and wide.
D.
the inner river carries approximately 60 percent of the river’s flow into the irrigation system during dry seasons.
E.
the inner river carries approximately 40 percent of the river’s flow into the irrigation system during dry seasons.
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【简答题】The
river this city that one.A. seperates ... from B. seperate....from C. divide....into.... D. divides...into
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