硬膜外麻醉最严重的并发症是（）
A.全脊髓麻醉
B.血管扩张
C.尿潴留
D.呼吸变慢
E.血压下降
参考答案：A
经营处方药，甲类非处方药的药品零售企业，应当配备
A．执业药师
B．执业药师或者其他依法经资格认定的药学技术人员
C．依法经资格认定的药学技术人员
D．经药监部门组织考核合格的业务人员
E．副主任药师以上的药学技术人员
A client reveals to the nurse that he’s sexually impotent. Which statement best expresses what the nurse should understand her client to mean（）
A. He’s disinterested in sexual intimacy.
B. He’s unable to attain or retain an erection.
C. His ejaculate is void of sperm.
D. His semen isn’t potent enough to impregnate.
