汽车QMS标准适用于什么？
参考答案：适用于制造顾客指定生产件、服务件和/或配件的组织的现场。
肛门直肠周围有几个间隙：（）
A.5个
B.3个
C.7个
D.4个
E.2个
A 26-year-old primigravida is in labor. Her cervix is 5 cm dilated and 75% effaced; the fetus is at 0 station. The client requests medication to relieve the discomfort of contractions, and the physician prescribes an epidural regional block. What position should the nurse help the client to assume when the epidural is administered（）
A. Lithotomy.
B. Supine.
C. Prone.
D. Lateral.
