什么叫换面法?
参考答案:
就是另设一个新的投影面与曲线平行,则曲线在该面上的投影反映实长。
关于皮肤基底细胞癌正确的是()。
A.为高度恶性肿瘤,发展迅速
B.对放射治疗不敏感
C.很少发生血行或淋巴转移
D.常继发于经久不愈的慢性皮肤溃疡
E.多见于躯干
The nurse is teaching a client about using vaginal medications. The nurse should instruct the client to ().
A.use a tampon after insertion to increase medication absorption.
B.release and pull up on the applicator before removal.
C.never refrigerate suppositories.
D.use only a water-soluble lubricant when inserting a suppository.