The nurse is preparing to remove a previously applied topical medication from a client. The rationale for removing previously applied topical medications before applying new medications is to

A. decrease the possibility of absorption on the nurse’s skin.
B. allow distribution of medication.
C. prevent soiling of the client’s clothes.
D. avoid administering more than the prescribed dos

一、二级单层、多层民用建筑之间的防火间距，不应小于（）米。

A、6

B、7

C、8

D、9