长效青霉素的制备原理是

A．制成水不溶性骨架

B．增加制剂黏度

C．制成植入剂

D．制成溶解度小的盐或酯

E．制成微囊

The nurse is assessing a pregnant woman in the clinic. In the course of the assessment, the nurse learns that this woman smokes one pack of cigarettes per day. The first step the nurse should take to help the woman stop smoking is to （）.

A．assess the client's readiness to stop.

B．suggest that the client reduce the daily number of cigarettes smoked by one-half.

C．provide the client with the telephone number of a formal smoking cessation program.

D．help the client develop a plan to stop.