单选题 The nurse is teaching a client with a history of atherosclerosis. To decrease the risk of atherosclerosis, the nurse should encourage the client to
A. avoid focusing on his weight.
B. increase his activity level.
C. follow a regular diet.
D. continue leading a high-stress lifestyle.

【正确答案】 B
【答案解析】The client should be encouraged to increase his activity level. Maintaining an ideal weight; following a low-cholesterol, low-sodium diet; and avoiding stress are all important factors in decreasing the risk of atherosclerosis.