单选题 The nurse instructs the female client concerning hormone replacement therapy for menopausal symptoms. Which of the following points should the nurse include in the client's teaching plan?
A. Estrogen therapy eliminates the need for supplemental calcium intake.
B. Estrogen therapy can reduce the risk of menopausal bone loss.
C. The risk of uterine cancer is decreased after menopause.
D. Smoking is associated with a later onset of menopause.

【正确答案】 B
【答案解析】Research studies have demonstrated that estrogen has been effective in decreasing bone loss.