Tamoxifen is commonly used in the treatment of breast cancer ...

[Haya94]

Tamoxifen is commonly used in the treatment of breast cancer because it:
 
  a. Decreases the need for surgery
  b. Is effective at controlling side effects of chemotherapy
  c. Blocks estrogen in tumors that are stimulated by estrogen
  d. Has no side effects and improves response to other drugs

Question 2

A class for older women focuses on prevention and treatment of osteoporosis. One woman asks how to tell if she is at risk for osteoporosis. The best response is that:
 
  a. Family history is not predictive of osteoporosis.
  b. Smoking and consumption of alcohol and caffeine increase risk.
  c. African American women are at greatest risk.
  d. Excessive exercise increases risk.

[Natalie4ever]

Answer to Question 1

ANS: C
Tamoxifen is used after surgery to suppress growth of tumors that are estrogen receptor positive. Tamoxifen blocks estrogen, thereby removing a contributing factor to tumor growth.

Answer to Question 2

ANS: B
Risk factors include family history, early menopause, smoking, caffeine and alcohol use, low calcium intake, and sedentary lifestyle. At highest risk are small-boned, fair-skinned, white women of Northern European descent and Asian women.