Which statement best describes the scientific rationale for administering calcitonin (Calcimar) to a client diagnosed with osteoporosis? 1. It blocks estrogen receptors in the uterus and breast. 2. It...

Which statement best describes the scientific rationale for administering calcitonin (Calcimar) to a client diagnosed with osteoporosis?

1. It blocks estrogen receptors in the uterus and breast.

2. It inhibits bone reabsorption by suppressing osteoclast activity.

3. It increases bone density and reduces the risk of vertebral fractures.

4. It increases the progesterone and estrogen levels in the blood.