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Experiment Results Essay Predict Question 1: What effect will the saline injections have on the control rats vertebral bone density? Your answer : a. The saline injections will increase the rats vertebral bone density (indicated by a less-negative T score). Predict Question 2: What effect will the estrogen injections have on the estrogen-treated rats vertebral bone density? Your answer : a. The estrogen injections will increase the rats vertebral bone density (indicated by a less-negative T score). Predict Question 3: What effect will the calcitonin injections have on the calcitonin-treated rats vertebral bone density? Your answer : a. The calcitonin injections will increase the rats vertebral bone density (indicated by a less-negative T score). You scored 100% by answering 4 out of 4 questions correctly. 1. Saline injections were used in this experiment to measure the effect of You correctly answered: c. a placebo on bone density. 2. In the ovariectomized rats used in this experiment You correctly answered: d. osteoporosis was evident prior to the injections of estrogen. 3. Injection of calcitonin into an ovariectomized rat will You correctly answered: b. inhibit osteoclast activity and stimulate calcium uptake and deposition in long bones. 4. As the rats bone density increases You correctly answered: a. the X-ray scanning assay reports a less-negative T-score.