PhysioEx Exercise 4 Act 3
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Injection of calcitonin into an ovariectomized rat will
Inhibit osteoclast activity and stimulate calcium uptake and deposition in long bones.
Which of the following statements is true?
The ovaries stop secreting estrogen after menopause.
Saline injections were used in this experiment to measure the effect of
a placebo on bone density.
Calcitonin
works against the development of osteoporosis.
Follicle-stimulating hormone (FSH)
stimulates ovarian follicle development.
As the rat's bone density increases
the X-ray scanning assay reports a less-negative T-score.
Estrogen
is produced by developing ovarian follicles.
In the ovariectomized rats used in this experiment
osteoporosis was evident prior to the injections of estrogen.
