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Question
Purported beneficial effects of melatonin include all of the following EXCEPT
A. limiting the effects of jet lag.
B. treating insomnia.
C. preventing oxidative damage to cells.
D. increasing weight loss.
Answer
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B. cystic fibrosis
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A. progesterone
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DHEAS travels from the fetal adrenal cortex to the placenta where it is converted into oxytocin.
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arteries
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B. decreased, K+
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Cells synthesizing hydroxyapatite in bones are termed as
A. osteoblasts.
B. osteoclasts.
C. osteocytes.
D. osteosarcoma cells.
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Bone resorption is produced by the action of _____________, which return bone calcium and phosphate to the blood.
A. osteoblasts
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