Calcitonin is produced by the
A. thyroid gland.
B. adrenal medulla.
C. parathyroid glands.
D. anterior pituitar
Answer: A. thyroid gland.
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When does fertilization usually occur?
A. As soon as the egg erupts from the ovary B. Within two hours of ovulation C. Within the first 24 hours of ovulation D. Not before 48 hours after ovulation E. The event is too variable for us to predict a specific time frame.
The hormone that the pineal gland secretes is
A. melatonin. B. myostatin. C. beta endorphin. D. melanoma.
Which type of chemical reaction will absorb more energy than it releases?
a) exergonic b) endergonic c) potential d) kinetic e) activation
In the kidney, the process by which fluid and solutes from the tubular fluid are reclaimed and returned to the blood is called tubular ____________________.
Fill in the blank(s) with the appropriate word(s).