Multiple Choice
Reduced hormone concentration in the blood often causes target cells to
A) up-regulate receptors in order to increase cell sensitivity.
B) up-regulate receptors in order to decrease cell sensitivity.
C) down-regulate receptors in order to increase cell sensitivity.
D) down-regulate receptors in order to decrease cell sensitivity.
Correct Answer:

Verified
Correct Answer:
Verified
Q9: All hormone secretion is under the direct
Q75: Oxytocin results in more forceful smooth muscle
Q76: Which of the following does not have
Q77: Protein hormones are<br>A) lipid-soluble.<br>B) water-soluble.<br>C) soluble in
Q79: Modified amino acids that act as hormones
Q81: Lipophilic hormones bind to _ receptors of
Q82: When a chemical messenger helps initiate an
Q83: Compared to young adults, the elderly usually
Q84: The two hormones released from the posterior
Q85: In the signal transduction pathway that results