Chapter 37: Q. 28 (page 1079)
Describe one direct action of growth hormone (GH).
Growth hormone is an essential hormone that governs various critical physiological processes, including growth and metabolism.
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A new antagonist molecule has been discovered that
binds to and blocks plasma membrane receptors. What
effect will this antagonist have on testosterone, a steroid
hormone?
a. It will block testosterone from binding to its
receptor.
b. It will block testosterone from activating cAMP
signaling.
c. It will increase testosterone-mediated signaling.
d. It will not affect testosterone-mediated signaling.
Which class of hormones can diffuse through plasma
membranes?
a. lipid-derived hormones
b. amino acid-derived hormones
c. peptide hormones
d. glycoprotein hormones
Drinking alcoholic beverages causes an increase in urine
output. This most likely occurs because alcohol:
a. inhibits ADH release.
b. stimulates ADH release.
c. inhibits TSH release.
d. stimulates TSH release.
Where is insulin stored, and why would it be released?
Hyperthyroidism is a condition in which the thyroid gland is overactive. Hypothyroidism is a condition in which the thyroid gland is underactive. Which of the conditions are the following two patients most likely to have?
Patient A has symptoms including weight gain, cold sensitivity, low heart rate, and fatigue.
Patient B has symptoms including weight loss, profuse sweating, increased heart rate, and difficulty sleeping.
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