The structure that secretes both enzymes and hormones is
a) adrenal gland
b) parathyroid
c) estrogen
d) pancreas
The hypothalamus produces thyrotropic releasing factor (TRF)
TRF stimulates the pituitary to produce thyroid stimulating hormone (TSH)
TSH stimulates the thyroid gland to produce thyroxin.
An excess of thyroxine should result in feedback to the
a) pituitary, which increases the production of TSH
b) hypothalamus, which decreases the production of TRF
c) thyroid, which decreases the production of thyroxin
d) hypothalamus, which decreases the production of TSH
In response to low blood pressure, the kidney produces substance M, which in turn causes the adrenal cortex to produce substance N. the presence of substance N results in the reabsorption of substance Q and water into the blood. the reabsorption of water compensates for the low blood pressure. substance Q is most likely
a) sodium ions
b) ADH
c) aldosterone
d) adrenalin
Rapid weight gain, tiredness, and puffy skin in humans may be caused by
a) increased LH secretion
b) decreased glucagon secretion
c) decreased thyroxine secretion
d) increased insulin production
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