The posterior pituitary
A) is composed of nervous tissue
B) stores anterior pituitary hormones, which are released into the blood upon hypothalamic stimulation
C) synthesizes and secretes vasopressin and oxytocin
D) is composed of nervous tissue and synthesizes and secretes vasopressin and oxytocin
E) has all of the above characteristics
Correct Answer:
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Q38: A hormone's effective plasma concentration can be
Q39: Which hormones use second-messenger systems?
A)proteins
B)catecholamines
C)steroids
D)thyroid hormone
E)Both c
Q40: In one kind of second-messenger system,
A)a small
Q41: Melatonin's actions may include
A)regulation of circadian rhythms
B)antioxidant
Q42: Which structure(s) is/are neuroendocrine in nature?
A)anterior pituitary
B)posterior
Q44: Select the incorrect association.
A)adrenal medulla/vasopressin
B)anterior pituitary/adenohypophysis
C)epinephrine/catecholamine
D)insulin/polypeptide
E)posterior pituitary/neurohypophysis
Q45: Melatonin is an antioxidant that
A)accelerates metabolism
B)defends against
Q46: Which of the following hormones secreted by
Q47: Synergism occurs when
A)one hormone induces the loss
Q48: The posterior pituitary
A)secretes ADH
B)stores anterior pituitary hormones
C)stores
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