The nurse, caring for a patient experiencing stress, knows that activation of the stress reaction will cause the release of what?
A) Glucose
B) Aldosterone
C) Adrenocorticotropic hormone (ACTH)
D) Oxytocin
C
Feedback:
Activation of the stress reaction through the sympathetic nervous system bypasses the usual diurnal rhythm and causes release of ACTH and secretion of the adrenocortical hormones—an important aspect of the stress ("fight-or-flight") response. Glucose will eventually be released to supply energy, but first ACTH and adrenocortical hormones must stimulate this response. Aldosterone can be released without ACTH stimulation when the blood surrounding the adrenal gland is high in potassium. This is a direct stimulus for aldosterone release. Oxytocin is released to promote the let-down reflex in the lactating woman and to stimulate uterine contractions but is not involved in the stress response.
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