NR 507 WEEK 5 QUIZ QUESTIONS AND
ANSWERS
Aldosterone synthesis and secretion are primarily regulated by the (Points : 2)
renin-angiotensin-aldosterone system.
A surgical individual just arrived on the unit from the postanesthesia care unit. This person’s respirations are 4 per
minute and shallow. As the nurse calls for assistance, the person suddenly feels jittery and breathing quickens.
Which of the following feedback loops is operating for the nurse in this situation? (Points : 2)
The central nervous system directly stimulates the adrenal medulla to secrete epinephrine and stimulates
hypothalamus-releasing factor, which acts on the anterior pituitary gland to secrete adrenocorticotropic-
stimulating hormone (ACTH), stimulating the release of cortisol.
What effect does aldosterone have on fluid and electrolyte imbalances? (Points : 2
It directly increases sodium reabsorption.
What effect does hyperphosphatemia have on other electrolytes? (Points : 2)
It decreases serum calcium.
Where is oxytocin synthesized? (Points : 2)
Posterior pituitary
Which mineral is needed for the synthesis of thyroid hormones? (Points : 2)
Iodide
The portion of the pituitary that secretes oxytocin is the _____ pituitary. (Points : 2)
posterior
When insulin binds its receptors on muscle cells, an increase in glucose uptake by the muscle cells is the result.
This is an example of a _____ effect by a hormone. (Points : 2)
direct
Which of the following hormones acts on its target cell via a second messenger? (Points : 2)
Angiotensin II
Target cells for parathyroid hormone (PTH) are located in the (Points : 2)
ANSWERS
Aldosterone synthesis and secretion are primarily regulated by the (Points : 2)
renin-angiotensin-aldosterone system.
A surgical individual just arrived on the unit from the postanesthesia care unit. This person’s respirations are 4 per
minute and shallow. As the nurse calls for assistance, the person suddenly feels jittery and breathing quickens.
Which of the following feedback loops is operating for the nurse in this situation? (Points : 2)
The central nervous system directly stimulates the adrenal medulla to secrete epinephrine and stimulates
hypothalamus-releasing factor, which acts on the anterior pituitary gland to secrete adrenocorticotropic-
stimulating hormone (ACTH), stimulating the release of cortisol.
What effect does aldosterone have on fluid and electrolyte imbalances? (Points : 2
It directly increases sodium reabsorption.
What effect does hyperphosphatemia have on other electrolytes? (Points : 2)
It decreases serum calcium.
Where is oxytocin synthesized? (Points : 2)
Posterior pituitary
Which mineral is needed for the synthesis of thyroid hormones? (Points : 2)
Iodide
The portion of the pituitary that secretes oxytocin is the _____ pituitary. (Points : 2)
posterior
When insulin binds its receptors on muscle cells, an increase in glucose uptake by the muscle cells is the result.
This is an example of a _____ effect by a hormone. (Points : 2)
direct
Which of the following hormones acts on its target cell via a second messenger? (Points : 2)
Angiotensin II
Target cells for parathyroid hormone (PTH) are located in the (Points : 2)
