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NR 507 Week 5 Quiz
Aldosterone synthesis and secretion are primarily regulated by the (Points :
2)
liver.
renin-angiotensin-aldosterone system.
adrenal glands.
hypothalamus.
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 stimulates hypothalamus-releasing
factor, which acts on the anterior pituitary gland to secrete thyroid-
stimulating hormone (TSH) and stimulates the release of thyroxine (T4) and
triiodothyronine (T3).
The central nervous system directly stimulates the release of insulin,
which reduces blood glucose levels.
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.
The central nervous system stimulates the hypothalamus to
synthesize oxytocin and antidiuretic hormone, which are secreted by the
posterior pituitary, activating uterine contraction and renal absorption of
water.
What effect does aldosterone have on fluid and electrolyte
imbalances? (Points : 2)
It directly increases magnesium reabsorption.
It directly increases calcium reabsorption.
It directly increases sodium reabsorption.
It directly increases water reabsorption.
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What effect does hyperphosphatemia have on other electrolytes? (Points : 2)
It increases serum calcium.
It decreases serum calcium.
It decreases serum magnesium.
It increases serum magnesium.
Where is oxytocin synthesized? (Points : 2)
Hypothalamus
Paraventricular nuclei
Anterior pituitary
Posterior pituitary
Which mineral is needed for the synthesis of thyroid hormones? (Points : 2)
Iron
Zinc
Iodide
Copper
The portion of the pituitary that secretes oxytocin is the _____
pituitary. (Points : 2)
posterior
inferior
anterior
superior
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)
pharmacologic
permissive
synergistic
direct
Which of the following hormones acts on its target cell via a second
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NR 507 Week 5 Quiz
Aldosterone synthesis and secretion are primarily regulated by the (Points :
2)
liver.
renin-angiotensin-aldosterone system.
adrenal glands.
hypothalamus.
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 stimulates hypothalamus-releasing
factor, which acts on the anterior pituitary gland to secrete thyroid-
stimulating hormone (TSH) and stimulates the release of thyroxine (T4) and
triiodothyronine (T3).
The central nervous system directly stimulates the release of insulin,
which reduces blood glucose levels.
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.
The central nervous system stimulates the hypothalamus to
synthesize oxytocin and antidiuretic hormone, which are secreted by the
posterior pituitary, activating uterine contraction and renal absorption of
water.
What effect does aldosterone have on fluid and electrolyte
imbalances? (Points : 2)
It directly increases magnesium reabsorption.
It directly increases calcium reabsorption.
It directly increases sodium reabsorption.
It directly increases water reabsorption.
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What effect does hyperphosphatemia have on other electrolytes? (Points : 2)
It increases serum calcium.
It decreases serum calcium.
It decreases serum magnesium.
It increases serum magnesium.
Where is oxytocin synthesized? (Points : 2)
Hypothalamus
Paraventricular nuclei
Anterior pituitary
Posterior pituitary
Which mineral is needed for the synthesis of thyroid hormones? (Points : 2)
Iron
Zinc
Iodide
Copper
The portion of the pituitary that secretes oxytocin is the _____
pituitary. (Points : 2)
posterior
inferior
anterior
superior
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)
pharmacologic
permissive
synergistic
direct
Which of the following hormones acts on its target cell via a second
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