,12/1/24, 3:44 PM NURS 611 EXAM 3 PATHO ACTUAL EXAM COMPLETE 400 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATION…
What imbalance lessens A. The overall effect of parathyroid hormone (PTH)is
the rate of secretion of to increase serum calcium and to decrease serum
parathyroid hormone phosphate concentration. The other presented
(PTH)? imbalances will not affect PTH in the described
a.Increased serum calcium fashion.
levels
b.Decreased serum
magnesium levels
c.Decreased levels of
thyroid-stimulating
hormone
d.Increased levels of
thyroid-stimulating
hormone
Regulation of the release c. The release of hormones occurs either in response
of catecholamines from to an alteration in the cellular environment or in the
the adrenal medulla is an process of maintaining a regulated level of certain
example of which type of hormones or certain substances. Several different
regulation? mechanisms, one of which is neural control (e.g.,
a.Negative feedback stress-induced release of catecholamines from the
c.Neural adrenal medulla), regulate the release of hormones.
b.Positive feedback The remaining options do not accurately describe the
d.Physiologic example given.
,12/1/24, 3:44 PM NURS 611 EXAM 3 PATHO ACTUAL EXAM COMPLETE 400 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATION…
How does a faulty D. Negative-feedback systems are important in
negative-feedback maintaining hormones within physiologic ranges. The
mechanism result in a lack of negative-feedback inhibition on hormonal
hormonal imbalance? release often results in pathologic conditions.
a.Hormones are not Excessive hormone production, which is the result of
synthesized in response to the failure to turn off the system, can cause various
cellular and tissue hormonal imbalances and related conditions. The
activities. correct option is the only accurate description of this
b.Decreased hormonal hormonal function.
secretion is a response to
rising hormone levels.
c.Too little hormone
production is initiated.
d.Excessive hormone
production results from a
failure to turn off the
system.
Which substance is a D. Peptide or protein hormones, such as insulin,
water-soluble protein pituitary, hypothalamic, and parathyroid, are water
hormone? soluble and circulate in free (unbound) forms. All the
a.Thyroxine remaining options are fat-soluble hormones.
c.Follicle-stimulating
hormone
b.Aldosterone
d.Insulin
Which of the following is a A
lipid-soluble hormone? Cortisol and adrenal androgens are lipid-soluble
a.Cortisol hormones and are primarily bound to a carrier or
c.Epinephrine transport protein in circulation. The other options are
b.Oxytocin water-soluble hormones.
d.Growth hormone
, 12/1/24, 3:44 PM NURS 611 EXAM 3 PATHO ACTUAL EXAM COMPLETE 400 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATION…
Most protein hormones B
are transported in the Peptide or protein hormones, such as insulin, pituitary,
bloodstream and are: hypothalamic, and parathyroid, are water soluble and
a.Bound to a lipid-soluble circulate in free (unbound) forms. The other options
carrier are not true statements related to the transport of
b.Free in an unbound, protein hormones.
water-soluble form
c.Bound to a water
soluble-binding protein
d.Free because of their
lipid-soluble chemistry
when insulin binds its D
receptors on muscle cells, Direct effects are the obvious changes in cell function
an increase in glucose that specifically result from the stimulation by a
uptake by the muscle cells particular hormone. The other options are not used to
is the result. This is an identify the described effect.
example of what type of
effect by a hormone?
a.Pharmacologic
c.Synergistic
b.Permissive
d.Direct
B
Feedback systems provide precise monitoring and
8. Thyroid-stimulating
control of the cellular environment. Negative
hormone (TSH) is released
feedback occurs because the changing chemical,
to stimulate thyroid
neural, or endocrine response to a stimulus negates
hormone (TH) and is
the initiating change that triggered the release of the
inhibited when plasma
hormone. Thyrotropin-releasing hormone (TRH) from
levels of TH are adequate.
the hypothalamus stimulates TSH secretion from the
This is an example of:
anterior pituitary. Secretion of TSH stimulates the
a.Positive feedback
synthesis and secretion of THs. Increasing levels of T4
c.Neural regulation
and triiodothyronine (T3) then generate negative
b.Negative feedback
feedback on the pituitary and hypothalamus to inhibit
d.Physiologic regulation
TRH and TSH synthesis. The described example is not
accurately identified by any of the other options.
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