C H A P T E R 3 4
Introduction to the endocrine system
519
BIBLIOGRAPHY
Finlayson, A. & Sanders, S. (2007). (Eds.).
Endocrine and
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Gardner, D. G., Greenspan, F. S. & Shoback, D. M. (Eds.). (2011).
Basic and Clinical Endocrinology
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McGraw-Hill.
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Goodman, L. S., Brunton, L. L., Chabner, B. & Knollmann, B.C.
(2011).
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C H E C K Y O U R U N D E R S T A N D I N G
Answers to the questions in this chapter can be found in
Appendix A at the back of this book.
MULTIPLE CHOICE
Select the best answer to the following.
1.
Which of the following best describes aldosterone?
a.
It causes the loss of sodium and water from the
renal tubules.
b.
It is under direct hormonal control from the
hypothalamus.
c.
It is released into the bloodstream in response to
angiotensin I.
d.
It is released into the bloodstream in response to
high potassium levels.
2.
When explaining the role of antidiuretic hormone
(ADH) to a group of students, which of the
following would the instructor include?
a.
It is produced by the anterior pituitary.
b.
It causes the retention of water by the kidneys.
c.
It is released by the hypothalamus.
d.
It causes the retention of sodium by the kidneys.
3.
The endocrine glands:
a.
form part of the communication system of the
body.
b.
cannot be stimulated by hormones circulating in
the blood.
c.
cannot be viewed as integrating centres of reflex
arcs.
d.
are only controlled by the hypothalamus.
4.
The hypothalamus maintains internal homeostasis
and could be considered the master endocrine gland
because:
a.
it releases stimulating hormones that cause
endocrine glands to produce their hormones.
b.
no hormone-releasing gland responds unless
stimulated by the hypothalamus.
c.
it secretes releasing hormones that are an
important part of the hypothalamic–pituitary
axis.
d.
it regulates temperature control and arousal, as
well as hormone release.
5.
The posterior lobe of the pituitary gland:
a.
secretes a number of stimulating hormones.
b.
produces endorphins to modulate pain
perception.
c.
has no function that has yet been identified.
d.
stores ADH and oxytocin, which are produced in
the hypothalamus.
6.
After teaching a group of students about the
negative feedback system, identification of which of
the following as an example would indicate that the
students have understood the teaching?
a.
growth hormone control
b.
prolactin control
c.
melanocyte-stimulating hormone control
d.
thyroid hormone control
7.
Internal body homeostasis and communication are
regulated by:
a.
the cardiovascular and respiratory systems.
b.
the nervous and cardiovascular systems.
c.
the endocrine and nervous systems.
d.
the endocrine and cardiovascular systems.
