1. Choose the
statement about steroid
hormones that is 'incorrect.
A. Steroids
are lipids with complex ring structures.
B. Steroids
can pass through their target cell membrane and interact with receptors in the nucleus.
C. Steroids
employ first and second
messengers that amplify the cellular
response.
D. The
estrogens and testosterone are examples
of steroid hormones.
2. Prostaglandins are ............... substances
that regulate neighboring cells.
A. endocrine
B. paracrine
C. eksocrine
D. glycoprotein
3. Cyclic AMP functions as a(n)............... for..........
hormones.
A. binding site;
nonsteroid
B. membrane
receptor; steroid
C. activity site;
G protein
D. second messenger; nonsteroid
4. Which of these
is not a method the body
uses to regulate its hormonal
releases?
A. negative
feedback
B. direct nervous stimulation
C. release of tropic
hormones
D. degradation
of the endocrine gland
5. Where
are the posterior pituitary
hormones manufactured?
A. in
neurosecretory cells that originate in
the hypothalamus
B. in
the posterior pituitary
C. in
the anterior pituitary
D. in
the brain stem
6. There
are several types of cells in the anterior pituitary. Which ones secrete
growth hormone?
A. mammatropes
B. gonadotropes
C. corticotropes
a. somatotropes
7. Which one of these anterior pituitary hormones shows increased secretion in response to stress?
A. thyroid-stimulating hormone
B. adrenocorticotropic
hormone
C. luteinizing
hormone
D. prolactin
8. Drinking alcoholic beverages on hot days
is not safe because alcohol inhibits
the release of ................, helps to conserve water during
dehydration.
A. antidiuretic
hormone
B. oxytocin
C. thyroxine
D. triiodothyronine
9. The thyroid
hormones are responsible for regulating metabolic rate and calcium and phosphate ion concentration
in the blood. Which thyroid hormone lowers calcium and phosphate ion concentration in
the blood?
A. thyroxine
B. triiodothyronine
C. calcitonin
D. thyroid-stimulating hormone
10. Hypothyroidism in infants can result
in _
A.
Grave's disease
B.
Cretinism
C.
Hashimoto's disease
D.
Myxedema
11. The hormone
............. , which is secreted
by the adrenal ........ , causes
the kidney to
conserve sodium and excrete potassium ions and indirectly helps to maintain systemic blood pressure.
A.
aldosterone; cortex
B.
angiotensin I; medulla
C.
cortisol; cortex
D.
epinephrine; medulla
12. Sex hormones are secreted by _
A.
all endocrine tissues of the
body
B.
the
inner cortex of the
adrenal medulla
C.
the
inner cortex of the
adrenal medulla and the gonads
D.
the
gonads
13. In the
pancreas .............................. cells secrete insulin,
which ............. blood levels
of glucose.
A.
delta;
raises
B.
alpha;
lowers
C.
beta;
raises
D.
beta;
lowers
14. What
seems to be the cause
of juvenile-onset or insulin-dependent diabetes mellitus (lDDM)?
A. The
receptors on the target cells become no
longer responsive to insulin.
B. Immune
cells attack the pancreas that
can then no longer produce insulin.
C. The
individual consumes too much sugar,
which causes an overload in the
bloodstream.
D. Obesity seems
to be the most
common cause of IDDM.
15. ------------
The endocrine gland responsible
for the body's circadian rhythm is the gland
A.
thymus
B.
pineal
C.
parathyroid
D.
pituitary
16. Which of these 'is not an endocrine property?
A.
hormones reach targets through the
blood
B.
effects are slow
and cyclic
C.
rapid
acting effects
D.
effects caused
by chemicals
17. Which of these
does not belong
with the others?
A.
protein
B.
peptide
C.
amino
acid
D.
steroid
18. ............... In the
"second messenger" theory,
which is the first
messenger?
A. cAMP
B. hormone
C. enzyme
D. receptor
19. Which of these
is not an endocrine gland?
A.
pancreas
B.
testes
C.
salivary gland
D.
parathyroid
20. Which not
a function of the hypothalamus?
A. affect heart
rate
B. control temperature
C. affect water
balance
D. secrete FSH
21. Which of these
hormones is made by the posterior pituitary?
A.
FSH
B.
LH
C.
ACTH
D.
ADH
22. Which hormone directly affects
blood pressure?
A. ADH
B. Insulin
C. PTH
D. ACTH
23. The hormone.................... causes
the contractions of labor.
A.
prolactin
B.
estrogen
C.
oxytocin
D.
progesterone
24. Which hormone has the greatest
influence on the ability to secrete milk?
A. oxytocin
B. estrogen
C. prolactin
D. progesterone
25. Which hormone causes excessive skeletal growth or giantism?
A.
somatotropin
B.
testosterone
C.
insulin
D.
somatostatin
26. Which of these
does not directly
stimulate the gonads?
A. FSH
B. TSH
C. LH
D. ICSH
27. Which hormone has the greatest
effect on metabolism?
A.
GH
B.
Thyroxine
C.
TSH
D.
ACTH
