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1
Which of the following is released from the posterior pituitary gland? (p. 643)
A)growth hormone
B)prolactin
C)antidiuretic hormone
D)follicle stimulating hormone
E)thyroid stimulating hormone
2
Which of the following is not a tropic hormone? (pp. 643-644)
A)growth hormone
B)thyroid stimulating hormone
C)follicle stimulating hormone
D)luteinizing hormone
E)adrenocorticotropic hormone
3
Pituitary hypersecretion in adulthood will result in this disease: (pp. 647-648, 650, 654-656)
A)diabetes mellitus
B)diabetes insipidus
C)myxedema
D)acromegaly
E)gigantism
4
The synthesis of which of the following paracrine substances will be least affected by the daily administration of steroids? (pp. 654, 671-673)
A)somatostatin
B)leukotrienes
C)prostacyclin
D)prostaglandins
E)thromboxanes
5
Glucocorticoids are secreted by the adrenal medulla under the influence of ACTH (p. 653)
A)True
B)False
6
The heart secretes a hormone. (p. 658)
A)True
B)False
7
Steroid hormones bind to plasma membrane receptors and act through second messenger systems. (pp. 663-666)
A)True
B)False
8
Cells that have a receptor for a specific hormone are called target cells.
A)True
B)False
9
Compared to the nervous system, which of the following is not characteristic of the endocrine system?
A)reacts slowly to a stimulus
B)produces a longer lasting response to a stimulus
C)adapts quickly to a continual stimulus
D)communicates with electrical signals
10
The pituitary gland is also called the hypothalamus.
A)True
B)False
11
The hypothalamo-hypophyseal tract is composed of axons of hypothalamic neurons that end in the anterior lobe of the pituitary gland.
A)True
B)False
12
Which of the following is not an important pathway of control between endocrine glands?
A)pituitary-gonadal axis
B)pituitary-thyroid axis
C)pituitary-adrenal axis
D)pituitary-pineal axis
13
Development of eggs and sperm production are stimulated by leutinizing hormone.
A)True
B)False
14
Driving in congested traffic may cause release of which of these pituitary hormones?
A)ADH
B)ACTH
C)TSH
D)GH
15
Which of the following pituitary hormones stimulates the testes to secrete testosterone?
A)FSH
B)LH
C)TSH
D)GH
16
Which gland is associated with serotonin and melatonin production?
A)pineal
B)thymus
C)thyroid
D)adrenal
17
Which gland secretes calcitonin and a hormone that stimulates ATP production?
A)pineal gland
B)thymus
C)thyroid gland
D)adrenal gland
18
Hyperparathyroidism causes which of the following?
A)bone resorption and renal calculi
B)decreased blood calcium and muscle tetany
C)exophthalmos
D)endemic goiter
19
Corticosteroids are produced in the adrenal medulla.
A)True
B)False
20
Estradiol is produced by which of the following?
A)sustentacular cells of the testes
B)interstitial cells of Leydig in the testes
C)islet cells of the pancreas
D)granulosa cells of the ovary
21
Which of the following organs have hormone-secreting cells?
A)kidney
B)heart
C)stomach and small intestine
D)all of the above
22
Which of the following hormones has a specific target organ and does not affect the other tissues of the body?
A)thyroid hormone
B)melatonin
C)epinephrine and norepinephrine
D)corticosterone and cortisol
23
Hydrophilic hormones require a transport protein to travel in blood.
A)True
B)False
24
Target cells can change the number of receptors for a hormone.
A)True
B)False
25
Which of the following concepts explains the fact that target cells do not have a great number of receptors and normal circulating blood concentrations of hormones are very low?
A)hormone specificity
B)hormone saturation
C)hormone half-life
D)enzyme amplification
26
The stress response includes all of the following except the
A)alarm reaction.
B)resistance stage.
C)exhaustion stage.
D)delay stage.
27
Chemical messengers that don't travel in blood but simply diffuse into and affect nearby cells are called ________ secretions.
A)endocrine
B)paracrine
C)exocrine
D)holocrine
28
This hormone, synthesized in the hypothalamus but stored in the posterior lobe of the pituitary, is produced when osmodetectors sense a rise in blood osmolarity:
A)antidiuretic hormone
B)growth hormone
C)thyroid-stimulating hormone
D)prolactin
E)thyroxine
29
Which of the following will not happen with increasing growth hormone?
A)greater protein synthesis
B)rising concentrations of GHRH
C)fat catabolism
D)more glycogen production and storage
E)increase in sodium, potassium, and chloride retention
30
A lack of antidiuretic hormone will lead to:
A)acromegaly
B)dwarfism
C)diabetes insipidus
D)endemic goiter
E)diabetes mellitus
31
Too little iodine intake will lead to:
A)seasonal affective disorder
B)Addison disease
C)diabetes insipidus
D)endemic goiter
E)pituitary giantism
32
An increase in triiodothyronine concentrations would have all of the following effects except:
A)increasing sodium/potassium pump activity
B)rise in oxygen consumption
C)greater heat production
D)more mitochondrial enzymes produced
E)enhanced thyroid stimulating hormone production
33
Which of the following hormones will cause a fall in blood glucose concentrations?
A)parathyroid hormone
B)epinephrine
C)melatonin
D)insulin
E)glucagon
34
Which is true of type I diabetes mellitus?
A)make cardiovascular problems less likely
B)due to an autoimmune response
C)can often be controlled by diet and exercise alone
D)usually appears first when a person is older
E)never causes blindness
35
This hormone raises blood calcium levels:
A)glucagon
B)aldosterone
C)angiotensin I
D)parathyroid hormone
E)calcitonin
36
When a small amount of a hormone causes the target cells to produce more receptors, it is called:
A)down-regulation
B)up-regulation
C)amplification
D)cascade effect
E)epistasy
37
Aspirin will specifically block the synthesis of this type of local hormone:
A)prostaglandin
B)hydrocortisone
C)arachidonic acid
D)serotonin
E)melatonin





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