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37 Cards in this Set

  • Front
  • Back
19 Corticosteroids are produced in the adrenal medulla.

A) True


B) False
B) False
23 Hydrophilic hormones require a transport protein to travel in blood.

A) True


B) False
B) False
24 Target cells can change the number of receptors for a hormone.

A) True


B) False
A) True
5 CORRECT Glucocorticoids are secreted by the adrenal medulla under the influence of ACTH (p. 653)

A) True


B) False
B) False
6 CORRECT The heart secretes a hormone. (p. 658)

A) True


B) False
A) True
7 Steroid hormones bind to plasma membrane receptors and act through second messenger systems. (pp. 663-666)

A) True


B) False
B) False
14 Driving in congested traffic may cause release of which of these pituitary hormones?

A) ADH


B) ACTH


C) TSH


D) GH
B) ACTH
8 CORRECT Cells that have a receptor for a specific hormone are called target cells.

A) True


B) False
A) True
10 The pituitary gland is also called the hypothalamus.

A) True


B) False
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
D) communicates with electrical signals
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
B) False
15 Which of the following pituitary hormones stimulates the testes to secrete testosterone?

A) FSH


B) LH


C) TSH


D) GH
B) LH
13 Development of eggs and sperm production are stimulated by leutinizing hormone.

A) True


B) False
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
D) pituitary-pineal axis
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
C) antidiuretic 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
A) growth 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
D) acromegaly
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
A) somatostatin
16 Which gland is associated with serotonin and melatonin production?

A) pineal


B) thymus


C) thyroid


D) adrenal
A) pineal
17 Which gland secretes calcitonin and a hormone that stimulates ATP production?

A) pineal gland


B) thymus


C) thyroid gland


D) adrenal gland
C) thyroid 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
A) bone resorption and renal calculi
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
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
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
B) melatonin
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
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.


Feedback: correct answer
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
B) paracrine
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
A) antidiuretic hormone
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
B) rising concentrations of GHRH
30 CORRECT A lack of antidiuretic hormone will lead to:

A) acromegaly


B) dwarfism


C) diabetes insipidus


D) endemic goiter


E) diabetes mellitus
C) diabetes insipidus
31 Too little iodine intake will lead to:

A) seasonal affective disorder


B) Addison disease


C) diabetes insipidus


D) endemic goiter


E) pituitary giantism
D) endemic goiter
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
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
D) insulin
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
B) due to an autoimmune response
35 This hormone raises blood calcium levels:

A) glucagon


B) aldosterone


C) angiotensin I


D) parathyroid hormone


E) calcitonin
D) parathyroid hormone
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
B) up-regulation
37 Aspirin will specifically block the synthesis of this type of local hormone:

A) prostaglandin


B) hydrocortisone


C) arachidonic acid


D) serotonin


E) melatonin
A) prostaglandin