Question 1

The _______ secretes triiodothyronine.

Accepted Answer

A)   adrenal gland
B)   pancreas
C)   parathyroid gland
D)   thyroid glandE) B) and C)
F) A) and B)

Question 2

Graves disease, the most common form of hyperthyroidism, is caused by

Accepted Answer

A)   a lack of iodine.
B)   an excess of iodine.
C)   an improper diet.
D)   an autoimmune disorder.E) A) and D)
F) A) and C)

Question 3

Target cells for releasing hormones are in the

Accepted Answer

A)   hypothalamus.
B)   anterior pituitary gland.
C)   posterior pituitary gland.
D)   thyroid gland.E) All of the above
F) A) and D)

Question 4

Thyroxine

Accepted Answer

A)   reduces the rate at which carbohydrates are utilized.
B)   enhances the rate at which proteins are synthesized.
C)   inhibits responses of the nervous system.
D)   inhibits the rate at which calcium enters body fluids.E) A) and D)
F) B) and D)

Question 5

Steroid hormones diffuse through cell membranes, then bind with receptors, whereas nonsteroid hormones bind receptors on the target cell membrane.

Accepted Answer

A) True 
 B)False

Question 6

"Endocrine" means

Accepted Answer

A)   hormone synthesis.
B)   internal secretion.
C)   acts upon target cells.
D)   fast-acting compound.E) A) and B)
F) B) and D)

Question 7

Cushing syndrome

Accepted Answer

A)   is caused by hypersecretion of cortical hormones.
B)   decreases tissue protein.
C)   elevates sodium concentrations.
D)   all of the above.E) None of the above
F) A) and D)

Question 8

The ______ gland is located deep between the cerebral hemispheres attached to the roof of the third ventricle.

Accepted Answer

The answer of The ______ gland is located deep between...

Question 9

Secretions that affect only nearby cells are termed

Accepted Answer

A)   endocrine.
B)   paracrine.
C)   exocrine.
D)   autocrine.E) B) and C)
F) A) and B)

Question 10

The hormone that stimulates calcium deposition into bone is

Accepted Answer

A)   calcitonin.
B)   parathyroid hormone.
C)   thyroxine.
D)   insulin.E) C) and D)
F) B) and C)

Question 11

Secretion of glucagon causes

Accepted Answer

A)   an increase in the formation of fat.
B)   an increase in the permeability of the cell membrane to glucose.
C)   an increase in the concentration of blood glucose.
D)   an increase in glycogen.E) None of the above
F) A) and B)

Question 12

A hormone with an effect that lasts for days would have a

Accepted Answer

A)   short half-life.
B)   no half-life.
C)   long half-life.
D)   whole life.E) A) and B)
F) B) and C)

Question 13

The hormones secreted by the adrenal medulla are amines.

Accepted Answer

A) True 
 B)False

Question 14

The central region of the adrenal gland is the adrenal ______.

Accepted Answer

The answer of The central region of the adrenal gland...

Question 15

A hormone that the adrenal medulla secretes is

Accepted Answer

A)   mineralocorticoid.
B)   glucocorticoid.
C)   aldosterone.
D)   none of the above.E) A) and B)
F) All of the above

Question 16

Steroid hormones

Accepted Answer

A)   are soluble in lipids.
B)   combine with protein receptor molecules.
C)   cause messenger RNA synthesis.
D)   all of the above.E) A) and B)
F) A) and C)

Question 17

Down-regulation of a target cell can occur in response to

Accepted Answer

A)   prolonged decrease in the level of a hormone.
B)   prolonged increase in the level of a hormone.
C)   signals from antagonistic hormone products.
D)   signals from the posterior pituitary.E) A) and B)
F) B) and C)

Question 18

A person under stress may have a lowered resistance to infection.

Accepted Answer

A) True 
 B)False

Question 19

_________ inhibits secretion of prolactin.

Accepted Answer

A)   Dopamine from the hypothalamus
B)   Insulin
C)   Norepinephrine
D)   Growth hormoneE) A) and B)
F) A) and C)

Question 20

Hormones that the posterior pituitary secretes are synthesized in the

Accepted Answer

A)   posterior pituitary.
B)   hypothalamus.
C)   thalamus.
D)   anterior pituitary.E) A) and C)
F) C) and D)

Exam 13: Endocrine System

A person under stress may have a lowered resistance to infection.

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The hormone that stimulates calcium deposition into bone is

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A hormone that the adrenal medulla secretes is

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Secretion of glucagon causes

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Thyroxine

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Steroid hormones diffuse through cell membranes, then bind with receptors, whereas nonsteroid hormones bind receptors on the target cell membrane.

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The ______ gland is located deep between the cerebral hemispheres attached to the roof of the third ventricle.

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A hormone with an effect that lasts for days would have a

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_________ inhibits secretion of prolactin.

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Hormones that the posterior pituitary secretes are synthesized in the

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The _______ secretes triiodothyronine.

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"Endocrine" means

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Graves disease, the most common form of hyperthyroidism, is caused by

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Down-regulation of a target cell can occur in response to

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Cushing syndrome

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Steroid hormones

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The hormones secreted by the adrenal medulla are amines.

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Secretions that affect only nearby cells are termed

Correct AnswerverifiedShow Answer

Target cells for releasing hormones are in the

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The central region of the adrenal gland is the adrenal ______.

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