Question 1

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) None of the above
F) A) and C)

Question 2

A hormone is a ______ and the target cell is __________.

Accepted Answer

A)  protein that stimulates other cells;the source of hormone secretions
B)  regulatory molecule that controls secretions of other cells;a cell that synthesizes hormones
C)  molecule that has a metabolic effect on another cell;a cell that has receptors for specific hormones
D)  molecule;a cell that does not have receptorsE) None of the above
F) A) and C)

Question 3

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 B)
F) A) and C)

Question 4

Nerve fibers in the posterior lobe of the pituitary gland secrete

Accepted Answer

A)  thyroid-stimulating hormone.
B)  adrenocorticotropic hormone.
C)  growth hormone.
D)  antidiuretic hormone.E) A) and D)
F) A) and B)

Question 5

In addition to a drop in blood calcium concentration,a symptom of hypoparathyroidism is

Accepted Answer

A)  a rise in vitamin D concentration.
B)  increased PTH secretion.
C)  muscle cramps.
D)  kidney stones.E) None of the above
F) B) and D)

Question 6

Addison disease

Accepted Answer

A)  lowers blood pressure.
B)  decreases blood sodium levels.
C)  increases blood potassium levels.
D)  all of the above.E) A) and D)
F) All of the above

Question 7

A hormone whose effects last a long time has a ____ half-life.

Accepted Answer

The answer of A hormone whose effects last a long...

Question 8

The _______ secretes triiodothyronine.

Accepted Answer

A)  adrenal gland
B)  pancreas
C)  parathyroid gland
D)  thyroid glandE) B) and C)
F) All of the above

Question 9

Calcitonin is produced in the ______ gland

Accepted Answer

The answer of Calcitonin is produced in the ______ gland...

Question 10

Irving,who is 78 years old,takes human growth hormone supplements to regain the strength of his youth.He may be disappointed,because the hormone has been shown only to

Accepted Answer

A)  increase the red blood cell supply.
B)  decrease fat and increase muscle mass,but not improve strength.
C)  make him urinate more often.
D)  increase his risk of cancer.E) A) and B)
F) None of the above

Question 11

The blood concentration of growth hormone

Accepted Answer

A)  rises in females after menopause.
B)  varies greatly in males during adulthood.
C)  drops at puberty and rises after adolescence.
D)  rises at puberty and levels off after adolescence.E) B) and D)
F) None of the above

Question 12

All hormones are

Accepted Answer

A)  steroids.
B)  proteins.
C)  inorganic compounds.
D)  organic compounds.E) A) and D)
F) B) and C)

Question 13

Glucagon is also called hypoglycemic factor.

Accepted Answer

A) True 
 B)False

Question 14

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) None of the above
F) A) and D)

Question 15

Hormones from the adrenal medulla increase

Accepted Answer

A)  blood pressure.
B)  heart rate.
C)  breathing rate.
D)  all of the above.E) A) and B)
F) B) and D)

Question 16

Cells of the adrenal medulla are closely associated with preganglionic fibers of the parasympathetic division of the autonomic nervous system.

Accepted Answer

A) True 
 B)False

Question 17

Jerry drinks a few beers and soon has to urinate.The alcohol has

Accepted Answer

A)  inhibited secretion of ADH.
B)  stimulated secretion of ADH.
C)  inhibited secretion of ACTH.
D)  stimulated secretion of ACTH.E) A) and B)
F) B) and C)

Question 18

__________ controls hormone concentrations.

Accepted Answer

A)  Positive feedback
B)  Negative feedback
C)  Muscle contraction
D)  Exposure to sunE) C) and D)
F) A) and D)

Question 19

The hormone that stimulates the release of growth hormone is called ______ ______-______ ______.

Accepted Answer

growth hor...

Question 20

Growth hormone signals the release of

Accepted Answer

A)  TGF.
B)  PTH.
C)  IGF-1.
D)  FSH.E) B) and C)
F) A) and D)

Exam 13: Endocrine System

Calcitonin is produced in the ______ gland

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Hormones from the adrenal medulla increase

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All hormones are

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A hormone is a ______ and the target cell is __________.

Correct AnswerverifiedShow Answer

Addison disease

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Growth hormone signals the release of

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A hormone whose effects last a long time has a ____ half-life.

Correct AnswerverifiedShow Answer

In addition to a drop in blood calcium concentration,a symptom of hypoparathyroidism is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Irving,who is 78 years old,takes human growth hormone supplements to regain the strength of his youth.He may be disappointed,because the hormone has been shown only to

Correct AnswerverifiedShow Answer

__________ controls hormone concentrations.

Correct AnswerverifiedShow Answer

Nerve fibers in the posterior lobe of the pituitary gland secrete

Correct AnswerverifiedShow Answer

The _______ secretes triiodothyronine.

Correct AnswerverifiedShow Answer

Glucagon is also called hypoglycemic factor.

Correct AnswerverifiedShow Answer

Thyroxine

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

Correct AnswerverifiedShow Answer

Jerry drinks a few beers and soon has to urinate.The alcohol has

Correct AnswerverifiedShow Answer

Cells of the adrenal medulla are closely associated with preganglionic fibers of the parasympathetic division of the autonomic nervous system.

Correct AnswerverifiedShow Answer

The blood concentration of growth hormone

Correct AnswerverifiedShow Answer

The hormone that stimulates the release of growth hormone is called ______ ______-______ ______.

Correct Answerverifiedgrowth hor...View AnswerShow Answer

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A hormone is a and the target cell is ____.

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The hormone that stimulates the release of growth hormone is called - .

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growth hor...
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