Question 1

The sex hormones from the adrenal cortex are primarily androgens.

Accepted Answer

A) True 
 B)False

Question 2

A nonsteroid hormone acts on a target cell by

Accepted Answer

A)   causing synthesis of a second messenger.
B)   stimulating cell division.
C)   promoting phagocytosis.
D)   directly causing protein synthesis.

Question 3

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 4

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. B

Question 5

A steroid hormone acts on a target cell by

Accepted Answer

A)   causing a second messenger to be formed.
B)   causing the cell to divide.
C)   promoting phagocytosis.
D)   directly causing protein synthesis.

Question 6

_______ secretions affect the cell that secretes them.

Accepted Answer

The answer of _______ secretions affect the cell that secretes...

Question 7

Nonsteroid hormones cause _________________ in their target cells.

Accepted Answer

A)   cyclic AMP to become ATP
B)   cyclic AMP to be decomposed
C)   activation of adenylate cyclase
D)   inactivation of adenylate cyclase

Question 8

As a result of the general stress response, blood concentrations of epinephrine

Accepted Answer

A)   rise and cortisol fall.
B)   fall and cortisol rise.
C)   and cortisol rise.
D)   and cortisol fall.

Question 9

Cortisol

Accepted Answer

A)   increases the permeability of capillary walls.
B)   increases the permeability of lysosomal membranes.
C)   stimulates the production of glucose from noncarbohydrates.
D)   promotes the storage of amino acids in the form of proteins. C

Question 10

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.

Question 11

In diabetes mellitus,

Accepted Answer

A)   fatty acids and ketone bodies accumulate in the blood if untreated.
B)   insulin must be taken or drugs given that help the body to utilize insulin.
C)   the pancreas cannot produce insulin or the body cannot respond to it.
D)   all of the above.

Question 12

Athletes abuse erythropoietin (EPO)  because this hormone

Accepted Answer

A)   decreases the number of red blood cells.
B)   increases the number of white blood cells.
C)   increases the number of red blood cells.
D)   adds protein to plasma.

Question 13

A person who is stressed usually has increased

Accepted Answer

A)   activity of the spleen and other lymphatic organs.
B)   number of lymphocytes in the blood.
C)   resistance to infections.
D)   blood pressure.

Question 14

Diabetes insipidus is caused by

Accepted Answer

A)   insulin deficiency.
B)   excess insulin.
C)   ADH deficiency.
D)   excess ADH.

Question 15

Pheromones differ from hormones in that

Accepted Answer

A)   they are only found in plants and fungi.
B)   they act only within an individual.
C)   they are transmitted between members of the same species.
D)   they are transmitted between members of different species.

Question 16

The specificity of hormone action derives from

Accepted Answer

A)   target cell receptors that are unique for each hormone.
B)   target cell receptors that are unique for all steroid hormones.
C)   target cell receptors that are unique for all nonsteroid hormones.
D)   target cell receptors that bind only certain neurotransmitters.

Question 17

Adenylate cyclase causes ATP molecules to become ______ _______ molecules.

Accepted Answer

The answer of Adenylate cyclase causes ATP molecules to become...

Question 18

The extrafollicular cells of the thyroid gland secrete calcitonin.

Accepted Answer

A) True 
 B)False

Question 19

The thalamus controls secretion of pituitary hormones.

Accepted Answer

A) True 
 B)False  False

Question 20

One of the hallmarks of Graves disease is

Accepted Answer

A)   weight gain.
B)   increased thirst.
C)   decreased appetite.
D)   goiter.

Exam 13: Endocrine System

The sex hormones from the adrenal cortex are primarily androgens.

Correct AnswerverifiedShow Answer

A nonsteroid hormone acts on a target cell by

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

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 AnswerverifiedB

A steroid hormone acts on a target cell by

Correct AnswerverifiedShow Answer

_______ secretions affect the cell that secretes them.

Correct AnswerverifiedShow Answer

Nonsteroid hormones cause _________________ in their target cells.

Correct AnswerverifiedShow Answer

As a result of the general stress response, blood concentrations of epinephrine

Correct AnswerverifiedShow Answer

Cortisol

Correct AnswerverifiedC

The blood concentration of growth hormone

Correct AnswerverifiedShow Answer

In diabetes mellitus,

Correct AnswerverifiedShow Answer

Athletes abuse erythropoietin (EPO) because this hormone

Correct AnswerverifiedShow Answer

A person who is stressed usually has increased

Correct AnswerverifiedShow Answer

Diabetes insipidus is caused by

Correct AnswerverifiedShow Answer

Pheromones differ from hormones in that

Correct AnswerverifiedShow Answer

The specificity of hormone action derives from

Correct AnswerverifiedShow Answer

Adenylate cyclase causes ATP molecules to become ______ _______ molecules.

Correct AnswerverifiedShow Answer

The extrafollicular cells of the thyroid gland secrete calcitonin.

Correct AnswerverifiedShow Answer

The thalamus controls secretion of pituitary hormones.

Correct AnswerverifiedFalse

One of the hallmarks of Graves disease is

Correct AnswerverifiedShow Answer

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B

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C

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Adenylate cyclase causes ATP molecules to become _ molecules.

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False

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