Question 1

This hormone causes the kidneys to conserve water.

Accepted Answer

A)   ADH
B)   PTH
C)   PRL
D)   OT
E)   GHF) A) and E)
G) A) and C)

Question 2

What is the term for chemical messengers that are released into interstitial fluid,diffuse into the blood stream and act on target cells that are a distance away?

Accepted Answer

A)   ligand
B)   neurotransmitter
C)   hormone
D)   glycolipidE) A) and C)
F) B) and D)

Question 3

The pancreas functions as both an endocrine gland and as an exocrine gland.

Accepted Answer

A) True 
 B)False

Question 4

Parathyroid hormone stimulates

Accepted Answer

A)   follicular cell activity.
B)   osteoblast activity.
C)   osteoclast activity.
D)   fibroblast activity.
E)   basal metabolic rate.F) D) and E)
G) B) and D)

Question 5

What is the most common regulator of hormone secretion?

Accepted Answer

A)   the autonomic nervous system
B)   the central nervous system
C)   negative feedback
D)   positive feedbackE) None of the above
F) All of the above

Question 6

A group of lipids called prostaglandins act as "local hormones" on a variety of tissues.

Accepted Answer

A) True 
 B)False

Question 7

This hormone is produced in response to the absence of light in the environment,and is associated with circadian rhythms.

Accepted Answer

A)   serotonin
B)   acetylcholine
C)   melatonin
D)   dopamineE) None of the above
F) A) and B)

Question 8

This hormone sustains milk production after birth.

Accepted Answer

A)   ADH
B)   PTH
C)   PRL
D)   OT
E)   GHF) A) and E)
G) A) and D)

Question 9

Which statement best describes the action of insulin?

Accepted Answer

A)   Liver cells convert glycogen to glucose,raising blood sugar.
B)   Liver cells synthesize glycogen from glucose,lowering blood sugar.
C)   Tissue cells transport glucose into cells,lowering blood sugar.
D)   b and c onlyE) B) and C)
F) A) and D)

Question 10

Thyroxine (T4)and Triiodothyronine (T3)have opposite effects on target cells.

Accepted Answer

A) True 
 B)False

Question 11

This hormone is manufactured by cells of the pineal gland.

Accepted Answer

A)   ADH
B)   prolactin
C)   aldosterone
D)   melatoninE) A) and C)
F) All of the above

Question 12

Diabetes mellitus is characterized by

Accepted Answer

A)   glucose in the urine.
B)   excess urine production.
C)   dehydration.
D)   increased thirst.
E)   all of the above.F) A) and C)
G) A) and E)

Question 13

Growth hormone release is stimulated by

Accepted Answer

A)   growth hormone releasing hormone.
B)   adrenocorticotropic hormone.
C)   thyrotropin releasing hormone.
D)   increased blood sugar.
E)   dehydration.F) B) and C)
G) A) and B)

Question 14

Thyroid hormone (TH) release in response to stimulation by TSH is an example of this control method.

Accepted Answer

A)   The hypothalamus and pituitary stimulate a peripheral endocrine gland.
B)   The nervous system stimulates a gland directly.
C)   Changing plasma levels of a substance stimulate a gland directly.D) A) and C)
E) A) and B)

Question 15

Hormone effects on target cells can continue even if hormone secretion has stopped.

Accepted Answer

A) True 
 B)False

Question 16

Insulin causes

Accepted Answer

A)   a decrease in the concentration of blood glucose.
B)   a decrease in the permeability of cell membranes to glucose.
C)   an increase in the production of glucose from glycogen.
D)   an increase in the concentration of blood glucose.
E)   none of the above.F) All of the above
G) B) and D)

Question 17

In the resistance stage of a stress response,sympathetic nerves stimulate the adrenal cortex.

Accepted Answer

A) True 
 B)False

Question 18

A person who is experiencing the effects of chronic stress usually has

Accepted Answer

A)   increased activity of the spleen and other lymphatic organs.
B)   increased activity of the immune system.
C)   increased resistance to infections.
D)   increased blood pressure.
E)   decreased plasma levels of cortisol.F) C) and D)
G) A) and B)

Question 19

Cholesterol is the building block of which hormone group?

Accepted Answer

A)   amines
B)   peptides
C)   polypeptides and proteins
D)   steroidsE) B) and C)
F) A) and C)

Question 20

In the alarm stage of a stress response,air passages dilate.

Accepted Answer

A) True 
 B)False

Exam 11: Endocrine System

In the alarm stage of a stress response,air passages dilate.

Correct AnswerverifiedShow Answer

Parathyroid hormone stimulates

Correct AnswerverifiedShow Answer

What is the term for chemical messengers that are released into interstitial fluid,diffuse into the blood stream and act on target cells that are a distance away?

Correct AnswerverifiedShow Answer

A group of lipids called prostaglandins act as "local hormones" on a variety of tissues.

Correct AnswerverifiedShow Answer

This hormone is manufactured by cells of the pineal gland.

Correct AnswerverifiedShow Answer

This hormone is produced in response to the absence of light in the environment,and is associated with circadian rhythms.

Correct AnswerverifiedShow Answer

Insulin causes

Correct AnswerverifiedShow Answer

This hormone sustains milk production after birth.

Correct AnswerverifiedShow Answer

A person who is experiencing the effects of chronic stress usually has

Correct AnswerverifiedShow Answer

Which statement best describes the action of insulin?

Correct AnswerverifiedShow Answer

In the resistance stage of a stress response,sympathetic nerves stimulate the adrenal cortex.

Correct AnswerverifiedShow Answer

This hormone causes the kidneys to conserve water.

Correct AnswerverifiedShow Answer

Growth hormone release is stimulated by

Correct AnswerverifiedShow Answer

What is the most common regulator of hormone secretion?

Correct AnswerverifiedShow Answer

Diabetes mellitus is characterized by

Correct AnswerverifiedShow Answer

Hormone effects on target cells can continue even if hormone secretion has stopped.

Correct AnswerverifiedShow Answer

Thyroid hormone (TH) release in response to stimulation by TSH is an example of this control method.

Correct AnswerverifiedShow Answer

Thyroxine (T4)and Triiodothyronine (T3)have opposite effects on target cells.

Correct AnswerverifiedShow Answer

Cholesterol is the building block of which hormone group?

Correct AnswerverifiedShow Answer

The pancreas functions as both an endocrine gland and as an exocrine gland.

Correct AnswerverifiedShow Answer

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Thyroxine (T₄)and Triiodothyronine (T₃)have opposite effects on target cells.

Correct Answer
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