Question 1

The chemical messengers of the endocrine system are neurotransmitters.

Accepted Answer

A) True 
 B)False

Question 2

One of the later effects of steroid hormones on the cell could be the:

Accepted Answer

A)   transcription of RNA.
B)   making of enzymes.
C)   formation of cAMP.
D)   activation of kinases.E) A) and B)
F) None of the above

Question 3

Prostaglandins are lipid substances derived from cholesterol.

Accepted Answer

A) True 
 B)False

Question 4

Examples of steroid hormones are cortisol,aldosterone,and testosterone.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following nonsteroid hormones bind to receptors associated with a DNA molecule within the nucleus of the target cell?

Accepted Answer

A)   Thyroxine
B)   Triiodothyronine
C)   Prolactin
D)   Both A and BE) None of the above
F) B) and D)

Question 6

The release of a hormone by a gland is called signal transduction.

Accepted Answer

A) True 
 B)False

Question 7

Endocrine glands may be made up of:

Accepted Answer

A)   glandular epithelium.
B)   neurosecretory tissue.
C)   ducts leading to major arteries
D)   both A and B.E) All of the above
F) B) and C)

Question 8

Some nonsteroid hormones attach to cell membrane sodium channels causing them to open and allowing an influx of sodium into the cell.

Accepted Answer

A) True 
 B)False

Question 9

Match each term with its explanation or definition.
-a cell with receptors for a specific hormone

Accepted Answer

A)  Synergism
B)  Steroid hormone
C)  Second messenger
D)  Target cell
E)  Up-regulationF) AntagonismG) ProstaglandinH) Tropic hormoneI) Nonsteroid hormoneJ) PermissivenessK) B) and F)
L) C) and E)

Question 10

Explain how cAMP acts as a second messenger for certain nonsteroid hormones.

Accepted Answer

When certain nonsteroid hormones, such a...

Question 11

A hormone that stimulates the salivary glands (exocrine glands)would be a tropic hormone.

Accepted Answer

A) True 
 B)False

Question 12

A hormone is able to stimulate more cells than a neurotransmitter.

Accepted Answer

A) True 
 B)False

Question 13

Thromboxanes and leukotrienes can be called tissue hormones.

Accepted Answer

A) True 
 B)False

Question 14

Match each term with its explanation or definition.
-one hormone has the opposite effect of another hormone

Accepted Answer

A)  Synergism
B)  Steroid hormone
C)  Second messenger
D)  Target cell
E)  Up-regulationF) AntagonismG) ProstaglandinH) Tropic hormoneI) Nonsteroid hormoneJ) PermissivenessK) A) and H)
L) A) and D)

Question 15

In terms of affecting hormone action,synergism and permissiveness mean the same thing.

Accepted Answer

A) True 
 B)False

Question 16

The "lock-and-key" mechanism allows hormones to bind only with target cells that have receptors that "fit" them exactly.

Accepted Answer

A) True 
 B)False

Question 17

The number of hormone receptors a cell has remains constant throughout the life of the cell.

Accepted Answer

A) True 
 B)False

Question 18

Match each term with its explanation or definition.
-a small amount of hormone allows another hormone to have its full effect

Accepted Answer

A)  Synergism
B)  Steroid hormone
C)  Second messenger
D)  Target cell
E)  Up-regulationF) AntagonismG) ProstaglandinH) Tropic hormoneI) Nonsteroid hormoneJ) PermissivenessK) H) and J)
L) E) and H)

Question 19

With a steroid hormone,the amount of hormone is directly related to the magnitude of the response in the target cell.

Accepted Answer

A) True 
 B)False

Question 20

All of the following are nonsteroid hormones except:

Accepted Answer

A)   oxytocin.
B)   calcitonin.
C)   cortisol.
D)   glucagon.E) A) and C)
F) A) and B)

Exam 18: Endocrine System

Match each term with its explanation or definition. -a small amount of hormone allows another hormone to have its full effect

Correct AnswerverifiedShow Answer

Thromboxanes and leukotrienes can be called tissue hormones.

Correct AnswerverifiedShow Answer

With a steroid hormone,the amount of hormone is directly related to the magnitude of the response in the target cell.

Correct AnswerverifiedShow Answer

Examples of steroid hormones are cortisol,aldosterone,and testosterone.

Correct AnswerverifiedShow Answer

In terms of affecting hormone action,synergism and permissiveness mean the same thing.

Correct AnswerverifiedShow Answer

Which of the following nonsteroid hormones bind to receptors associated with a DNA molecule within the nucleus of the target cell?

Correct AnswerverifiedShow Answer

Prostaglandins are lipid substances derived from cholesterol.

Correct AnswerverifiedShow Answer

The number of hormone receptors a cell has remains constant throughout the life of the cell.

Correct AnswerverifiedShow Answer

A hormone is able to stimulate more cells than a neurotransmitter.

Correct AnswerverifiedShow Answer

The release of a hormone by a gland is called signal transduction.

Correct AnswerverifiedShow Answer

The chemical messengers of the endocrine system are neurotransmitters.

Correct AnswerverifiedShow Answer

A hormone that stimulates the salivary glands (exocrine glands)would be a tropic hormone.

Correct AnswerverifiedShow Answer

Explain how cAMP acts as a second messenger for certain nonsteroid hormones.

Correct AnswerAnswered by ExamLex AIWhen certain nonsteroid hormones, such a...View AnswerShow Answer

Some nonsteroid hormones attach to cell membrane sodium channels causing them to open and allowing an influx of sodium into the cell.

Correct AnswerverifiedShow Answer

Match each term with its explanation or definition. -a cell with receptors for a specific hormone

Correct AnswerverifiedShow Answer

One of the later effects of steroid hormones on the cell could be the:

Correct AnswerverifiedShow Answer

Endocrine glands may be made up of:

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The "lock-and-key" mechanism allows hormones to bind only with target cells that have receptors that "fit" them exactly.

Correct AnswerverifiedShow Answer

Match each term with its explanation or definition. -one hormone has the opposite effect of another hormone

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All of the following are nonsteroid hormones except:

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When certain nonsteroid hormones, such a...
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