Question 1

Most endocrine glands communicate with their target tissues using ________ signals.

Accepted Answer

A)   frequency-modulated
B)   amplitude-modulated
C)   pitch-modulated
D)   resonance-modulatedE) B) and C)
F) B) and D)

Question 2

Secretion of one hormone by the action of another hormone is control by ________ stimuli.

Accepted Answer

A)   hormonal
B)   neural
C)   humoral
D)   visceralE) A) and B)
F) A) and C)

Question 3

Members of which group of hormones are made from cholesterol?

Accepted Answer

A)   Amino acid derivatives
B)   Peptides
C)   Proteins
D)   SteroidsE) A) and B)
F) B) and C)

Question 4

Which type of chemical messenger stimulates the cell that originally secreted it?

Accepted Answer

A)   Paracrine
B)   Neurotransmitter
C)   Autocrine
D)   EndocrineE) None of the above
F) B) and C)

Question 5

Match the description with the type of receptor model.
-Receptor molecule interacts with DNA

Accepted Answer

A)  Nuclear receptor model
B)  Membrane-bound receptor modelC) A) and B)
D) undefined

Question 6

Which type of hormone-receptor action allows insulin to move glucose into cells?

Accepted Answer

A)   Activation of cGMP
B)   Activation of adenylate cyclase
C)   Direct alteration of intracellular enzymes
D)   Phosphorylation of intracellular proteinsE) B) and C)
F) A) and B)

Question 7

In some forms of diabetes, an insensitivity to insulin seems to be present. This insensitivity could be the result of ________.

Accepted Answer

A)   up-regulation
B)   over-regulation
C)   down-regulation
D)   a lack of regulation
E)   modulationF) A) and D)
G) D) and E)

Question 8

What do all hormones have in common?

Accepted Answer

A)   They are made from amino acids.
B)   They are bound to transport molecules in the blood.
C)   They bind to and interact with a receptor on or in the target cell.
D)   They use the second messenger mechanism to control the target cell.
E)   They are all lipid-soluble.F) C) and D)
G) B) and D)

Question 9

Receptors for most lipid-soluble hormones are located

Accepted Answer

A)   in the cytoplasm of their target cells.
B)   on the plasma membrane of their target cells.
C)   in the lysosomes of their target cells.
D)   on the nuclear membrane of their target cells.
E)   in the nucleus or cytoplasm of their target cells.F) All of the above
G) B) and C)

Question 10

Up-regulation

Accepted Answer

A)   results in a decrease in the number of receptor sites in the target cell.
B)   produces an increase in the sensitivity of the target cell to the hormone.
C)   is found in target cells that maintain a constant level of receptors.
D)   produces insensitivity to the hormone in the target tissue.
E)   moves the receptors up on the membrane.F) A) and E)
G) A) and D)

Exam 17: Functional Organization of the Endocrine System

Secretion of one hormone by the action of another hormone is control by ________ stimuli.

Correct Answer
verified

Which type of chemical messenger stimulates the cell that originally secreted it?

Correct Answer
verified

Match the description with the type of receptor model. -Receptor molecule interacts with DNA

Correct Answer
verified

Receptors for most lipid-soluble hormones are located

Correct Answer
verified

Which type of hormone-receptor action allows insulin to move glucose into cells?

Correct Answer
verified

Members of which group of hormones are made from cholesterol?

Correct Answer
verified

Up-regulation

Correct Answer
verified

Most endocrine glands communicate with their target tissues using ________ signals.

Correct Answer
verified

In some forms of diabetes, an insensitivity to insulin seems to be present. This insensitivity could be the result of ________.

Correct Answer
verified

What do all hormones have in common?

Correct Answer
verified

Exam 17: Functional Organization of the Endocrine System

Secretion of one hormone by the action of another hormone is control by ________ stimuli.

Correct AnswerverifiedShow Answer

Which type of chemical messenger stimulates the cell that originally secreted it?

Correct AnswerverifiedShow Answer

Match the description with the type of receptor model. -Receptor molecule interacts with DNA

Correct AnswerverifiedShow Answer

Receptors for most lipid-soluble hormones are located

Correct AnswerverifiedShow Answer

Which type of hormone-receptor action allows insulin to move glucose into cells?

Correct AnswerverifiedShow Answer

Members of which group of hormones are made from cholesterol?

Correct AnswerverifiedShow Answer

Up-regulation

Correct AnswerverifiedShow Answer

Most endocrine glands communicate with their target tissues using ________ signals.

Correct AnswerverifiedShow Answer

In some forms of diabetes, an insensitivity to insulin seems to be present. This insensitivity could be the result of ________.

Correct AnswerverifiedShow Answer

What do all hormones have in common?

Correct AnswerverifiedShow Answer

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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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