Question 1

Permissiveness refers to the conversion of inactive enzymes into active enzymes by hormones, thus permitting the enzymes to perform their function.

Accepted Answer

A) True 
 B)False

Question 2

All hormones secreted by the hypothalamus and anterior pituitary gland are peptides.

Accepted Answer

A) True 
 B)False

Question 3

Match posterior and anterior pituitary, labelled a. through c., with their features. (Options may be used more than once or not at all.) 
-contains pituicytes

Accepted Answer

A)  applies to the posterior pituitary
B)  applies to the anterior pituitary
C)  applies to both the posterior and the anterior pituitaryD) B) and C)
E) All of the above

Question 4

Growth hormone secretion increases markedly about an hour after the onset of deep sleep.

Accepted Answer

A) True 
 B)False  True

Question 5

Endocrine responses occur more slowly and last longer than neural responses.

Accepted Answer

A) True 
 B)False

Question 6

An anterior pituitary gland produces inhibiting and stimulating signals that affect the hypothalamus.

Accepted Answer

A) True 
 B)False

Question 7

Describe circadian rhythms and the mechanisms thought to control them.

Accepted Answer

Circadian rhythms are physical, mental, ...

Question 8

Match the systems, labelled a. through c. with their characteristics. (Options may be used more than once or not at all.) 
-releases factors such as CRH

Accepted Answer

A)  the endocrine system
B)  the nervous system
C)  both the endocrine and nervous systemsD) All of the above
E) A) and B)

Question 9

Match posterior and anterior pituitary, labelled a. through c., with their features. (Options may be used more than once or not at all.) 
-releases primarily tropic hormones into the blood

Accepted Answer

A)  applies to the posterior pituitary
B)  applies to the anterior pituitary
C)  applies to both the posterior and the anterior pituitaryD) A) and B)
E) A) and C)

Question 10

Which of these statements applies to growth hormone

Accepted Answer

A)  It directly stimulates bone growth.
B)  It promotes low blood glucose level.
C)  It promotes closure of the epiphyseal plate.
D)  It affects bones via somatomedin release.E) A) and B)
F) C) and D)

Question 11

This releasing hormone, called ____________________, ultimately causes secretion of adrenocorticosteroids.

Accepted Answer

corticotro...

Question 12

Osteoclasts are cells that make new bone cells.

Accepted Answer

A) True 
 B)False

Question 13

____________________ is the process of forming bone in a long bone.

Accepted Answer

Ossification

Question 14

Steroid hormones act through the second-messenger system.

Accepted Answer

A) True 
 B)False

Question 15

Unlike ____________________ hormones, steroid hormones are not stored after their formation.

Accepted Answer

The answer of Unlike ____________________ hormones, steroid hormones are not...

Question 16

Which of these statements describes tropic hormones

Accepted Answer

A)  They are produced by the posterior pituitary.
B)  They are secreted only by the hypothalamus.
C)  They primarily regulate hormone secretion by certain other endocrine glands.
D)  They all have non-tropic functions too.E) A) and B)
F) A) and C)

Question 17

Which of the following is NOT a characteristic of the hormone oxytocin

Accepted Answer

A)  It stimulates uterine contractions.
B)  It promotes milk ejection from mammary gland ducts.
C)  It influences bonding behaviour between mother and baby.
D)  It is secreted by the anterior pituitary gland.E) B) and C)
F) A) and B) D

Question 18

Which of these statements applies to the posterior pituitary

Accepted Answer

A)  It is composed of vascular tissue.
B)  It stores anterior pituitary hormones, which are released into the blood upon hypothalamic stimulation.
C)  It synthesizes and secretes vasopressin and oxytocin.
D)  It stimulates the adrenal gland.E) B) and C)
F) A) and B)

Question 19

Match posterior and anterior pituitary, labelled a. through c., with their features. (Options may be used more than once or not at all.) 
-Its release of hormones is directly controlled by action potentials.

Accepted Answer

A)  applies to the posterior pituitary
B)  applies to the anterior pituitary
C)  applies to both the posterior and the anterior pituitaryD) A) and B)
E) None of the above

Question 20

Most hormone secretion is regulated by some form of ____________________ feedback.

Accepted Answer

The answer of Most hormone secretion is regulated by some...

Exam 5: Principles of Endocrinology: The Central Endocrine Glands

Permissiveness refers to the conversion of inactive enzymes into active enzymes by hormones, thus permitting the enzymes to perform their function.

Correct AnswerverifiedShow Answer

All hormones secreted by the hypothalamus and anterior pituitary gland are peptides.

Correct AnswerverifiedShow Answer

Match posterior and anterior pituitary, labelled a. through c., with their features. (Options may be used more than once or not at all.) -contains pituicytes

Correct AnswerverifiedShow Answer

Growth hormone secretion increases markedly about an hour after the onset of deep sleep.

Correct AnswerverifiedTrue

Endocrine responses occur more slowly and last longer than neural responses.

Correct AnswerverifiedShow Answer

An anterior pituitary gland produces inhibiting and stimulating signals that affect the hypothalamus.

Correct AnswerverifiedShow Answer

Describe circadian rhythms and the mechanisms thought to control them.

Correct AnswerAnswered by ExamLex AICircadian rhythms are physical, mental, ...View AnswerShow Answer

Match the systems, labelled a. through c. with their characteristics. (Options may be used more than once or not at all.) -releases factors such as CRH

Correct AnswerverifiedShow Answer

Match posterior and anterior pituitary, labelled a. through c., with their features. (Options may be used more than once or not at all.) -releases primarily tropic hormones into the blood

Correct AnswerverifiedShow Answer

Which of these statements applies to growth hormone

Correct AnswerverifiedShow Answer

This releasing hormone, called ____________________, ultimately causes secretion of adrenocorticosteroids.

Correct Answerverifiedcorticotro...View AnswerShow Answer

Osteoclasts are cells that make new bone cells.

Correct AnswerverifiedShow Answer

____________________ is the process of forming bone in a long bone.

Correct AnswerverifiedOssification

Steroid hormones act through the second-messenger system.

Correct AnswerverifiedShow Answer

Unlike ____________________ hormones, steroid hormones are not stored after their formation.

Correct AnswerverifiedShow Answer

Which of these statements describes tropic hormones

Correct AnswerverifiedShow Answer

Which of the following is NOT a characteristic of the hormone oxytocin

Correct AnswerverifiedD

Which of these statements applies to the posterior pituitary

Correct AnswerverifiedShow Answer

Match posterior and anterior pituitary, labelled a. through c., with their features. (Options may be used more than once or not at all.) -Its release of hormones is directly controlled by action potentials.

Correct AnswerverifiedShow Answer

Most hormone secretion is regulated by some form of ____________________ feedback.

Correct AnswerverifiedShow Answer

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True

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Answered by ExamLex AI
Circadian rhythms are physical, mental, ...
View Answer

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corticotro...
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Ossification

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D

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