Question 1

None of the body's lipophilic hormones utilize second messenger systems at their target cells.

Accepted Answer

A) True 
 B)False

Question 2

Indicate which hormone is responsible for each action.
a.Vasopressin
b.Oxytocin
c.TSH
d.ACTH
e.Growth hormone
f.Hormone not listed above
-Stimulates cortisol secretion by the adrenal cortex

Accepted Answer

The answer of Indicate which hormone is responsible for each...

Question 3

Too little activity of a particular hormone can arise from

Accepted Answer

A)  an abnormality within the endocrine gland that produces this hormone
B)  a deficiency of this hormone's tropic hormone
C)  an inborn lack of target-cell receptors for this hormone
D)  deficient target-cell receptors
E)  all of the aboveF) A) and C)
G) A) and B)

Question 4

Growth hormone is controlled by both releasing and inhibiting hormones from the hypothalamus.

Accepted Answer

A) True 
 B)False

Question 5

TSH controls the amount of testosterone secreted by the testes.

Accepted Answer

A) True 
 B)False

Question 6

Hormones may be steroids, peptides, or amines.

Accepted Answer

A) True 
 B)False

Question 7

Indicate which of the following features apply to the posterior and anterior pituitary using the following answer code:
a.Posterior pituitary
b.Anterior pituitary
c.Posterior and anterior pituitary
-Secretes MSH in humans

Accepted Answer

The answer of Indicate which of the following features apply...

Question 8

Match the description with the types of bone cells below by writing the appropriate letters in the blanks.
a.Osteocytes
b.Osteoblasts
c.Osteoclasts
-Bone cells that form bone

Accepted Answer

The answer of Match the description with the types of...

Question 9

Which of the following is not shared by both lipophilic and hydrophilic hormones?

Accepted Answer

A)  Amplification of hormone actions in a cell
B)  Transport via plasma proteins
C)  Regulation of metabolic reactions
D)  Initiation of second messenger systems
E)  Both b and dF) All of the above
G) A) and D)

Question 10

Indicate whether the characteristics below apply to the endocrine system, the nervous system, or both by writing the appropriate letter in the blank using the following answer code:
a.Endocrine system
b.Nervous system
c.Endocrine and nervous systems
-Has structural continuity

Accepted Answer

The answer of Indicate whether the characteristics below apply to...

Question 11

Hypophysiotropic hormones

Accepted Answer

A)  control the release of oxytocin and vasopressin from the posterior pituitary
B)  travel via neuron axons from the hypothalamus to the anterior pituitary
C)  are carried in the hypothalamo-hypophyseal portal system
D)  are released upon positive-feedback stimulation via anterior pituitary tropic hormones
E)  always act to stimulate the release of anterior pituitary hormonesF) B) and D)
G) B) and C)

Question 12

With down regulation, one hormone induces the loss of another hormone's receptors.

Accepted Answer

A) True 
 B)False

Question 13

Prolactin is the only anterior pituitary hormone that does not exert a tropic action.

Accepted Answer

A) True 
 B)False

Question 14

Indicate which characteristics in the left column apply to the hormones below by writing the appropriate letters in the blanks.
a.Steroids
b.Catecholamines
c.Peptides
d.Thyroid hormone
-Synthesized by the endoplasmic reticulum-Golgi complex system

Accepted Answer

The answer of Indicate which characteristics in the left column...

Question 15

Growth hormone directly stimulates bone growth.

Accepted Answer

A) True 
 B)False

Question 16

A "primary" defect in an endocrine system means that the defect is at the hypothalamus.

Accepted Answer

A) True 
 B)False

Question 17

Light is a crucial factor in regulating circadian rhythms.

Accepted Answer

A) True 
 B)False

Question 18

Neurohormones are hormones that specifically modify neural activity.

Accepted Answer

A) True 
 B)False

Question 19

Steroid hormones act through the second-messenger system.

Accepted Answer

A) True 
 B)False

Question 20

__________ is not secreted from an organ located in the abdominal cavity.

Accepted Answer

A)  Ghrelin
B)  Thrombopoietin
C)  Gastrin
D)  Insulin-like growth factor
E)  CalcitoninF) A) and C)
G) A) and B)

Exam 18: Principles of Endocrinology: the Central Endocrine Glands

Growth hormone is controlled by both releasing and inhibiting hormones from the hypothalamus.

Correct AnswerverifiedShow Answer

None of the body's lipophilic hormones utilize second messenger systems at their target cells.

Correct AnswerverifiedShow Answer

Prolactin is the only anterior pituitary hormone that does not exert a tropic action.

Correct AnswerverifiedShow Answer

Hormones may be steroids, peptides, or amines.

Correct AnswerverifiedShow Answer

Match the description with the types of bone cells below by writing the appropriate letters in the blanks. a.Osteocytes b.Osteoblasts c.Osteoclasts -Bone cells that form bone

Correct AnswerverifiedShow Answer

With down regulation, one hormone induces the loss of another hormone's receptors.

Correct AnswerverifiedShow Answer

Steroid hormones act through the second-messenger system.

Correct AnswerverifiedShow Answer

Indicate whether the characteristics below apply to the endocrine system, the nervous system, or both by writing the appropriate letter in the blank using the following answer code: a.Endocrine system b.Nervous system c.Endocrine and nervous systems -Has structural continuity

Correct AnswerverifiedShow Answer

Indicate which of the following features apply to the posterior and anterior pituitary using the following answer code: a.Posterior pituitary b.Anterior pituitary c.Posterior and anterior pituitary -Secretes MSH in humans

Correct AnswerverifiedShow Answer

TSH controls the amount of testosterone secreted by the testes.

Correct AnswerverifiedShow Answer

Hypophysiotropic hormones

Correct AnswerverifiedShow Answer

Indicate which characteristics in the left column apply to the hormones below by writing the appropriate letters in the blanks. a.Steroids b.Catecholamines c.Peptides d.Thyroid hormone -Synthesized by the endoplasmic reticulum-Golgi complex system

Correct AnswerverifiedShow Answer

Light is a crucial factor in regulating circadian rhythms.

Correct AnswerverifiedShow Answer

Indicate which hormone is responsible for each action. a.Vasopressin b.Oxytocin c.TSH d.ACTH e.Growth hormone f.Hormone not listed above -Stimulates cortisol secretion by the adrenal cortex

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Which of the following is not shared by both lipophilic and hydrophilic hormones?

Correct AnswerverifiedShow Answer

A "primary" defect in an endocrine system means that the defect is at the hypothalamus.

Correct AnswerverifiedShow Answer

__________ is not secreted from an organ located in the abdominal cavity.

Correct AnswerverifiedShow Answer

Growth hormone directly stimulates bone growth.

Correct AnswerverifiedShow Answer

Neurohormones are hormones that specifically modify neural activity.

Correct AnswerverifiedShow Answer

Too little activity of a particular hormone can arise from

Correct AnswerverifiedShow Answer

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