Question 1

Discuss the roles of the first messenger and the second messenger in the second -messenger system.

Accepted Answer

The first messenger is the hydrophilic h...

Question 2

If the thyroid gland is unable to produce iodinated thyroglobulin, what is the effect on hormone production?

Accepted Answer

A)   Triiodothyronine (T3)  and thyroxine (T4)  production continues uninterrupted.
B)   Less thyroid -stimulating hormone (TSH)  is made.
C)   Less triiodothyronine (T3)  and thyroxine (T4)  hormones are made.
D)   Excess triiodothyronine (T3)  and thyroxine (T4)  hormones are made.E) B) and C)
F) All of the above

Question 3

Under normal conditions, what is the response to an increase in thyrotropin -releasing hormone (TRH) ?

Accepted Answer

A)   decrease in thyroxine (T4)  production
B)   increase in thyroid -stimulating hormone (TSH)  production
C)   decrease in triiodothyronine (T3)  production
D)   increase in growth hormone productionE) C) and D)
F) A) and B)

Question 4

Summarize the main functions of aldosterone.

Accepted Answer

Aldosterone has several main functions. ...

Question 5

Atrial natriuretic peptide (ANP)  promotes:

Accepted Answer

A)   water retention.
B)   vasodilation.
C)   decreased urination.
D)   increased blood pressure.E) A) and C)
F) C) and D)

Question 6

What is a major function of the endocrine system?

Accepted Answer

A)   The endocrine system releases hormones into the bloodstream to reach receptors on target cells.
B)   The endocrine system secretes products into ducts that lead to body surfaces or cavities.
C)   The endocrine system communicates directly with target cells through the use of neurotransmitters.
D)   The endocrine system produces immediate, short -lasting effects.E) B) and D)
F) A) and C)

Question 7

The effects of norepinephrine and epinephrine have nearly the same effects as the neurotransmitters of the:

Accepted Answer

A)   parasympathetic nervous system.
B)   sympathetic nervous system.
C)   somatic nervous system.
D)   afferent nervous system.E) A) and B)
F) All of the above

Question 8

Match the following descriptions with the appropriate endocrine gland.
 
-Identify the adenohypophysis.

Accepted Answer

The answer of Match the following descriptions with the appropriate...

Question 9

How are the nervous system and endocrine system similar?

Accepted Answer

A)   Effects of both the nervous system and the endocrine system are immediate and short -lasting.
B)   Both the nervous system and the endocrine system operate over a series of neurons to directly affect target cells.
C)   The nervous system works antagonistically to the endocrine system to achieve homeostasis.
D)   Cells of both the nervous system and the endocrine system release chemicals to communicate with cells.E) C) and D)
F) A) and D)

Question 10

In the second -messenger system, the first messenger initiates a cellular change in activity by binding a receptor in the plasma membrane.

Accepted Answer

A) True 
 B)False

Question 11

Hypersecretion of growth hormone after the epiphyseal plates closes causes a disorder known as:

Accepted Answer

A)   acromegaly
B)   congenital hypothyroidism
C)   pituitary dwarfism
D)   gigantismE) A) and D)
F) None of the above

Question 12

What hormone is produced by adipocytes to regulate satiety, a feeling of fullness after eating?

Accepted Answer

A)   calcitriol
B)   leptin
C)   atrial natriuretic peptide (ANP) 
D)   erythropoietin (EPO) E) None of the above
F) C) and D)

Question 13

Melatonin is produced by the:

Accepted Answer

A)   kidneys.
B)   adrenal glands.
C)   pineal gland.
D)   heart.E) C) and D)
F) None of the above

Question 14

Nina is researching hormones that can stimulate and inhibit the release of growth hormone from the anterior pituitary. Predict the type of stimulation that regulates the secretion of growth hormone.

Accepted Answer

Since growth hormone is controlled by ho...

Question 15

Calcitonin mainly targets and inhibits the activity of osteoclasts in bone.

Accepted Answer

A) True 
 B)False

Question 16

What type of hormone is made from cholesterol?

Accepted Answer

A)   protein hormone
B)   steroid hormone
C)   peptide hormone
D)   amine hormoneE) None of the above
F) A) and C)

Question 17

What does thyroid -stimulating hormone (TSH)  target?

Accepted Answer

A)   hypothalamus
B)   posterior pituitary (neurohypophysis) 
C)   thyroid gland
D)   anterior pituitary (adenohypophysis) E) A) and B)
F) A) and C)

Question 18

What stimulates melatonin production?

Accepted Answer

A)   increasing blood glucose levels
B)   increasing blood pressure
C)   immune system
D)   light and dark cyclesE) C) and D)
F) B) and D)

Question 19

Match the following descriptions with the appropriate endocrine gland.
 
-Identify the gland that stores hormones produced by the hypothalamus.

Accepted Answer

The answer of Match the following descriptions with the appropriate...

Question 20

Which hormones work synergistically to retain water?

Accepted Answer

A)   atrial natriuretic peptide (ANP)  and antidiuretic hormone (ADH) 
B)   antidiuretic hormone (ADH)  and aldosterone
C)   aldosterone and atrial natriuretic peptide (ANP) 
D)   aldosterone and cortisolE) C) and D)
F) B) and D)

Exam 16: The Endocrine System

Which hormones work synergistically to retain water?

Correct AnswerverifiedShow Answer

What is a major function of the endocrine system?

Correct AnswerverifiedShow Answer

Summarize the main functions of aldosterone.

Correct AnswerverifiedAldosterone has several main functions. ...View AnswerShow Answer

Atrial natriuretic peptide (ANP) promotes:

Correct AnswerverifiedShow Answer

Match the following descriptions with the appropriate endocrine gland. -Identify the adenohypophysis.

Correct AnswerverifiedShow Answer

What hormone is produced by adipocytes to regulate satiety, a feeling of fullness after eating?

Correct AnswerverifiedShow Answer

Discuss the roles of the first messenger and the second messenger in the second -messenger system.

Correct AnswerverifiedThe first messenger is the hydrophilic h...View AnswerShow Answer

What type of hormone is made from cholesterol?

Correct AnswerverifiedShow Answer

The effects of norepinephrine and epinephrine have nearly the same effects as the neurotransmitters of the:

Correct AnswerverifiedShow Answer

Melatonin is produced by the:

Correct AnswerverifiedShow Answer

How are the nervous system and endocrine system similar?

Correct AnswerverifiedShow Answer

Match the following descriptions with the appropriate endocrine gland. -Identify the gland that stores hormones produced by the hypothalamus.

Correct AnswerverifiedShow Answer

Under normal conditions, what is the response to an increase in thyrotropin -releasing hormone (TRH) ?

Correct AnswerverifiedShow Answer

Nina is researching hormones that can stimulate and inhibit the release of growth hormone from the anterior pituitary. Predict the type of stimulation that regulates the secretion of growth hormone.

Correct AnswerverifiedSince growth hormone is controlled by ho...View AnswerShow Answer

Hypersecretion of growth hormone after the epiphyseal plates closes causes a disorder known as:

Correct AnswerverifiedShow Answer

If the thyroid gland is unable to produce iodinated thyroglobulin, what is the effect on hormone production?

Correct AnswerverifiedShow Answer

In the second -messenger system, the first messenger initiates a cellular change in activity by binding a receptor in the plasma membrane.

Correct AnswerverifiedShow Answer

What does thyroid -stimulating hormone (TSH) target?

Correct AnswerverifiedShow Answer

What stimulates melatonin production?

Correct AnswerverifiedShow Answer

Calcitonin mainly targets and inhibits the activity of osteoclasts in bone.

Correct AnswerverifiedShow Answer

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Correct Answer
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Correct Answer
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Aldosterone has several main functions. ...
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Correct Answer
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Correct Answer
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Correct Answer
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Discuss the roles of the first messenger and the second messenger in the second ^-messenger system.

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The first messenger is the hydrophilic h...
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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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Correct Answer
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Under normal conditions, what is the response to an increase in thyrotropin ^-releasing hormone (TRH) ?

Correct Answer
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Correct Answer
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Since growth hormone is controlled by ho...
View Answer

Correct Answer
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Correct Answer
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In the second ^-messenger system, the first messenger initiates a cellular change in activity by binding a receptor in the plasma membrane.

Correct Answer
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What does thyroid ^-stimulating hormone (TSH) target?

Correct Answer
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Correct Answer
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Correct Answer
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