Question 1

Aldosterone release can be triggered by the presence of the blood-borne messenger angiotensin II or by low levels of sodium, and so its secretion regulation is said to be

Accepted Answer

A)   purely neural.
B)   both hormonal and humoral.
C)   both antagonistic and synergistic.
D)   both neural and synergistic.
E)   purely hormonal.F) C) and D)
G) D) and E)

Question 2

Which region of the adrenal cortex synthesizes glucocorticoids?

Accepted Answer

A)   Zona reticularis
B)   Zona glucosa
C)   Zona papillarosa
D)   Zona fasciculata
E)   Zona glomerulosaF) None of the above
G) A) and B)

Question 3

Thyroid hormone's effects are to

Accepted Answer

A)   increase metabolic rate and body temperature by increasing protein synthesis in target cells.
B)   increase metabolic rate and body temperature by turning on the G protein, cAMP cascade.
C)   decrease metabolic rate and body temperature by increasing protein synthesis in target cells.
D)   decrease metabolic rate and body temperature by turning on the G protein, cAMP cascade.
E)   increase metabolic rate and body temperature by turning off the G protein, cAMP cascade.F) A) and B)
G) D) and E)

Question 4

Compared to the nervous system, the endocrine system has

Accepted Answer

A)   more localized and long-lasting effects.
B)   more widespread and long-lasting effects.
C)   more localized and short-term effects.
D)   more widespread and short-term effects.E) B) and C)
F) None of the above

Question 5

Thyroid hormone is somewhat unique in that it is a

Accepted Answer

A)   biogenic amine that is lipid-soluble.
B)   protein hormone that is water-soluble.
C)   steroid hormone that is water-soluble.
D)   steroid hormone that is lipid-soluble.
E)   monoamine that is water-soluble.F) C) and D)
G) B) and E)

Question 6

Within the adenylate cyclase signal transduction pathways of target cells, cAMP activates

Accepted Answer

A)   the G protein.
B)   adenylate cyclase.
C)   protein kinase.
D)   the receptor.
E)   transcription of a mRNA.F) B) and D)
G) None of the above

Question 7

The pancreas is located ________ to the stomach, and it lies between the duodenum and the ________.

Accepted Answer

A)   anterior; liver
B)   anterior; spleen
C)   posterior; liver
D)   posterior; spleenE) None of the above
F) A) and B)

Question 8

The hormones and neurotransmitters released by the endocrine and nervous systems are chemical substances referred to as ________.

Accepted Answer

The answer of The hormones and neurotransmitters released by the...

Question 9

Lipid-soluble hormones, such as progesterone, exert their effects by forming hormone-receptor complexes that

Accepted Answer

A)   activate a G protein and second-messenger cascade.
B)   bind to DNA and initiate transcription.
C)   open ion channels in the cell membrane.
D)   activate adenylate cyclase.E) All of the above
F) C) and D)

Question 10

Eicosanoids are synthesized from

Accepted Answer

A)   cholesterol.
B)   prostaglandin.
C)   arachidonic acid.
D)   amino acids.E) None of the above
F) A) and B)

Question 11

Where are the target cells for follicle-stimulating hormone?

Accepted Answer

A)   Thyroid follicles
B)   Ovaries and testes
C)   Mammary glands
D)   Uterus
E)   Hair folliclesF) B) and C)
G) B) and E)

Question 12

When the activity of one hormone requires that of a second hormone, the interaction is said to be ________.

Accepted Answer

The answer of When the activity of one hormone requires...

Question 13

To be a target cell for a particular hormone, the cell must have a specific receptor for that hormone.

Accepted Answer

A) True 
 B)False

Question 14

The thymus gland secretes erythropoietin in response to low blood oxygen.

Accepted Answer

A) True 
 B)False

Question 15

Which is not correct regarding growth hormone (GH) ?

Accepted Answer

A)   GH affects most body cells.
B)   GH stimulates cell growth and mitosis.
C)   GH is also known as somatotropin.
D)   GH stimulates the kidney to secrete somatomedin.
E)   GH is a tropic hormone.F) All of the above
G) B) and D)

Question 16

Follicle-stimulating hormone is a

Accepted Answer

A)   glycoprotein.
B)   steroid.
C)   monoamine.
D)   oligopeptide.E) B) and D)
F) B) and C)

Question 17

The liver contains endocrine cells.

Accepted Answer

A) True 
 B)False

Question 18

Steroids, peptides, and nucleic acids are the three classes of hormones.

Accepted Answer

A) True 
 B)False

Question 19

Generally, there are two main factors that determine the levels of a hormone in the blood. Explain what those factors are and provide examples of how they might increase or decrease a hormone's level.

Accepted Answer

Hormone synthesis is directly ...

Question 20

Predictions related to homeostatic imbalance, including disease states & disorders. 
-This figure shows the endocrine system. Which number indicates the thymus gland?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   6F) A) and B)
G) A) and C)

Exam 17: Endocrine System

Follicle-stimulating hormone is a

Correct AnswerverifiedShow Answer

The hormones and neurotransmitters released by the endocrine and nervous systems are chemical substances referred to as ________.

Correct AnswerverifiedShow Answer

Lipid-soluble hormones, such as progesterone, exert their effects by forming hormone-receptor complexes that

Correct AnswerverifiedShow Answer

When the activity of one hormone requires that of a second hormone, the interaction is said to be ________.

Correct AnswerverifiedShow Answer

Aldosterone release can be triggered by the presence of the blood-borne messenger angiotensin II or by low levels of sodium, and so its secretion regulation is said to be

Correct AnswerverifiedShow Answer

The liver contains endocrine cells.

Correct AnswerverifiedShow Answer

Predictions related to homeostatic imbalance, including disease states & disorders. -This figure shows the endocrine system. Which number indicates the thymus gland?

Correct AnswerverifiedShow Answer

The thymus gland secretes erythropoietin in response to low blood oxygen.

Correct AnswerverifiedShow Answer

Thyroid hormone's effects are to

Correct AnswerverifiedShow Answer

Steroids, peptides, and nucleic acids are the three classes of hormones.

Correct AnswerverifiedShow Answer

Thyroid hormone is somewhat unique in that it is a

Correct AnswerverifiedShow Answer

Which is not correct regarding growth hormone (GH) ?

Correct AnswerverifiedShow Answer

Where are the target cells for follicle-stimulating hormone?

Correct AnswerverifiedShow Answer

Which region of the adrenal cortex synthesizes glucocorticoids?

Correct AnswerverifiedShow Answer

Within the adenylate cyclase signal transduction pathways of target cells, cAMP activates

Correct AnswerverifiedShow Answer

Compared to the nervous system, the endocrine system has

Correct AnswerverifiedShow Answer

Generally, there are two main factors that determine the levels of a hormone in the blood. Explain what those factors are and provide examples of how they might increase or decrease a hormone's level.

Correct AnswerverifiedHormone synthesis is directly ...View AnswerShow Answer

To be a target cell for a particular hormone, the cell must have a specific receptor for that hormone.

Correct AnswerverifiedShow Answer

Eicosanoids are synthesized from

Correct AnswerverifiedShow Answer

The pancreas is located ________ to the stomach, and it lies between the duodenum and the ________.

Correct AnswerverifiedShow Answer

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Hormone synthesis is directly ...
View Answer

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The pancreas is located to the stomach, and it lies between the duodenum and the .

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