Question 1

Thyroid hormones (TH)  releasing in response to stimulation by TSH is an example of what control method?

Accepted Answer

A)   A hormone stimulates the release of another hormone.
B)   The nervous system stimulates a gland directly.
C)   Changing plasma levels of a substance stimulate a gland directly.D) None of the above
E) All of the above

Question 2

PTH targets cells of the intestine, kidneys, and bones in order to regulate sodium concentration in the blood.

Accepted Answer

A) True 
 B)False

Question 3

The main pancreatic duct runs the entire length of the pancreas and delivers insulin and other hormones into the small intestine.

Accepted Answer

A) True 
 B)False

Question 4

During which phase of the stress response do pupils dilate?

Accepted Answer

A)   Alarm phase
B)   Resistance phaseC) A) and B)
D) undefined

Question 5

What causes cretinism?

Accepted Answer

A)   Hypothyroidism
B)   Hyperthyroidism
C)   Hypoparathyroidism
D)   Hyperparathyroidism
E)   Low levels of calcitoninF) C) and E)
G) A) and D)

Question 6

T 4is five times more potent than T 3.

Accepted Answer

A) True 
 B)False

Question 7

What hormone exerts its effect primarily on the reproductive organs?

Accepted Answer

A)   Follicle-stimulating hormone
B)   Adrenocorticotropic hormone
C)   Epinephrine
D)   Insulin
E)   Antidiuretic hormoneF) B) and D)
G) A) and B)

Question 8

A synthetic form of oxytocin is sometimes administered to women prior to childbirth. What would be the effect of administration of this drug?

Accepted Answer

A)   Stimulate milk production for breast feeding
B)   Stimulate uterine contractions to help with labor
C)   Inhibit uterine contractions to prevent labor
D)   Stimulate ACTH production to help lower blood pressureE) B) and D)
F) All of the above

Question 9

Ashmi has lost her way while trail running in the mountains. The temperature is dropping, and she is beginning to feel a bit anxious. Which of the following hormone levels would increase under these conditions?

Accepted Answer

A)   CRH
B)   ADH
C)   Thyroid hormones
D)   InsulinE) None of the above
F) C) and D)

Question 10

What is the action of cortisol?

Accepted Answer

A)   Increases the permeability of capillary walls
B)   Increasesthe permeability of lysosomal membranes
C)   Stimulates the production of glucose from noncarbohydrates
D)   Promotes protein synthesis
E)   Stimulates the secretion of adrenocorticotropic hormoneF) C) and E)
G) A) and E)

Question 11

Hypophysealcapillary beds allow hypothalamic hormones to act on target cells in the anterior pituitary gland.

Accepted Answer

A) True 
 B)False

Question 12

What is an example of a hormone secreted by the adrenal medulla?

Accepted Answer

A)   A mineralocorticoid
B)   A glucocorticoid
C)   Aldosterone
D)   Epinephrine
E)   GlucagonF) A) and E)
G) A) and B)

Question 13

What lipid biochemicals are synthesized from arachidonic acid and have many diverse effects?

Accepted Answer

A)   Prostoglandins
B)   Steroids
C)   Cholesterol
D)   G proteinsE) None of the above
F) A) and C)

Question 14

Which of the following hormones is released by the posterior lobe of the pituitary gland?

Accepted Answer

A)   Thyroid-stimulating hormone
B)   Adrenocorticotropic hormone
C)   Growth hormone
D)   Antidiuretic hormone
E)   Prolactin-releasing hormoneF) None of the above
G) A) and E)

Question 15

What endocrine gland is large in children but shrinks with age? Its secretions affect the production and differentiation of specific white blood cells involved in immunity.

Accepted Answer

A)   Thymus gland
B)   Thyroid gland
C)   Parathyroid gland
D)   Hypothalamus
E)   Adrenal glandF) C) and E)
G) None of the above

Question 16

Where are the target cell receptors for water soluble hormones found? o

Accepted Answer

A)   In the nucleus
B)   In the cytoplasm
C)   In the rough endoplasmic reticulum
D)   In the plasma membrane
E)   In the mitochondrionF) D) and E)
G) B) and E)

Question 17

Releasing hormones are carried from the hypothalamus to the anterior pituitary gland by vessels called hypophyseal __________ veins.

Accepted Answer

The answer of Releasing hormones are carried from the hypothalamus...

Question 18

What endocrine gland produces steroid hormones in regions called the zona glomerulosa, zona fasciculata, and zona reticularis?

Accepted Answer

A)   Thyroid gland
B)   Pancreas
C)   Hypothalamus
D)   Adrenal gland
E)   Pituitary glandF) A) and B)
G) B) and D)

Question 19

What hormone causes contraction of uterine smooth muscle and myoepithelial cells of milk-secreting glands?

Accepted Answer

A)   ADH
B)   PTH
C)   PRL
D)   OT
E)   GHF) B) and D)
G) C) and D)

Question 20

Where is the thyroid gland located?

Accepted Answer

A)   Anterior to the heart
B)   Anterior to the trachea
C)   Just under the mandible
D)   In the brain
E)   Superior to the kidneysF) A) and B)
G) A) and C)

Exam 11: Endocrine System

PTH targets cells of the intestine, kidneys, and bones in order to regulate sodium concentration in the blood.

Correct AnswerverifiedShow Answer

Thyroid hormones (TH) releasing in response to stimulation by TSH is an example of what control method?

Correct AnswerverifiedShow Answer

What hormone exerts its effect primarily on the reproductive organs?

Correct AnswerverifiedShow Answer

What endocrine gland is large in children but shrinks with age? Its secretions affect the production and differentiation of specific white blood cells involved in immunity.

Correct AnswerverifiedShow Answer

What is the action of cortisol?

Correct AnswerverifiedShow Answer

Where are the target cell receptors for water soluble hormones found? o

Correct AnswerverifiedShow Answer

What endocrine gland produces steroid hormones in regions called the zona glomerulosa, zona fasciculata, and zona reticularis?

Correct AnswerverifiedShow Answer

Which of the following hormones is released by the posterior lobe of the pituitary gland?

Correct AnswerverifiedShow Answer

The main pancreatic duct runs the entire length of the pancreas and delivers insulin and other hormones into the small intestine.

Correct AnswerverifiedShow Answer

Releasing hormones are carried from the hypothalamus to the anterior pituitary gland by vessels called hypophyseal __________ veins.

Correct AnswerverifiedShow Answer

A synthetic form of oxytocin is sometimes administered to women prior to childbirth. What would be the effect of administration of this drug?

Correct AnswerverifiedShow Answer

Where is the thyroid gland located?

Correct AnswerverifiedShow Answer

What causes cretinism?

Correct AnswerverifiedShow Answer

What is an example of a hormone secreted by the adrenal medulla?

Correct AnswerverifiedShow Answer

Hypophysealcapillary beds allow hypothalamic hormones to act on target cells in the anterior pituitary gland.

Correct AnswerverifiedShow Answer

What lipid biochemicals are synthesized from arachidonic acid and have many diverse effects?

Correct AnswerverifiedShow Answer

What hormone causes contraction of uterine smooth muscle and myoepithelial cells of milk-secreting glands?

Correct AnswerverifiedShow Answer

During which phase of the stress response do pupils dilate?

Correct AnswerverifiedShow Answer

T 4is five times more potent than T 3.

Correct AnswerverifiedShow Answer

Ashmi has lost her way while trail running in the mountains. The temperature is dropping, and she is beginning to feel a bit anxious. Which of the following hormone levels would increase under these conditions?

Correct AnswerverifiedShow Answer

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T ₄is five times more potent than T ₃.

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