Question 1

Releasing hormones

Accepted Answer

A)   travel through axons to the posterior pituitary.
B)   increase anterior pituitary secretion.
C)   cause action potentials to be generated by anterior pituitary cells.
D)   decrease secretions of the anterior pituitary.E) B) and C)
F) C) and D)

Question 2

Match the hormone with the best description.
-Testosterone

Accepted Answer

A)  Aids in spermatogenesis
B)  Inhibits FSH secretion
C)  Menstrual cycle
D)  Increases flexibility of connective tissueE) B) and C)
F) A) and B)

Question 3

Thromboxane is a chemical mediator released by platelets. Thromboxane promotes the aggregation of platelets which results in platelet plug formation during hemostasis. Thromboxane would therefore be classified as a/an ________.

Accepted Answer

A)   neurotransmitter
B)   paracrine chemical messenger
C)   endorphin
D)   enkephalin
E)   autocrine chemical messengerF) D) and E)
G) A) and B)

Question 4

Julie was diagnosed with an aggressive tumor of the thyroid. Surgery was performed to remove the thyroid. However, post-operatively, Julie's blood Ca2+ levels began declining to life-threatening levels. This decline is most likely due to

Accepted Answer

A)   thyroid hormone replacement therapy after the surgery.
B)   damage to the anterior pituitary during surgery.
C)   accidental removal of the parathyroid glands during surgery.
D)   improper laboratory handling of blood samples.
E)   post-traumatic stress disorder.F) B) and C)
G) None of the above

Question 5

Anterior pituitary hormones

Accepted Answer

A)   are all proteins or glycoproteins.
B)   are transported in the hypothalamohypophysial portal system.
C)   bind to intracellular receptor molecules.
D)   have a half-life of hours.
E)   are released as a direct result of action potentials.F) B) and E)
G) None of the above

Question 6

The main hormone of the male reproductive system is ________.

Accepted Answer

A)   luteinizing hormone
B)   testosterone
C)   progesterone
D)   follicle-stimulating hormoneE) B) and D)
F) A) and B)

Question 7

Which of the following hormones is secreted by the anterior pituitary?

Accepted Answer

A)   ADH (antidiuretic hormone) 
B)   TRH (thyrotropin-releasing hormone) 
C)   CRH (corticotropin-releasing hormone) 
D)   FSH (follicle-stimulating hormone) 
E)   OxytocinF) None of the above
G) A) and B)

Question 8

Match the cell type with the hormone produced by that cell type.
-Follicular cells of thyroid

Accepted Answer

A)  Mineralocorticoids
B)  PTH
C)  Insulin
D)  ADH
E)  T3F) A) and D)
G) A) and E)

Question 9

Match the endocrine gland with the hormone it secretes.
-Pancreas

Accepted Answer

A)  Glucagon
B)  Progesterone
C)  Cortisol
D)  T3
E)  ProlactinF) B) and C)
G) B) and D)

Question 10

The hypothalamohypophysial portal system carries hormones from the ________.

Accepted Answer

A)   anterior pituitary to the hypothalamus
B)   posterior pituitary to the hypothalamus
C)   hypothalamus to the anterior pituitary
D)   hypothalamus to the posterior pituitary
E)   anterior pituitary to posterior pituitaryF) A) and C)
G) A) and E)

Question 11

The glucocorticoids

Accepted Answer

A)   stimulate gluconeogenesis.
B)   increase the inflammatory response.
C)   supplement the sex hormones from the gonads.
D)   decrease synthesis of glycogen.
E)   stimulate glycogenolysis.F) A) and E)
G) B) and E)

Question 12

Insulin is necessary for the satiety center to detect the presence of glucose in extracellular fluid. When insulin levels are low

Accepted Answer

A)   the person feels "full" or satisfied.
B)   the person is intensely hungry.
C)   the person is thirsty.
D)   the person is sleepy.
E)   there is no effect on hunger or satiety feelings.F) B) and D)
G) A) and C)

Question 13

ADH (antidiuretic hormone)  is secreted in response to

Accepted Answer

A)   overhydration.
B)   increased volume of the body fluids.
C)   increased osmotic pressure of the body fluids.
D)   high blood pressure.
E)   increased blood volume.F) B) and E)
G) A) and D)

Question 14

The embryonic origin of the anterior pituitary gland is

Accepted Answer

A)   epithelium from the oral cavity.
B)   nervous tissue from the area of the hypothalamus.
C)   an outpocket of the nasal cavity.
D)   glandular tissue from the cerebrum.E) C) and D)
F) None of the above

Question 15

The embryonic origin of the posterior pituitary gland is

Accepted Answer

A)   epithelium from the oral cavity.
B)   nervous tissue from the area of the hypothalamus.
C)   an outpocket of the nasal cavity.
D)   glandular tissue from the cerebrum.E) All of the above
F) None of the above

Question 16

Which of the following are released by damaged tissues and function as intercellular autocrine or paracrine signals?

Accepted Answer

A)   Aldosterone
B)   Epinephrine
C)   Erythropoietin
D)   Norepinephrine
E)   ProstaglandinsF) None of the above
G) C) and D)

Question 17

Thyroid hormone interacts with its target tissue by

Accepted Answer

A)   using the intracellular mediator system.
B)   binding to a membrane bound receptor.
C)   increasing I- uptake in the target cells.
D)   releasing thyroglobulin.
E)   binding to receptor molecules in the nucleus.F) A) and B)
G) B) and E)

Question 18

Parathyroid glands are composed of spherical follicles similar to the thyroid gland.

Accepted Answer

A) True 
 B)False

Question 19

The ________ pituitary is a neural extension of the hypothalamus.

Accepted Answer

The answer of The ________ pituitary is a neural extension...

Question 20

In addition to testosterone and estrogen, reproductive organs (testes and ovaries)  also produce the hormone ________, which decreases the production of FSH.

Accepted Answer

A)   relaxin
B)   thyroxine
C)   insulin
D)   parathyroid hormone
E)   inhibinF) A) and E)
G) B) and C)

Exam 18: Endocrine Glands

The main hormone of the male reproductive system is ________.

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Releasing hormones

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Match the cell type with the hormone produced by that cell type. -Follicular cells of thyroid

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Anterior pituitary hormones

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The ________ pituitary is a neural extension of the hypothalamus.

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Insulin is necessary for the satiety center to detect the presence of glucose in extracellular fluid. When insulin levels are low

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Thyroid hormone interacts with its target tissue by

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ADH (antidiuretic hormone) is secreted in response to

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The embryonic origin of the anterior pituitary gland is

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Parathyroid glands are composed of spherical follicles similar to the thyroid gland.

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Thromboxane is a chemical mediator released by platelets. Thromboxane promotes the aggregation of platelets which results in platelet plug formation during hemostasis. Thromboxane would therefore be classified as a/an ________.

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The glucocorticoids

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Julie was diagnosed with an aggressive tumor of the thyroid. Surgery was performed to remove the thyroid. However, post-operatively, Julie's blood Ca2+ levels began declining to life-threatening levels. This decline is most likely due to

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Which of the following hormones is secreted by the anterior pituitary?

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The embryonic origin of the posterior pituitary gland is

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In addition to testosterone and estrogen, reproductive organs (testes and ovaries) also produce the hormone ________, which decreases the production of FSH.

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Which of the following are released by damaged tissues and function as intercellular autocrine or paracrine signals?

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The hypothalamohypophysial portal system carries hormones from the ________.

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Match the hormone with the best description. -Testosterone

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Match the endocrine gland with the hormone it secretes. -Pancreas

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Julie was diagnosed with an aggressive tumor of the thyroid. Surgery was performed to remove the thyroid. However, post-operatively, Julie's blood Ca²⁺ levels began declining to life-threatening levels. This decline is most likely due to

Correct Answer
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