Question 1

Which of the following stimulates the development of follicles in the ovary?

Accepted Answer

A)   ADH
B)   Prolactin
C)   FSH
D)   ACTH
E)   LHF) B) and E)
G) B) and D)

Question 2

Which of the following statements about epinephrine is true?

Accepted Answer

A)   The effects of epinephrine are long-lasting (days to weeks) .
B)   Epinephrine increases blood pressure.
C)   Epinephrine decreases heart rate.
D)   Epinephrine increases GI tract activity.
E)   Epinephrine is a chemical of the parasympathetic nervous system.F) A) and B)
G) A) and C)

Question 3

The posterior pituitary

Accepted Answer

A)   has a direct connection with neurons of the hypothalamus.
B)   is controlled by releasing hormones produced in the hypothalamus.
C)   produces hormones that regulate other endocrine glands.
D)   stores lipotropins.
E)   is not related to fluid balance in the body.F) B) and C)
G) None of the above

Question 4

Which of the following characteristics is associated with hyposecretion of thyroid hormones?

Accepted Answer

A)   Weight gain
B)   Exophthalmos
C)   Warm, flushed skin
D)   Increased heart rate
E)   Weight lossF) A) and B)
G) B) and C)

Question 5

All of the following are examples of tropic hormones secreted by the anterior pituitary except

Accepted Answer

A)   prolactin, which stimulates milk production by the mammary glands.
B)   ACTH, which stimulates cortisol secretion by the adrenal cortex.
C)   TSH, which stimulates thyroid hormone secretion by the thyroid gland.
D)   All of the choices are examples of tropic hormones.E) A) and B)
F) None of the above

Question 6

Increased metabolic activity and weight loss are associated with

Accepted Answer

A)   lack of iodine in the diet.
B)   hyperthyroidism.
C)   too little TSH.
D)   cretinism.
E)   hypothyroidism.F) A) and B)
G) C) and E)

Question 7

Match the cell type with the hormone produced by that cell type.
-Cells of parathyroid gland

Accepted Answer

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

Question 8

Compounds released from cells that influence the same cell are called ________.

Accepted Answer

A)   paracrine chemical messengers
B)   steroidal hormones
C)   neuropeptides
D)   tropic hormones
E)   autocrine chemical messengersF) C) and E)
G) B) and E)

Question 9

Glucagon is synthesized by the ________ cells of the pancreas.

Accepted Answer

The answer of Glucagon is synthesized by the ________ cells...

Question 10

Which of the following would apply to the description of a thyroid follicle?

Accepted Answer

A)   Walls contain a single layer of parafollicular cells
B)   Center is called the isthmus
C)   Stores thyroid hormone
D)   Small capillary networks
E)   Spheres with walls of a single layer of cuboidal epithelial cellsF) C) and E)
G) A) and E)

Question 11

The hypothalamus

Accepted Answer

A)   rests in the sella turcica.
B)   is also called the neurohypophysis.
C)   is located inferior to the pituitary gland.
D)   regulates the secretory activity of the anterior lobe of the pituitary gland.
E)   is located superior to the thalamus.F) None of the above
G) B) and C)

Question 12

The endocrine system is a system of ductless glands that secrete their products into the interstitial fluid.

Accepted Answer

A) True 
 B)False

Question 13

The target tissue for melatonin is the ________.

Accepted Answer

A)   gonads
B)   anterior pituitary
C)   posterior pituitary
D)   liver
E)   hypothalamusF) None of the above
G) A) and C)

Question 14

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

Accepted Answer

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

Question 15

Which of the following is NOT an example of an autocrine chemical messenger?

Accepted Answer

A)   Prostacyclins
B)   Thromboxanes
C)   Leukotrienes
D)   EndorphinsE) A) and B)
F) B) and C)

Question 16

Which of the following statements best describes relaxin?

Accepted Answer

A)   Relaxin is produced by the parathyroid glands and triggers the release of calcium from the bones.
B)   Relaxin is produced by the testes and stimulates secretion of the reproductive glands.
C)   Relaxin is produced by the adrenal cortex and maintains normal metabolism.
D)   Relaxin is produced by the ovaries and increases the flexibility of connective tissue.E) C) and D)
F) A) and B)

Question 17

Decreased insulin secretion during sustained activity allows skeletal muscle cells to take up extra glucose to maintain necessary ATP levels.

Accepted Answer

A) True 
 B)False

Question 18

Which pancreatic cells is correctly matched to its secretion?

Accepted Answer

A)   Beta cells - digestive enzymes
B)   Acini cells - somatostatin
C)   Alpha cells - glucagon
D)   Delta cells - insulinE) All of the above
F) B) and D)

Question 19

If insulin secretion is too low or its receptors are insensitive, all of the following effects are seen, except

Accepted Answer

A)   high blood glucose levels.
B)   polyuria.
C)   increased uptake of glucose to cells.
D)   increased thirst.
E)   polyphagia.F) A) and C)
G) B) and C)

Question 20

Which of the following events occurs last?

Accepted Answer

A)   Enzymes break down thyroglobulin to release T3 and T4.
B)   T3 and T4 are stored within thyroid follicles.
C)   Iodide is bound to tyrosine molecules of thyroglobulin.
D)   Thyroglobulin is taken into thyroid cells by endocytosis.
E)   Iodide is actively transported into thyroid follicle cells.F) None of the above
G) All of the above

Exam 18: Endocrine Glands

Compounds released from cells that influence the same cell are called ________.

Correct AnswerverifiedShow Answer

If insulin secretion is too low or its receptors are insensitive, all of the following effects are seen, except

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Decreased insulin secretion during sustained activity allows skeletal muscle cells to take up extra glucose to maintain necessary ATP levels.

Correct AnswerverifiedShow Answer

The target tissue for melatonin is the ________.

Correct AnswerverifiedShow Answer

All of the following are examples of tropic hormones secreted by the anterior pituitary except

Correct AnswerverifiedShow Answer

Which pancreatic cells is correctly matched to its secretion?

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Glucagon is synthesized by the ________ cells of the pancreas.

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Which of the following statements best describes relaxin?

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Which of the following stimulates the development of follicles in the ovary?

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Which of the following characteristics is associated with hyposecretion of thyroid hormones?

Correct AnswerverifiedShow Answer

Increased metabolic activity and weight loss are associated with

Correct AnswerverifiedShow Answer

Which of the following would apply to the description of a thyroid follicle?

Correct AnswerverifiedShow Answer

The endocrine system is a system of ductless glands that secrete their products into the interstitial fluid.

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The posterior pituitary

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Which of the following is NOT an example of an autocrine chemical messenger?

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Which of the following statements about epinephrine is true?

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Which of the following events occurs last?

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

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Match the cell type with the hormone produced by that cell type. -Cells of parathyroid gland

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The hypothalamus

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