Question 1

Growth hormone signals the release of IGF-1 from the

Accepted Answer

A)  pancreas.
B)  liver.
C)  spleen.
D)  pituitary gland.E) B) and D)
F) B) and C)

Question 2

Nonsteroid hormones include peptides, proteins, glycoproteins, and amines.

Accepted Answer

A) True 
 B)False

Question 3

Type 1 diabetes mellitus is caused by

Accepted Answer

A)  excess sugar in the diet.
B)  obesity.
C)  a disorder of the immune system.
D)  an effect of aging.E) B) and D)
F) A) and B)

Question 4

Which of the following statements is correct with respect to T₃ and T₄?

Accepted Answer

A)  T₄ has a higher free concentration in the plasma.
B)  T₄ is more important physiologically.
C)  About one-third of T₄ is converted to T₃ in peripheral tissues.
D)  T₄ is more potent.E) C) and D)
F) A) and B)

Question 5

Melanocyte-stimulating hormone, which regulates the formation of melanin, is produced by the

Accepted Answer

A)  intermediate lobe of the pituitary gland.
B)  anterior lobe of the pituitary gland.
C)  pineal gland.
D)  the hypothalamus.E) None of the above
F) B) and C)

Question 6

Maxwell has a very high metabolic rate, is skinny, and has protruding eyes. These are symptoms of

Accepted Answer

A)  hypothyroidism.
B)  hyperthyroidism.
C)  hypoparathyroidism.
D)  hyperparathyroidism.E) All of the above
F) B) and D)

Question 7

Hormones

Accepted Answer

A)  catalyze reactions by physically bringing two reactants closer together.
B)  have functions in growth, reproduction, and development.
C)  primarily function through electric signaling.
D)  generate action potentials to send signals through the body.E) C) and D)
F) All of the above

Question 8

The target cells of releasing hormones are in the anterior pituitary gland.

Accepted Answer

A) True 
 B)False

Question 9

The nervous system releases hormones at synapses and the endocrine system releases neurotransmitters into the bloodstream.

Accepted Answer

A) True 
 B)False

Question 10

ADH and oxytocin are secreted by

Accepted Answer

A)  neuromuscular cells.
B)  neurons.
C)  neuroglia.
D)  neurosecretory cells.E) A) and B)
F) C) and D)

Question 11

Which of the following has both endocrine and exocrine functions?

Accepted Answer

A)  Pancreas
B)  Anterior pituitary
C)  Liver
D)  Thyroid glandE) A) and D)
F) None of the above

Question 12

Kristin discovers a lump in her neck. Upon examination, her physician determines it's a tumor of the thyroid and performs a complete removal. Which of the following is not one of the hormones Kristin will need to be supplemented with?

Accepted Answer

A)  Cholecalciferol
B)  Triiodothyronine
C)  Calcitonin
D)  ThyroxineE) All of the above
F) C) and D)

Question 13

Thyroxine

Accepted Answer

A)  reduces the rate at which carbohydrates are utilized.
B)  enhances the rate at which proteins are synthesized.
C)  inhibits responses of the nervous system.
D)  inhibits the rate at which calcium enters body fluids.E) A) and B)
F) B) and C)

Question 14

A nonsteroid hormone acts on a target cell by

Accepted Answer

A)  causing synthesis of a second messenger.
B)  stimulating cell division.
C)  promoting phagocytosis.
D)  directly causing protein synthesis.E) B) and D)
F) A) and B)

Question 15

Calcitonin is produced in the ________ gland.

Accepted Answer

The answer of Calcitonin is produced in the ________ gland....

Question 16

A hormone is a secreted molecule that is carried in the bloodstream to where it acts on target cells that bear specific receptors for that hormone.

Accepted Answer

A) True 
 B)False

Question 17

Target cells for releasing hormones are in the

Accepted Answer

A)  hypothalamus.
B)  anterior pituitary gland.
C)  posterior pituitary gland.
D)  thyroid gland.E) A) and B)
F) A) and C)

Question 18

Nonsteroid hormones cause ________ in their target cells.

Accepted Answer

A)  cyclic AMP to become ATP
B)  cyclic AMP to be decomposed
C)  activation of adenylate cyclase
D)  inactivation of adenylate cyclaseE) C) and D)
F) A) and B)

Question 19

Dave has diabetes mellitus. Which of the following describes how the disease affects his bodily fluids?

Accepted Answer

A)  He excretes protein in his urine.
B)  His urine is of high osmotic pressure.
C)  He urinates less than the average person.
D)  His blood sugar is generally low when untreated.E) A) and C)
F) None of the above

Question 20

The pancreas functions as part of the endocrine system and as a part of the ________ system.

Accepted Answer

The answer of The pancreas functions as part of the...

Exam 13: Endocrine System

ADH and oxytocin are secreted by

Correct AnswerverifiedShow Answer

Growth hormone signals the release of IGF-1 from the

Correct AnswerverifiedShow Answer

Type 1 diabetes mellitus is caused by

Correct AnswerverifiedShow Answer

Which of the following statements is correct with respect to T₃ and T₄?

Correct AnswerverifiedShow Answer

A nonsteroid hormone acts on a target cell by

Correct AnswerverifiedShow Answer

Calcitonin is produced in the ________ gland.

Correct AnswerverifiedShow Answer

Nonsteroid hormones cause ________ in their target cells.

Correct AnswerverifiedShow Answer

Melanocyte-stimulating hormone, which regulates the formation of melanin, is produced by the

Correct AnswerverifiedShow Answer

Which of the following has both endocrine and exocrine functions?

Correct AnswerverifiedShow Answer

The target cells of releasing hormones are in the anterior pituitary gland.

Correct AnswerverifiedShow Answer

The nervous system releases hormones at synapses and the endocrine system releases neurotransmitters into the bloodstream.

Correct AnswerverifiedShow Answer

Nonsteroid hormones include peptides, proteins, glycoproteins, and amines.

Correct AnswerverifiedShow Answer

Kristin discovers a lump in her neck. Upon examination, her physician determines it's a tumor of the thyroid and performs a complete removal. Which of the following is not one of the hormones Kristin will need to be supplemented with?

Correct AnswerverifiedShow Answer

Thyroxine

Correct AnswerverifiedShow Answer

The pancreas functions as part of the endocrine system and as a part of the ________ system.

Correct AnswerverifiedShow Answer

Target cells for releasing hormones are in the

Correct AnswerverifiedShow Answer

Hormones

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Maxwell has a very high metabolic rate, is skinny, and has protruding eyes. These are symptoms of

Correct AnswerverifiedShow Answer

A hormone is a secreted molecule that is carried in the bloodstream to where it acts on target cells that bear specific receptors for that hormone.

Correct AnswerverifiedShow Answer

Dave has diabetes mellitus. Which of the following describes how the disease affects his bodily fluids?

Correct AnswerverifiedShow Answer

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