Question 1

A person under stress may have a lowered resistance to infection.

Accepted Answer

A) True 
 B)False

Question 2

Secretions that affect only nearby cells are termed

Accepted Answer

A)  endocrine.
B)  paracrine.
C)  exocrine.
D)  autocrine.E) B) and D)
F) None of the above

Question 3

Graves disease, the most common form of hyperthyroidism, is caused by

Accepted Answer

A)  a lack of iodine.
B)  an excess of iodine.
C)  an improper diet.
D)  an autoimmune disorder.E) All of the above
F) C) and D)

Question 4

A female patient is experiencing a hormonal imbalance that is causing her to skip menstrual periods due to low estrogen and miss ovulation. Which of the following is most likely the imbalanced hormone?

Accepted Answer

A)  Follicle-stimulating hormone
B)  Adrenocorticotropic hormone
C)  Prolactin-releasing factor
D)  Growth hormoneE) B) and C)
F) A) and B)

Question 5

Growth hormone

Accepted Answer

A)  enhances the movement of amino acids into cells.
B)   increases the rate of carbohydrate use.
C)  is released when blood protein and glucose levels increase.
D)  peaks in concentration during exercise.E) A) and D)
F) All of the above

Question 6

The secretion of parathyroid hormone is controlled primarily by the

Accepted Answer

A)  hypothalamus.
B)  concentration of blood calcium.
C)  thyroid gland.
D)  pituitary gland.E) None of the above
F) C) and D)

Question 7

If the adrenal medulla were to degrade and lose the ability to secrete hormones blood pressure, heart rate, and breathing rate would be affected.

Accepted Answer

A) True 
 B)False

Question 8

The sex hormones from the adrenal cortex are primarily androgens.

Accepted Answer

A) True 
 B)False

Question 9

Growth hormone signals the release of

Accepted Answer

A)  TGF.
B)  PTH.
C)  IGF-1.
D)  FSH.E) A) and C)
F) None of the above

Question 10

The thymus gland secretes hormones called ________ that ________.

Accepted Answer

A)  thyroxines; control metabolism
B)  melatonins; control circadian rhythms
C)  prostaglandins; control strength
D)  thymosins; control production and differentiation of white blood cellsE) C) and D)
F) A) and C)

Question 11

Steroid hormones diffuse through cell membranes, then bind with receptors, whereas nonsteroid hormones bind receptors on the target cell membrane.

Accepted Answer

A) True 
 B)False

Question 12

The specificity of hormone action derives from

Accepted Answer

A)  target cell receptors that are unique for each hormone.
B)  target cell receptors that are unique for all steroid hormones.
C)  target cell receptors that are unique for all nonsteroid hormones.
D)  target cell receptors that bind only certain neurotransmitters.E) A) and B)
F) C) and D)

Question 13

The hormone that stimulates calcium deposition into bone is

Accepted Answer

A)  calcitonin.
B)  parathyroid hormone.
C)  thyroxine.
D)  insulin.E) A) and C)
F) All of the above

Question 14

________ inhibits secretion of prolactin.

Accepted Answer

A)  Dopamine from the hypothalamus
B)  Insulin
C)  Norepinephrine
D)  Growth hormoneE) B) and C)
F) A) and D)

Question 15

The hormones secreted by the adrenal medulla are amines.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following hormones requires a releasing hormone from the hypothalamus for its secretion?

Accepted Answer

A)  Oxytocin
B)  Prolactin
C)  Antidiuretic hormone
D)  MelatoninE) None of the above
F) C) and D)

Question 17

Hyperparathyroidism

Accepted Answer

A)  is detected by low blood calcium ion concentration.
B)  is most often caused by a tumor.
C)  is most often caused by injury.
D)  causes bulging eyes and goiters.E) All of the above
F) None of the above

Question 18

The condition produced by factors that tend to cause changes in the body's internal environment and threaten its survival is called ________.

Accepted Answer

The answer of The condition produced by factors that tend...

Question 19

Adenylate cyclase causes ATP molecules to become ________ molecules.

Accepted Answer

The answer of Adenylate cyclase causes ATP molecules to become...

Question 20

An upregulated cell has an increase in

Accepted Answer

A)  the amount of DNA in the nucleus.
B)  the number of molecules the cell secretes.
C)  the concentration of ligands that bind to the receptors.
D)  the number of receptors available for binding.E) All of the above
F) C) and D)

Exam 13: Endocrine System

Secretions that affect only nearby cells are termed

Correct AnswerverifiedShow Answer

The hormones secreted by the adrenal medulla are amines.

Correct AnswerverifiedShow Answer

A female patient is experiencing a hormonal imbalance that is causing her to skip menstrual periods due to low estrogen and miss ovulation. Which of the following is most likely the imbalanced hormone?

Correct AnswerverifiedShow Answer

Growth hormone

Correct AnswerverifiedShow Answer

Adenylate cyclase causes ATP molecules to become ________ molecules.

Correct AnswerverifiedShow Answer

Hyperparathyroidism

Correct AnswerverifiedShow Answer

The condition produced by factors that tend to cause changes in the body's internal environment and threaten its survival is called ________.

Correct AnswerverifiedShow Answer

Growth hormone signals the release of

Correct AnswerverifiedShow Answer

An upregulated cell has an increase in

Correct AnswerverifiedShow Answer

The thymus gland secretes hormones called ________ that ________.

Correct AnswerverifiedShow Answer

If the adrenal medulla were to degrade and lose the ability to secrete hormones blood pressure, heart rate, and breathing rate would be affected.

Correct AnswerverifiedShow Answer

The secretion of parathyroid hormone is controlled primarily by the

Correct AnswerverifiedShow Answer

The sex hormones from the adrenal cortex are primarily androgens.

Correct AnswerverifiedShow Answer

Which of the following hormones requires a releasing hormone from the hypothalamus for its secretion?

Correct AnswerverifiedShow Answer

The specificity of hormone action derives from

Correct AnswerverifiedShow Answer

________ inhibits secretion of prolactin.

Correct AnswerverifiedShow Answer

The hormone that stimulates calcium deposition into bone is

Correct AnswerverifiedShow Answer

Graves disease, the most common form of hyperthyroidism, is caused by

Correct AnswerverifiedShow Answer

Steroid hormones diffuse through cell membranes, then bind with receptors, whereas nonsteroid hormones bind receptors on the target cell membrane.

Correct AnswerverifiedShow Answer

A person under stress may have a lowered resistance to infection.

Correct AnswerverifiedShow Answer

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The thymus gland secretes hormones called that .

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