Question 1

Which of the following statements about diabetes mellitus is NOT true?

Accepted Answer

A)   Type I diabetes is much more common than type II.
B)   Obesity can cause diabetes because adipose tissue produces a substance that impairs insulin receptor function.
C)   Type I diabetes occurs as a result of destruction of the insulin-producing cells.
D)   One method of treating type II diabetes is exercise and a low-fat, low-sugar diet.
E)   Symptoms of diabetes include excessive thirst, frequent urination, and glucose in the urine.F) D) and E)
G) All of the above

Question 2

The posterior pituitary gland secretes all of the following EXCEPT

Accepted Answer

A)   oxytocin.
B)   ADH.
C)   prolactin.
D)   None of the choices are correct.E) A) and B)
F) A) and C)

Question 3

Which is an example of negative feedback?

Accepted Answer

A)   Nursing action stimulates the hypothalamus to release oxytocin that triggers mammary gland milk production.
B)   When the blood becomes dilute, ADH is no longer released from the hypothalamus.
C)   Uterine stretching sends nerve impulses to the hypothalamus that releases oxytocin that stimulates uterine contraction.
D)   FSH and LH stimulate the gonads to produce sperm or eggs.
E)   TRH stimulates the anterior pituitary to release thyroid-stimulating hormone.F) All of the above
G) A) and B)

Question 4

The effects of hyposecretion and hypersecretion of adrenal cortex hormones result in

Accepted Answer

A)   exactly the same symptoms due to failure to have correct hormone levels.
B)   exactly opposite symptoms: too much versus too little melanin, thin versus heavy, etc.
C)   masculination of women and feminization of men.
D)   various mild symptoms that are not life threatening.
E)   opposite effects on kidney functions and therefore blood pressure, but varying effects on other target tissues.F) None of the above
G) B) and E)

Question 5

What is the cascade of events that leads to the stress response of the adrenal glands?

Accepted Answer

A)   hypothalamus produces ACTH-releasing hormone - anterior pituitary is stimulated to produce ACTH - adrenal cortex stimulated to produce glucocorticoids (regulate metabolism and sugar level) 
B)   hypothalamus produces ACTH-releasing hormone - anterior pituitary is stimulated to produce ACTH - adrenal cortex secretes epinephrine and norepinephrine (regulate metabolism and sugar level) 
C)   anterior pituitary produces ACTH - hypothalamus releases ACTH-releasing hormone - adrenal cortex hormones then produced
D)   adrenal cortex secretes hormones - anterior pituitary secretes ACTH - hypothalamus secretes ACTH-releasing hormone
E)   adrenal cortex secretes hormones - hypothalamus secretes ACTH-releasing hormone - anterior pituitary releases ACTHF) B) and D)
G) A) and D)

Question 6

____ is considered the first messenger, while ____ is called the second messenger.

Accepted Answer

A)   Insulin; glucagon
B)   ACTH; cortisol
C)   Peptide hormone; cAMP
D)   Glucose; insulin
E)   TSH; thyroxinF) A) and E)
G) B) and E)

Question 7

An adolescent female who is hyperactive, nervous, irritable and has eyes that are protruding from their sockets is most likely suffering from ________ which is caused by ___________.

Accepted Answer

A)   Grave's disease, oversecretion of T3 or T4 due to antibodies that mimic the effect of TSH.
B)   Grave's disease, undersecretion of T3 or T4 due to antibodies that mimic the effect of TSH.
C)   Cushings disease, oversecretion of T3 or T4 due to antibodies that mimic the effect of TSH.
D)   Grave's disease, oversecretion of T3 or T4 due to antibodies that mimic the effect of calcitonin.
E)   Cushings disease, oversecretion of T3 or T4 due to antibodies that mimic the effect of parathyroid hormone.F) B) and C)
G) A) and B)

Question 8

Which of the following hormones is (are)  NOT a product of the anterior lobe of the pituitary?

Accepted Answer

A)   growth hormone
B)   antidiuretic hormone
C)   gonadotropic hormones
D)   thyroid-stimulating hormoneE) A) and B)
F) C) and D)

Question 9

Both T3 and T4 are produced in the thyroid and are responsible for increasing the metabolic rate of specific organs in the body.

Accepted Answer

A) True 
 B)False

Question 10

What is a common function of T3 and T4?

Accepted Answer

A)   Stimulate cells to metabolize faster.
B)   Muscle contraction.
C)   Cause the blood calcium to increase.
D)   Blood phosphate levels decrease.
E)   Cause an increase in the deposition of calcium in the bones.F) A) and E)
G) A) and D)

Question 11

The part of the brain that controls the anterior pituitary gland secretions is the

Accepted Answer

A)   medulla.
B)   thalamus.
C)   cerebral cortex.
D)   hypothalamus.
E)   cerebellum.F) B) and D)
G) A) and B)

Question 12

Zoologists extracted the chemical that the Japanese beetle uses to attract a mate, and used it in a trap to reduce the beetle population. Scientists were using a

Accepted Answer

A)   hormone.
B)   pesticide.
C)   enzyme.
D)   pheromone.
E)   excretion.F) A) and D)
G) C) and E)

Question 13

What is the mode of action of hormones?

Accepted Answer

A)   Peptide hormones bind to cell-surface receptors and result in the activation of enzymes.
B)   Steroid hormones enter the cell, usually bind to receptors in the nucleus and result in the activation of certain genes.
C)   Hormones are actually precursors or raw materials that are naturally converted to end products by the correct target cell.
D)   Hormones are chunks of DNA that are sent out to be incorporated into target cells and become activated to produce hormone products.
E)   Peptide hormones bind to cell-surface receptors and result in the activation of enzymes, while steroid hormones enter the cell, usually bind to receptors in the nucleus and result in the activation of certain genes.F) A) and E)
G) B) and E) E

Question 14

Which of the following statements about parathyroid hormone (PTH)  is NOT correct?

Accepted Answer

A)   Parathyroid hormone promotes the release of calcium from bones.
B)   When blood calcium levels are low, PTH secretion is stimulated.
C)   PTH decreases the activity of osteoclasts.
D)   PTH promotes the reabsorption of calcium by the kidneys.
E)   PTH has the opposite effect of calcitonin.F) A) and D)
G) A) and B) C

Question 15

Explain how ADH works in the body when it is released by the hypothalamus?

Accepted Answer

The hypothalamus releases ADH which is t...

Question 16

A woman with a beard most likely has a malfunctioning

Accepted Answer

A)   pancreas.
B)   pituitary.
C)   adrenal cortex.
D)   adrenal medulla.
E)   thyroid.F) C) and D)
G) B) and D)

Question 17

Which endocrine gland is directly responsible for the secretion of the glucocorticoid cortisol?

Accepted Answer

A)   adrenal cortex
B)   hypothalamus
C)   adrenal medulla
D)   anterior pituitary
E)   thyroid glandF) B) and D)
G) A) and E)

Question 18

Steroid hormones act more slowly and maintain their effects longer than peptide hormones.

Accepted Answer

A) True 
 B)False

Question 19

Hypoparathyroidism leads to a dramatic drop in blood calcium, which causes

Accepted Answer

A)   lethargy and hair loss.
B)   tetany (convulsions) .
C)   sleepiness.
D)   mental retardation.
E)   cretinism.F) C) and D)
G) C) and E) B

Question 20

________ are hormones that act locally, affecting neighboring cells.

Accepted Answer

A)   Insulin
B)   Oxytocin
C)   Pheromones
D)   Prostaglandins
E)   Oxytocin and pheromones are both correct.F) All of the above
G) C) and D)

Exam 40: Hormones and Endocrine Systems

Which of the following statements about diabetes mellitus is NOT true?

Correct AnswerverifiedShow Answer

The posterior pituitary gland secretes all of the following EXCEPT

Correct AnswerverifiedShow Answer

Which is an example of negative feedback?

Correct AnswerverifiedShow Answer

The effects of hyposecretion and hypersecretion of adrenal cortex hormones result in

Correct AnswerverifiedShow Answer

What is the cascade of events that leads to the stress response of the adrenal glands?

Correct AnswerverifiedShow Answer

____ is considered the first messenger, while ____ is called the second messenger.

Correct AnswerverifiedShow Answer

An adolescent female who is hyperactive, nervous, irritable and has eyes that are protruding from their sockets is most likely suffering from ________ which is caused by ___________.

Correct AnswerverifiedShow Answer

Which of the following hormones is (are) NOT a product of the anterior lobe of the pituitary?

Correct AnswerverifiedShow Answer

Both T3 and T4 are produced in the thyroid and are responsible for increasing the metabolic rate of specific organs in the body.

Correct AnswerverifiedShow Answer

What is a common function of T3 and T4?

Correct AnswerverifiedShow Answer

The part of the brain that controls the anterior pituitary gland secretions is the

Correct AnswerverifiedShow Answer

Zoologists extracted the chemical that the Japanese beetle uses to attract a mate, and used it in a trap to reduce the beetle population. Scientists were using a

Correct AnswerverifiedShow Answer

What is the mode of action of hormones?

Correct AnswerverifiedE

Which of the following statements about parathyroid hormone (PTH) is NOT correct?

Correct AnswerverifiedC

Explain how ADH works in the body when it is released by the hypothalamus?

Correct AnswerverifiedThe hypothalamus releases ADH which is t...View AnswerShow Answer

A woman with a beard most likely has a malfunctioning

Correct AnswerverifiedShow Answer

Which endocrine gland is directly responsible for the secretion of the glucocorticoid cortisol?

Correct AnswerverifiedShow Answer

Steroid hormones act more slowly and maintain their effects longer than peptide hormones.

Correct AnswerverifiedShow Answer

Hypoparathyroidism leads to a dramatic drop in blood calcium, which causes

Correct AnswerverifiedB

________ are hormones that act locally, affecting neighboring cells.

Correct AnswerverifiedShow Answer

Correct Answer
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is considered the first messenger, while is called the second messenger.

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An adolescent female who is hyperactive, nervous, irritable and has eyes that are protruding from their sockets is most likely suffering from which is caused by ___.

Correct Answer
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Both T₃ and T₄ are produced in the thyroid and are responsible for increasing the metabolic rate of specific organs in the body.

Correct Answer
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What is a common function of T₃ and T₄?

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E

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C

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The hypothalamus releases ADH which is t...
View Answer

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B

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