Question 1

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)   Iodine 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) B) and E)

Question 2

Which of the following will inhibit the secretion of growth hormone?

Accepted Answer

A)   growth hormone-releasing hormone (GHRH) 
B)   growth hormone-inhibiting hormone (GHIH) 
C)   somatomedins
D)   a posterior pituitary-inhibiting hormone
E)   T3 and T4F) None of the above
G) A) and E)

Question 3

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) All of the above
F) C) and D)

Question 4

Match the pathological condition with its cause.
-cretinism

Accepted Answer

A)  decreased amounts of thyroid hormone
B)  increased amounts of thyroid hormone
C)  abnormally low levels of aldosterone and cortisol
D)  increased levels of growth hormone in adults
E)  lack of ADHF) B) and E)
G) A) and B)

Question 5

Which of the following helps to keep blood nutrients at normal levels six to eight hours after a meal?

Accepted Answer

A)   parasympathetic stimulation of the pancreas
B)   breakdown of glycogen in the liver releasing glucose
C)   increased production of insulin by the pancreas
D)   increased glucose uptake by cells
E)   glycogen synthesisF) B) and C)
G) A) and E)

Question 6

Secretions of the pineal gland

Accepted Answer

A)   include vasopressin.
B)   may be involved with development of the immune system.
C)   may inhibit reproductive functions.
D)   increase the release of GnRH from the hypothalamus.
E)   decrease the tendency to sleep.F) B) and C)
G) A) and B)

Question 7

Match the pathological condition with its cause.
-acromegaly

Accepted Answer

A)  decreased amounts of thyroid hormone
B)  increased amounts of thyroid hormone
C)  abnormally low levels of aldosterone and cortisol
D)  increased levels of growth hormone in adults
E)  lack of ADHF) B) and E)
G) A) and D)

Question 8

Urine volume ____ when ADH (antidiuretic hormone)  secretion decreases.

Accepted Answer

A)   increases
B)   decreases
C)   is not affected
D)   declines
E)   None of these choices are correct.F) A) and C)
G) A) and D)

Question 9

The ________ pituitary is a neural extension of the hypothalamus.

Accepted Answer

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

Question 10

Which of the following is NOT a regulatory function of the endocrine system?

Accepted Answer

A)   Regulates water balance by controlling the solute concentration of the blood.
B)   Regulates skeletal muscle contraction strength.
C)   Regulates satiation and the breakdown of food into individual nutrients.
D)   Regulates the rate of metabolism.
E)   Regulates the levels of nutrients such as glucose in the blood.F) B) and C)
G) A) and E)

Question 11

The endocrine glands located on top of the kidneys are the

Accepted Answer

A)   thyroid glands.
B)   vestibular glands.
C)   adrenal glands.
D)   parathyroid glands.
E)   renal glands.F) A) and B)
G) C) and D)

Question 12

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) A) and E)

Question 13

Julie was diagnosed with an aggressive tumor of the thyroid. Surgery was performed to remove the thyroid. However, post-operatively, Julie's blood calcium 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) All of the above
G) B) and E)

Question 14

The primary stimulus for release of adrenal medullary hormones comes from

Accepted Answer

A)   the kidneys.
B)   aldosterone.
C)   the anterior pituitary.
D)   the parasympathetic nervous system.
E)   the sympathetic nervous system.F) C) and D)
G) All of the above

Question 15

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

Accepted Answer

A)  glucagon
B)  progesterone
C)  cortisol
D)  T3
E)  prolactinF) A) and B)
G) B) and E)

Question 16

Read the  statements and use the following key to answer them.
-(1)  amount of water reabsorbed by the kidney when ADH is present (2)  amount of water reabsorbed by the kidney when ADH is absent

Accepted Answer

A)  Mark this if the first item is greater than the second item.
B)  Mark this if the first item is less than the second item.
C)  Mark this if the first is equal or nearly equal to the second item.D) B) and C)
E) A) and C)

Question 17

Which of the following situations might be the result of hypersecretion of glucocorticoids?

Accepted Answer

A)   weight loss
B)   hypoglycemia
C)   depression of the immune response
D)   increased plasma levels of ACTH
E)   proteins and fats are unusedF) A) and E)
G) All of the above

Question 18

Which of the following is NOT a regulatory function of the endocrine system?

Accepted Answer

A)   Regulates the rate of metabolism.
B)   Controls development and functions of the reproductive system.
C)   Regulates equilibrium and balance from the inner ear.
D)   Prepares the body for physical activity and stress.
E)   Regulates heart rate and blood pressure.F) B) and D)
G) D) and E)

Question 19

All of the following are regulatory functions of the endocrine system except

Accepted Answer

A)   labor contractions.
B)   development of tissues.
C)   immune functions.
D)   metabolic rate.
E)   thermoregulation.F) A) and E)
G) A) and D)

Question 20

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) B) and C)

Exam 18: Endocrine Glands

All of the following are regulatory functions of the endocrine system except

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Read the statements and use the following key to answer them. -(1) amount of water reabsorbed by the kidney when ADH is present (2) amount of water reabsorbed by the kidney when ADH is absent

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The ________ pituitary is a neural extension of the hypothalamus.

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The primary stimulus for release of adrenal medullary hormones comes from

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

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The endocrine glands located on top of the kidneys are the

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Urine volume ____ when ADH (antidiuretic hormone) secretion decreases.

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Which of the following will inhibit the secretion of growth hormone?

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Releasing hormones

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Which of the following is NOT a regulatory function of the endocrine system?

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Increased metabolic activity and weight loss are associated with

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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 calcium levels began declining to life-threatening levels. This decline is most likely due to

Correct AnswerverifiedShow Answer

ADH (antidiuretic hormone) is secreted in response to

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Which of the following helps to keep blood nutrients at normal levels six to eight hours after a meal?

Correct AnswerverifiedShow Answer

Which of the following is NOT a regulatory function of the endocrine system?

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Match the pathological condition with its cause. -cretinism

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Which of the following situations might be the result of hypersecretion of glucocorticoids?

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Which of the following events occurs last?

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Match the pathological condition with its cause. -acromegaly

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Secretions of the pineal gland

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