Question 1

Which of the following is NOT an effect of dropping blood glucose levels,1-2 hours after a meal?

Accepted Answer

A)  increased sympathetic stimulation causes insulin secretion to decrease
B)  decreasing blood nutrient levels cause increased growth hormone secretion
C)  decreasing blood nutrient levels cause increased cortisol secretion
D)  increasing parasympathetic stimulation causes increased glucagon secretionE) None of the above
F) C) and D)

Question 2

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) A) and E)
G) C) and D)

Question 3

Match the hormone with the best description.
-progesterone

Accepted Answer

A)  aids in spermatogenesis
B)  inhibits FSH secretion
C)  menstrual cycle
D)  increases flexibility of connective tissue,E) A) and B)
F) None of the above

Question 4

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) All of the above
G) B) and D)

Question 5

Match the hormone with the best description.
-inhibin

Accepted Answer

A)  aids in spermatogenesis
B)  inhibits FSH secretion
C)  menstrual cycle
D)  increases flexibility of connective tissue,E) B) and C)
F) All of the above

Question 6

Match the cell type with the hormone produced by that cell type.
-neurosecretory cells

Accepted Answer

A)  mineralocorticoids
B)  PTH
C)  insulin
D)  ADH
E)  T3,F) B) and E)
G) A) and D)

Question 7

If fluid intake increases dramatically over a short time frame,

Accepted Answer

A)  ADH (antidiuretic hormone) secretion increases.
B)  ADH secretion decreases.
C)  there is no effect on ADH secretion.
D)  ADH secretion stops.
E)  None of these choices are correct.F) None of the above
G) A) and B)

Question 8

A function of insulin is to

Accepted Answer

A)  increase the uptake of glucose by its target tissues.
B)  decrease the uptake of amino acids by its target tissues.
C)  increase glycogen breakdown in the liver and skeletal muscle.
D)  increase breakdown of fats.
E)  increase gluconeogenesis.F) None of the above
G) B) and D)

Question 9

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) A) and B)
G) B) and C)

Question 10

Oxytocin is responsible for

Accepted Answer

A)  preventing release of insulin from the pancreas.
B)  preventing the formation of goiters.
C)  milk production by the mammary glands.
D)  regulating blood calcium levels.
E)  causing contractions of uterine smooth muscle during labor.F) C) and D)
G) B) and C)

Question 11

Increased insulin secretion immediately following a meal will result in increased

Accepted Answer

A)  fat catabolism.
B)  glycogenolysis.
C)  gluconeogenesis.
D)  glycogen synthesis.
E)  release of glucose into the circulatory system.F) A) and B)
G) A) and C)

Question 12

Match the pathological condition with its cause.
-Grave's Disease

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 ADH,F) D) and E)
G) B) and D)

Question 13

Which of the following statements concerning the pancreas is true?

Accepted Answer

A)  Most of the hormones produced by the pancreas flow into the pancreatic duct.
B)  Both glucagon and insulin are produced in the islets of Langerhans.
C)  The pancreas is located above the liver.
D)  The endocrine portion of the gland is called the zona reticularis.
E)  Alpha and beta cells are associated with the acini.F) A) and B)
G) All of the above

Question 14

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 B)

Question 15

Match the hormone with its appropriate function.
-ACTH

Accepted Answer

A)  stimulates synthesis of thyroid hormones
B)  increases adrenal cortex secretions
C)  development of immune system
D)  milk production
E)  decreases blood calcium levels,F) B) and C)
G) A) and B)

Question 16

What role does oxytocin play in lactation?

Accepted Answer

A)  ejection of milk
B)  production of milk
C)  storage of milk
D)  stop production of milkE) All of the above
F) A) and C)

Question 17

The hypothalamohypophysial portal system carries hormones from the

Accepted Answer

A)  anterior pituitary to the hypothalamus.
B)  posterior pituitary to the hypothalamus.
C)  hypothalamus to the anterior pituitary.
D)  hypothalamus to the posterior pituitary.
E)  anterior pituitary to posterior pituitary.F) B) and C)
G) C) and D)

Question 18

Oxytocin release is stimulated by

Accepted Answer

A)  nursing a baby.
B)  increased blood pressure.
C)  increased urine output.
D)  a hypothalamic-releasing hormone.
E)  increased blood osmolality.F) A) and B)
G) None of the above

Question 19

During a race,a long-distance runner twisted his ankle.He finished the race without feeling any pain in his ankle.This lack of the perception of pain could be the result of an increase in

Accepted Answer

A)  gonadotropins.
B)  lipotropins.
C)  somatotropins.
D)  epinephrine.
E)  beta endorphins.F) B) and C)
G) D) and E)

Question 20

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) A) and B)
G) A) and C)

Exam 18: Endocrine Glands

Oxytocin release is stimulated by

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Match the hormone with its appropriate function. -ACTH

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Match the pathological condition with its cause. -Grave's Disease

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During a race,a long-distance runner twisted his ankle.He finished the race without feeling any pain in his ankle.This lack of the perception of pain could be the result of an increase in

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Secretions of the pineal gland

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What role does oxytocin play in lactation?

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Which of the following statements concerning the pancreas is true?

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Match the hormone with the best description. -inhibin

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Oxytocin is responsible for

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

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A function of insulin is to

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

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If fluid intake increases dramatically over a short time frame,

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Match the cell type with the hormone produced by that cell type. -neurosecretory cells

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The posterior pituitary

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Which of the following is NOT an effect of dropping blood glucose levels,1-2 hours after a meal?

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The hypothalamohypophysial portal system carries hormones from the

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

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Increased insulin secretion immediately following a meal will result in increased

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Match the hormone with the best description. -progesterone

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