Question 1

Thyroid hormone interacts with its target tissue by

Accepted Answer

A)  using the intracellular mediator system.
B)  binding to a membrane bound receptor.
C)  increasing iodine uptake in the target cells.
D)  releasing thyroglobulin.
E)  binding to receptor molecules in the nucleus.F) A) and D)
G) A) and E)

Question 2

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) B) and C)
F) C) and D)

Question 3

Which of the following glands is both an endocrine gland and an exocrine gland?

Accepted Answer

A)  thyroid gland
B)  adrenal gland
C)  pancreas
D)  parathyroid gland
E)  pituitary glandF) None of the above
G) B) and C)

Question 4

ADH (antidiuretic hormone)

Accepted Answer

A)  is produced by cells of the anterior pituitary.
B)  is stored and released from the posterior pituitary.
C)  has the uterus as its primary target.
D)  travels on axons to its target tissue.
E)  travels in the blood from the hypothalamus to the posterior pituitary.F) B) and D)
G) B) and E)

Question 5

A person with insulin-dependent diabetes mellitus (IDDM) forgets to take their insulin.This causes

Accepted Answer

A)  alkalosis.
B)  hypoglycemia.
C)  decreased urine production.
D)  decreased appetite.
E)  hyperglycemia.F) All of the above
G) None of the above

Question 6

Osmoreceptor cells in the hypothalamus are involved in the secretion of

Accepted Answer

A)  growth hormone.
B)  aldosterone.
C)  antidiuretic hormone.
D)  adrenocorticotropic hormone.
E)  parathyroid hormone.F) B) and E)
G) A) and E)

Question 7

Match the hormone with its appropriate function.
-prolactin

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) A) and D)
G) None of the above

Question 8

Which of these hormones is NOT secreted by the adrenal cortex?

Accepted Answer

A)  cortisol
B)  norepinephrine
C)  androgens
D)  aldosterone
E)  glucocorticoidsF) C) and E)
G) A) and E)

Question 9

Removal of the anterior pituitary would affect the functioning of the

Accepted Answer

A)  thyroid gland.
B)  pancreas isles of Langerhans in the pancreas.
C)  parathyroid gland.
D)  adrenal medulla.
E)  kidney.F) D) and E)
G) A) and E)

Question 10

Which of the following occurs when insulin molecules bind to their receptors on target cells?

Accepted Answer

A)  increased mRNA synthesis in the target cells
B)  minimal uptake of glucose by target cells
C)  phosphorylation of proteins in the plasma membrane in the target cells
D)  increased numbers of active transport molecules for glucose
E)  phosphorylation of proteins in the plasma membrane in the target cells and increased numbers of active transport molecules for glucoseF) D) and E)
G) A) and C)

Question 11

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

Accepted Answer

A)  glucagon
B)  progesterone
C)  cortisol
D)  T3
E)  prolactin,F) B) and E)
G) C) and D)

Question 12

Which of the following will decrease glucocorticoid secretion by the adrenal cortex?

Accepted Answer

A)  hypoglycemia and stress
B)  increased CRH production
C)  increased plasma levels of cortisol
D)  increased plasma levels of ACTH
E)  decreased plasma levels of cortisolF) B) and D)
G) A) and E)

Question 13

Which hormone is required for ovulation and formation of the corpus luteum?

Accepted Answer

A)  FSH (follicle-stimulating hormone) 
B)  LH (luteinizing hormone) 
C)  TSH (thyroid-stimulating hormone) 
D)  prolactin
E)  MSH (melanocyte-stimulating hormone) F) A) and D)
G) B) and D)

Question 14

Glucagon is synthesized by the ________ cells of the pancreas.

Accepted Answer

The answer of Glucagon is synthesized by the ________ cells...

Question 15

In gluconeogenesis

Accepted Answer

A)  glucose is used for energy.
B)  glycogen is broken down to glucose.
C)  glucose is formed from amino acids.
D)  glycogen is synthesized from excess glucose.
E)  glucose is formed from fatty acids.F) B) and C)
G) A) and C)

Question 16

John Smith works outdoors in the winter at a ski resort.His thyroid hormone levels are

Accepted Answer

A)  lower in the winter to conserve body heat.
B)  higher in the winter to increase body temperature.
C)  lowered in the summer after his job to decrease body temperature.
D)  increased in the summer after his job to increase body temperature.
E)  unaffected by his job.F) A) and B)
G) B) and E)

Question 17

ADH (antidiuretic hormone) secretion will increase when

Accepted Answer

A)  blood osmolality increases.
B)  blood pressure increases.
C)  blood volume increases.
D)  blood pressure decreases.
E)  Both blood osmolality increases and blood pressure decreases are correct.F) A) and C)
G) A) and B)

Question 18

Match the hormone with the best description.
-estrogen

Accepted Answer

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

Question 19

In the blood,

Accepted Answer

A)  most T3 and T4 molecules are found bound to thyroxine-binding globulin (TBG) .
B)  T3 and T4 are rapidly metabolized.
C)  T3 is converted into T4.
D)  T3 but not T4 is bound to TSH.
E)  most thyroid hormones are transported in a free form.F) A) and B)
G) B) and D)

Question 20

If GH (growth hormone) secretion is deficient in a newborn,the child will

Accepted Answer

A)  develop acromegaly as an adult.
B)  mature sexually at an earlier age.
C)  be in constant danger of dehydration.
D)  probably experience reduced bone growth.
E)  probably experience increased bone growth.F) A) and E)
G) A) and C)

Exam 18: Endocrine Glands

Osmoreceptor cells in the hypothalamus are involved in the secretion of

Correct AnswerverifiedShow Answer

Removal of the anterior pituitary would affect the functioning of the

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A person with insulin-dependent diabetes mellitus (IDDM) forgets to take their insulin.This causes

Correct AnswerverifiedShow Answer

John Smith works outdoors in the winter at a ski resort.His thyroid hormone levels are

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Which of the following occurs when insulin molecules bind to their receptors on target cells?

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ADH (antidiuretic hormone) secretion will increase when

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Match the hormone with the best description. -estrogen

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

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Glucagon is synthesized by the ________ cells of the pancreas.

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If GH (growth hormone) secretion is deficient in a newborn,the child will

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In gluconeogenesis

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Which of these hormones is NOT secreted by the adrenal cortex?

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ADH (antidiuretic hormone)

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Thyroid hormone interacts with its target tissue by

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Match the hormone with its appropriate function. -prolactin

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Which of the following will decrease glucocorticoid secretion by the adrenal cortex?

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Which of the following glands is both an endocrine gland and an exocrine gland?

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In the blood,

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Which hormone is required for ovulation and formation of the corpus luteum?

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Releasing hormones

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