Question 1

The disease called ___________ is caused by excessive secretion of glucocorticoids,and is characterized by redistribution of body fat to produce the features known as "moon face" and "buffalo hump".

Accepted Answer

A)  Cushing syndrome
B)  Addison disease
C)  androgenital syndrome
D)  pheochromocytoma
E)  Graves diseaseF) B) and E)
G) A) and B)

Question 2

Where are the target cells for antidiuretic hormone?

Accepted Answer

A)  Adrenal cortex and thyroid gland
B)  Kidney tubules and smooth muscle of arteriole walls
C)  Ovaries and testes
D)  Smooth muscle of urinary bladder
E)  Smooth muscle of male reproductive tractF) A) and B)
G) C) and E)

Question 3

The "master control center" of the endocrine system is the

Accepted Answer

A)  pituitary gland.
B)  cerebral cortex.
C)  spinal cord.
D)  hypothalamus.
E)  adrenal cortex.F) D) and E)
G) B) and C)

Question 4

The metabolic condition called ___________ results from the destruction of the beta cells in the pancreas due to an autoimmune response.

Accepted Answer

A)  Type 2 diabetes
B)  gestational diabetes
C)  beta cell diabetes
D)  insulin-independent diabetes mellitus
E)  Type 1 diabetesF) B) and D)
G) B) and E)

Question 5

-This figure shows an example of regulation of hormone secretion by a negative feedback loop.The large box labeled 1 represents the initial stimulus.Which could be the initial stimulus for this pattern of regulation?

Accepted Answer

A)  High blood calcium level
B)  Low body temperature
C)  Low blood sugar level
D)  High WBC (white blood cell) count
E)  Low RBC (red blood cell) countF) C) and E)
G) C) and D)

Question 6

Which hormone group is not secreted by the adrenal cortex?

Accepted Answer

A)  Corticosteroids
B)  Glucocorticoids
C)  Mineralocorticoids
D)  Gonadocorticoids
E)  All of the choices are correct.F) C) and D)
G) None of the above

Question 7

In addition to secreting hormones,the pancreas also produces

Accepted Answer

A)  white blood cells.
B)  sodium chloride.
C)  pancreatic juice.
D)  endorphins.
E)  prostaglandins.F) A) and B)
G) A) and C)

Question 8

Which hormone stimulates processes that decrease the concentration of calcium ions in the blood?

Accepted Answer

A)  Parathyroid hormone
B)  Thyroid hormone
C)  Thymosin
D)  Calcitonin
E)  ThyroglobulinF) C) and D)
G) A) and E)

Question 9

You are "shadowing" an endocrinologist who is examining a patient complaining of weakness,weight loss,and heat intolerance.The doctor points out the patient's obvious exophthalmos and asks for your diagnosis.What would you speculate is the patient's problem?

Accepted Answer

A)  Hyposecretion of parathyroid hormone
B)  Hypersecretion of parathyroid hormone
C)  Hyposecretion of thyroid hormone
D)  Hypersecretion of thyroid hormone
E)  Hyposecretion of calcitoninF) A) and E)
G) B) and C)

Question 10

The three distinct areas of the anterior pituitary are the

Accepted Answer

A)  pars nervosa,pars distalis,and pars intermedia.
B)  pars distalis,pars intermedia,and pars tuberalis.
C)  pars tuberalis,median eminence,and pars intermedia.
D)  pars tuberalis,pars distalis,and pars nervosa.
E)  pars intermedia,median eminence,and pars distalis.F) B) and E)
G) None of the above

Question 11

Which is not correct regarding the pancreas?

Accepted Answer

A)  It is located posterior to the stomach,between the small intestine and the spleen.
B)  It is a heterocrine,or mixed,gland.
C)  It is elongated in shape,spongy,and nodular.
D)  The majority of cells in the pancreas are pancreatic acini.
E)  It does not begin to secrete its hormones until puberty.F) A) and E)
G) A) and B)

Question 12

Which is not correct regarding the hypothalamo-hypophyseal portal system?

Accepted Answer

A)  The system includes two capillary plexuses.
B)  The system carries venous blood.
C)  The system is the circulatory connection between the hypothalamus and the posterior pituitary.
D)  The system is drained by the anterior hypophyseal veins.
E)  The system transports hypothalamic hormones.F) C) and E)
G) A) and D)

Question 13

Which is not correct regarding the posterior pituitary?

Accepted Answer

A)  It is derived from nervous tissue
B)  It is connected to the hypothalamus by the hypothalamo-hypophyseal tract
C)  It is composed of the pars intermedia and the infundibular stalk
D)  It stores oxytocin and antidiuretic hormone
E)  It releases its hormones in response to nervous stimulationF) B) and D)
G) A) and B)

Question 14

Which hormones are formed from chains of amino acids?

Accepted Answer

A)  Steroids
B)  Peptides
C)  Biogenic amines
D)  Steroids and biogenic amines
E)  Peptides and biogenic aminesF) A) and B)
G) A) and E)

Question 15

The pancreas has both endocrine and exocrine functions.

Accepted Answer

A) True 
 B)False

Question 16

Which is not a glucocorticoid?

Accepted Answer

A)  Hydrocortisone
B)  Cortisol
C)  Corticosterone
D)  Aldosterone
E)  All of the choices are correct.F) A) and C)
G) A) and E)

Question 17

Which hormone induces its target cells to take up glucose,thereby lowering blood glucose levels?

Accepted Answer

A)  Pancreatic polypeptide
B)  Somatostatin
C)  Glucagon
D)  Insulin
E)  SomatotropinF) C) and D)
G) A) and E)

Question 18

Which is not correct regarding the adrenal medulla?

Accepted Answer

A)  It is derived from embryonic neural crest cells.
B)  It is red-brown in color due to its extensive vascularization.
C)  It consists of clusters of cells called oxyphil cells.
D)  It secretes the hormones epinephrine and norepinephrine.
E)  Its cells are innervated by preganglionic sympathetic axons.F) All of the above
G) B) and D)

Question 19

Which hormone is secreted by modified cells in the heart wall in response to high blood volume or pressure?

Accepted Answer

A)  Renin
B)  Angiotensin I
C)  Angiotensin II
D)  Atriopeptin
E)  ErythropoietinF) A) and E)
G) All of the above

Question 20

The anterior pituitary synthesizes and secretes ______ different hormones,while the posterior pituitary stores and secretes only ______ different hormones.

Accepted Answer

A)  9;5
B)  6;4
C)  7;2
D)  8;3
E)  8;4F) B) and E)
G) None of the above

Exam 20: Endocrine System

Which hormone induces its target cells to take up glucose,thereby lowering blood glucose levels?

Correct AnswerverifiedShow Answer

Which hormone is secreted by modified cells in the heart wall in response to high blood volume or pressure?

Correct AnswerverifiedShow Answer

Which is not a glucocorticoid?

Correct AnswerverifiedShow Answer

The metabolic condition called ___________ results from the destruction of the beta cells in the pancreas due to an autoimmune response.

Correct AnswerverifiedShow Answer

Which hormone stimulates processes that decrease the concentration of calcium ions in the blood?

Correct AnswerverifiedShow Answer

You are "shadowing" an endocrinologist who is examining a patient complaining of weakness,weight loss,and heat intolerance.The doctor points out the patient's obvious exophthalmos and asks for your diagnosis.What would you speculate is the patient's problem?

Correct AnswerverifiedShow Answer

Which is not correct regarding the hypothalamo-hypophyseal portal system?

Correct AnswerverifiedShow Answer

In addition to secreting hormones,the pancreas also produces

Correct AnswerverifiedShow Answer

-This figure shows an example of regulation of hormone secretion by a negative feedback loop.The large box labeled 1 represents the initial stimulus.Which could be the initial stimulus for this pattern of regulation?

Correct AnswerverifiedShow Answer

Which is not correct regarding the posterior pituitary?

Correct AnswerverifiedShow Answer

The pancreas has both endocrine and exocrine functions.

Correct AnswerverifiedShow Answer

Which is not correct regarding the adrenal medulla?

Correct AnswerverifiedShow Answer

The three distinct areas of the anterior pituitary are the

Correct AnswerverifiedShow Answer

Where are the target cells for antidiuretic hormone?

Correct AnswerverifiedShow Answer

The anterior pituitary synthesizes and secretes ______ different hormones,while the posterior pituitary stores and secretes only ______ different hormones.

Correct AnswerverifiedShow Answer

Which hormone group is not secreted by the adrenal cortex?

Correct AnswerverifiedShow Answer

The "master control center" of the endocrine system is the

Correct AnswerverifiedShow Answer

Which is not correct regarding the pancreas?

Correct AnswerverifiedShow Answer

Which hormones are formed from chains of amino acids?

Correct AnswerverifiedShow Answer

The disease called ___________ is caused by excessive secretion of glucocorticoids,and is characterized by redistribution of body fat to produce the features known as "moon face" and "buffalo hump".

Correct AnswerverifiedShow Answer

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The anterior pituitary synthesizes and secretes different hormones,while the posterior pituitary stores and secretes only different hormones.

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