Question 1

Where are the target cells for follicle-stimulating hormone?

Accepted Answer

A)  Thyroid follicles
B)  Ovaries and testes
C)  Mammary glands
D)  Uterus
E)  Hair folliclesF) B) and E)
G) D) and E)

Question 2

What brain structure directly controls the secretion of hormones by the adrenal medulla?

Accepted Answer

A)  Hypothalamus
B)  Anterior pituitary gland
C)  Pineal gland
D)  Posterior pituitary glandE) A) and D)
F) A) and C)

Question 3

What is the function of the mineralocorticoids secreted by the adrenal gland?

Accepted Answer

A)  Regulate glucose levels in the blood
B)  Act as secondary sex hormones
C)  Stimulate metabolism of lipids
D)  Regulate electrolyte concentration in body fluids
E)  Stimulate metabolism of proteinsF) B) and D)
G) C) and D)

Question 4

Digestion of ________ in the digestive tract stimulates the release of pancreatic polypeptide by the pancreatic islets.

Accepted Answer

A)  fat
B)  carbohydrate
C)  mineral
D)  vitamins
E)  proteinF) B) and E)
G) B) and C)

Question 5

Which hormones are formed from chains of amino acids?

Accepted Answer

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

Question 6

Which is not involved in the feedback loop regulation of thyroid hormone secretion?

Accepted Answer

A)  Hypothalamus
B)  Thyroid stimulating hormone
C)  Thyrotropin-releasing hormone
D)  Parafollicular cells
E)  Thyrotropic cellsF) B) and D)
G) B) and C)

Question 7

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) B) and D)
G) B) and E)

Question 8

Which is not correct regarding the development of the endocrine system?

Accepted Answer

A)  The adrenal medulla develops from neural crest cells.
B)  The hypophyseal pouch and neurohypophyseal bud combine to form the pituitary gland.
C)   The thyroid gland becomes functional by weeks 10-12 of development.
D)  The thyroid gland initially forms as a mass that is part of the developing tongue.
E)  The adrenal cortex has portions derived from all three embryonic germ layers.F) B) and C)
G) C) and D)

Question 9

Pancreatic hormones are secreted directly into the pancreatic duct for rapid transport to the small intestine.

Accepted Answer

A) True 
 B)False

Question 10

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) B) and E)
G) A) and E)

Question 11

Endocrine glands

Accepted Answer

A)  are ductless glands.
B)  are the organs of the endocrine system.
C)  secrete hormones directly into the bloodstream.
D)  help maintain homeostasis.
E)  All of the choices are correct.F) C) and D)
G) B) and E)

Question 12

The release of hormones from the adrenal medulla is stimulated by

Accepted Answer

A)  adrenocorticotropic hormone.
B)  the sympathetic division of the autonomic nervous system.
C)  follicle-stimulating hormone.
D)  growth hormone.
E)  thyrotropic hormone.F) B) and C)
G) A) and E)

Question 13

Steroids,proteins,and nucleic acids are the three classes of hormones.

Accepted Answer

A) True 
 B)False

Question 14

Which hormone is secreted by the beta cells of the pancreas?

Accepted Answer

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

Question 15

What is the function of epinephrine and norepinephrine?

Accepted Answer

A)  Regulate blood calcium levels
B)  Stimulate synthesis of glycogen for long-term energy reserves
C)  Regulate blood volume and blood pressure
D)  Prepare the body for emergency situations and prolong fight-or-flight response
E)  Block target cell receptors to prevent binding of secondary hormonesF) C) and E)
G) A) and B)

Question 16

The parathyroid gland consists of oxyphil cells,alpha cells,and beta cells.

Accepted Answer

A) True 
 B)False

Question 17

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

Question 18

The anterior pituitary gland develops from the embryonic pharynx.

Accepted Answer

A) True 
 B)False

Question 19

The hormones secreted by the thymus gland are

Accepted Answer

A)  thymopoietin and thymosins.
B)  thymotropin and thymostatin.
C)  thymopoietin and thymotropin.
D)  thymostatin and thymosins.
E)  thymopoietin and thymostatin.F) All of the above
G) B) and C)

Question 20

The hypothalamus influences endocrine activity by

Accepted Answer

A)  secreting regulatory hormones that influence the anterior pituitary gland.
B)  producing hormones that are stored in the posterior pituitary gland.
C)  overseeing the autonomic nervous system.
D)  stimulating hormone secretion by the adrenal medulla.
E)  All of the choices are correct.F) C) and E)
G) B) and C)

Exam 20: Endocrine System

Pancreatic hormones are secreted directly into the pancreatic duct for rapid transport to the small intestine.

Correct AnswerverifiedShow Answer

Steroids,proteins,and nucleic acids are the three classes of hormones.

Correct AnswerverifiedShow Answer

The hormones secreted by the thymus gland are

Correct AnswerverifiedShow Answer

Which hormones are formed from chains of amino acids?

Correct AnswerverifiedShow Answer

What is the function of the mineralocorticoids secreted by the adrenal gland?

Correct AnswerverifiedShow Answer

What brain structure directly controls the secretion of hormones by the adrenal medulla?

Correct AnswerverifiedShow Answer

Which hormone is secreted by the beta cells of the pancreas?

Correct AnswerverifiedShow Answer

The hypothalamus influences endocrine activity by

Correct AnswerverifiedShow Answer

The release of hormones from the adrenal medulla is stimulated by

Correct AnswerverifiedShow Answer

Which is not correct regarding the development of the endocrine system?

Correct AnswerverifiedShow Answer

Where are the target cells for follicle-stimulating hormone?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The parathyroid gland consists of oxyphil cells,alpha cells,and beta cells.

Correct AnswerverifiedShow Answer

Digestion of ________ in the digestive tract stimulates the release of pancreatic polypeptide by the pancreatic islets.

Correct AnswerverifiedShow Answer

The anterior pituitary gland develops from the embryonic pharynx.

Correct AnswerverifiedShow Answer

Which is not involved in the feedback loop regulation of thyroid hormone secretion?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Endocrine glands

Correct AnswerverifiedShow Answer

Which is not correct regarding the pancreas?

Correct AnswerverifiedShow Answer

What is the function of epinephrine and norepinephrine?

Correct AnswerverifiedShow Answer

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