Question 1

Which labeled structure in the diagram secretes somatostatin?

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  EF) All of the above
G) A) and B)

Question 2

Which of the labeled endocrine glands secretes hormones that regulate the basal metabolic rate (BMR) ?

Accepted Answer

A)  C
B)  D
C)  A
D)  G
E)  IF) None of the above
G) A) and B)

Question 3

What is the major function of the hormone produced by the cells marked in the thyroid follicle shown in the histology picture?

Accepted Answer

A)  Involved in regulation of calcium homeostasis.
B)  Enhances contraction of smooth muscle cells in the uterus during delivery.
C)  In females,initiates development of oocytes.In males,stimulates sperm production.
D)  Decreases urine volume.
E)  Increases blood levels of Na⁺ and water.F) A) and B)
G) A) and E)

Question 4

Which of the following germ layers does the thyroid gland develop from during embryonic development?

Accepted Answer

A)  Mesoderm
B)  Endoderm
C)  Ectoderm
D)  A combination of two of the layers
E)  None of the answer selections are correctF) A) and E)
G) A) and D)

Question 5

Which blood glucose-lowering hormone is produced by the pancreatic islet cells?

Accepted Answer

A)  Insulin
B)  Glucagon
C)  Somatostatin
D)  Thyroid hormones
E)  CalcitoninF) C) and D)
G) A) and C)

Question 6

Endocrine tissues that secrete steroid hormones all are derived from

Accepted Answer

A)  mesoderm.
B)  endoderm.
C)  ectoderm.
D)  a combination of two or more layers.
E)  none of the layers that are listed.F) None of the above
G) B) and E)

Question 7

Which of the following hormones is produced in zone of adrenal gland labeled B?

Accepted Answer

A)  cortisol
B)  epinephrine
C)  norepinephrine
D)  glucagon
E)  androgensF) C) and D)
G) B) and E)

Question 8

The patient shown is suffering from a disease called ____________,caused by a pituitary hypersecretion of hGH during adulthood.

Accepted Answer

A)  Goiter
B)  Graves' Disease
C)  Acromegaly
D)  Cushing's syndrome
E)  GiantismF) C) and E)
G) B) and C)

Question 9

When one hormone opposes the action of another hormone,it is called a(n)

Accepted Answer

A)  synergistic effect.
B)  permissive effect.
C)  antagonistic effect.
D)  circulating effect.
E)  local effect.F) B) and D)
G) A) and E)

Question 10

Which of the following hormones is produced by the cells marked in the thyroid follicle shown in the histology picture?

Accepted Answer

A)  calcitonin
B)  vasopressin
C)  triiodothyronine (T₃) 
D)  antidiuretic hormone (ADH) 
E)  calcitriolF) None of the above
G) B) and E)

Question 11

What is a goiter? Explain how goiters can develop in both hyposecretion and hypersecretion disorders.In these hyposecretion and hypersecretion disorders,would you expect the levels of other regulatory hormones involved in control of thyroid hormone secretion to be high or low? Why?

Accepted Answer

The answer of What is a goiter? Explain how goiters...

Question 12

Which of the following hormones opposes the action of parathyroid hormone?

Accepted Answer

A)  Thyroid-stimulating hormone
B)  Testosterone
C)  Insulin
D)  Calcitonin
E)  CalcitriolF) D) and E)
G) B) and E)

Question 13

Human chorionic gonadotropin (hCG) is produced by the

Accepted Answer

A)  placenta.
B)  ovaries.
C)  testes.
D)  pituitary gland.
E)  hypothalamus.F) C) and E)
G) C) and D)

Question 14

Which of the following is an eicosanoid??1.Prostaglandin?2.Leukotriene?3.Glycoprotein

Accepted Answer

A)  1 only
B)  2 only
C)  3 only
D)  Both 1and 2
E)  All of these choicesF) A) and E)
G) B) and E)

Question 15

The disorder shown in one of the identical twins seen in this figure is due to a hypersecretion of hormones by which endocrine gland?

Accepted Answer

A)  Thyroid gland
B)  Pineal gland
C)  Parathyroid gland
D)  Pituitary gland
E)  PancreasF) B) and E)
G) All of the above

Question 16

Which of the following is NOT a common characteristic of an exocrine gland?

Accepted Answer

A)  Initially secretes its products into a duct.
B)  Secretes materials onto outer surface of the body.
C)  Secretes materials into the lumen of hollow organs.
D)  Its secretory products are carried in body fluids to distant target cells.
E)  All the answer selections describe characteristics of exocrine glands.F) A) and B)
G) C) and D)

Question 17

Which of the following germ layers does the anterior pituitary gland develop from during embryonic development?

Accepted Answer

A)  Mesoderm
B)  Endoderm
C)  Ectoderm
D)  A combination of two of the layers
E)  None of the answer selections are correctF) B) and C)
G) A) and B)

Question 18

Identify the stalk-like structure labeled A in the diagram.

Accepted Answer

A)  hypothalamus
B)  anterior pituitary
C)  posterior pituitary
D)  infundibulum
E)  hypophyseal fossaF) A) and B)
G) B) and D)

Question 19

A type of hormone that acts on neighboring cells without entering the bloodstream.?1.Local hormone?2.Paracrine?3.Autocrine?4.Circulating hormone

Accepted Answer

A)  1 only
B)  2 only
C)  3 only
D)  4 only
E)  Both 1 and 2F) B) and D)
G) A) and B)

Question 20

Which zone of the adrenal gland secretes androgens?

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  None of the zonesF) A) and D)
G) A) and C)

Exam 18: The Endocrine System

Which of the following is an eicosanoid??1.Prostaglandin?2.Leukotriene?3.Glycoprotein

Correct AnswerverifiedShow Answer

Which blood glucose-lowering hormone is produced by the pancreatic islet cells?

Correct AnswerverifiedShow Answer

A type of hormone that acts on neighboring cells without entering the bloodstream.?1.Local hormone?2.Paracrine?3.Autocrine?4.Circulating hormone

Correct AnswerverifiedShow Answer

Which of the following germ layers does the anterior pituitary gland develop from during embryonic development?

Correct AnswerverifiedShow Answer

Which of the labeled endocrine glands secretes hormones that regulate the basal metabolic rate (BMR) ?

Correct AnswerverifiedShow Answer

Identify the stalk-like structure labeled A in the diagram.

Correct AnswerverifiedShow Answer

When one hormone opposes the action of another hormone,it is called a(n)

Correct AnswerverifiedShow Answer

The patient shown is suffering from a disease called ____________,caused by a pituitary hypersecretion of hGH during adulthood.

Correct AnswerverifiedShow Answer

Endocrine tissues that secrete steroid hormones all are derived from

Correct AnswerverifiedShow Answer

Which zone of the adrenal gland secretes androgens?

Correct AnswerverifiedShow Answer

The disorder shown in one of the identical twins seen in this figure is due to a hypersecretion of hormones by which endocrine gland?

Correct AnswerverifiedShow Answer

What is the major function of the hormone produced by the cells marked in the thyroid follicle shown in the histology picture?

Correct AnswerverifiedShow Answer

Human chorionic gonadotropin (hCG) is produced by the

Correct AnswerverifiedShow Answer

What is a goiter? Explain how goiters can develop in both hyposecretion and hypersecretion disorders.In these hyposecretion and hypersecretion disorders,would you expect the levels of other regulatory hormones involved in control of thyroid hormone secretion to be high or low? Why?

Correct AnswerverifiedShow Answer

Which of the following hormones is produced in zone of adrenal gland labeled B?

Correct AnswerverifiedShow Answer

Which of the following hormones opposes the action of parathyroid hormone?

Correct AnswerverifiedShow Answer

Which of the following hormones is produced by the cells marked in the thyroid follicle shown in the histology picture?

Correct AnswerverifiedShow Answer

Which of the following is NOT a common characteristic of an exocrine gland?

Correct AnswerverifiedShow Answer

Which labeled structure in the diagram secretes somatostatin?

Correct AnswerverifiedShow Answer

Which of the following germ layers does the thyroid gland develop from during embryonic development?

Correct AnswerverifiedShow Answer

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