Question 1

___________________ can form a goiter due to the presence of autoantibodies that exert TSH-like effects on the thyroid.

Accepted Answer

A)  Grave's disease
B)  Myxedema
C)  Cretinism
D)  Cushing's diseaseE) All of the above
F) A) and D)

Question 2

Prolonged stress may stimulate

Accepted Answer

A)  symptoms similar to Cushing's syndrome.
B)  increased resistance to disease.
C)  adrenal gland atrophy.
D)  no apparent physiological changes.E) C) and D)
F) A) and B)

Question 3

To induce full cellular effects,thyroid hormones also require the actions of

Accepted Answer

A)  adrenocorticotropin.
B)  melatonin.
C)  9-cis-retinoic acid.
D)  somatomedins.E) B) and D)
F) None of the above

Question 4

Insulin and glucagon are antagonistic hormones.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is NOT a polypeptide or glycoprotein hormone

Accepted Answer

A)  cortisol
B)  glucagon
C)  antidiuretic hormone
D)  parathyroid hormoneE) C) and D)
F) B) and C)

Question 6

Biologically active molecules in the blood are called hormones.

Accepted Answer

A) True 
 B)False

Question 7

A(n) _____________ is an abnormal growth of the thyroid gland due to an iodine deficiency.

Accepted Answer

A)  tumor
B)  goiter
C)  abscss
D)  keloidE) A) and B)
F) None of the above

Question 8

Pheromones act through the gustatory sense to modify the physiology or behavior of another member of the same species.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is NOT true of calcitonin?

Accepted Answer

A)  It is made by follicle cells of the thyroid.
B)  Inhibits loss of calcium by bones.
C)  It lowers blood calcium levels.
D)  All apply.E) All of the above
F) B) and D)

Question 10

Cellular actions of insulin could be inhibited by

Accepted Answer

A)  decreasing intracellular calmodulin.
B)  stimulating protein kinase activity.
C)  inhibiting translation.
D)  inhibiting receptor phosphorylation.E) All of the above
F) B) and C)

Question 11

Melatonin can pass through plasma membranes since it is derived from the nonpolar amino acid tryptophan.

Accepted Answer

A) True 
 B)False

Question 12

When two or more hormones work together to produce a particular result,their effects are

Accepted Answer

A)  permissive.
B)  antagonistic.
C)  synergistiC.
D)  inhibitory.E) All of the above
F) B) and C)

Question 13

What is the function of the hypothalamo-hypophyseal tract?

Accepted Answer

A)  transports releasing hormones from the hypothalamus to the anterior pituitary
B)  transports nerve impulse from the hypothalamus to the anterior pituitary
C)  transports hormones and nerve impulses from the hypothalamus to the posterior pituitary
D)  All apply.E) All of the above
F) A) and C)

Question 14

Steroid hormone influence on gene expression is known as

Accepted Answer

A)  genomic action.
B)  nongenomic action.
C)  dimerization.
D)  translocation.E) All of the above
F) A) and D)

Question 15

Diabetes mellitus occurs due to lack of liver beta-cell function.

Accepted Answer

A) True 
 B)False

Question 16

Nuclear receptors that have been identified and their genes cloned,but their hormone ligands are unknown are called

Accepted Answer

A)  transcription factors.
B)  unknown ligands.
C)  orphan receptors.
D)  nongenomic receptors.E) None of the above
F) All of the above

Question 17

Thyroid hormone receptor proteins are found

Accepted Answer

A)  on the plasma membrane.
B)  in the cytoplasm.
C)  in the nucleus.
D)  All apply.E) B) and D)
F) A) and B)

Question 18

_____________ inhibits COX3 in the brain which results in pain and fever reduction.

Accepted Answer

A)  Acetaminophen (Tylenol) 
B)  Aspirin
C)  Ibuprofen (Motrin) 
D)  All apply.E) All of the above
F) A) and D)

Question 19

Caffeine raises intracellular cAMP concentrations by inhibiting phosphodiesterase.

Accepted Answer

A) True 
 B)False

Question 20

Progesterone is secreted primarily from the corpus luteum.

Accepted Answer

A) True 
 B)False

Exam 11: Endocrine Glands: Secretion and Action of Hormones

Progesterone is secreted primarily from the corpus luteum.

Correct AnswerverifiedShow Answer

Biologically active molecules in the blood are called hormones.

Correct AnswerverifiedShow Answer

A(n) _____________ is an abnormal growth of the thyroid gland due to an iodine deficiency.

Correct AnswerverifiedShow Answer

Nuclear receptors that have been identified and their genes cloned,but their hormone ligands are unknown are called

Correct AnswerverifiedShow Answer

Caffeine raises intracellular cAMP concentrations by inhibiting phosphodiesterase.

Correct AnswerverifiedShow Answer

Which of the following is NOT a polypeptide or glycoprotein hormone

Correct AnswerverifiedShow Answer

Cellular actions of insulin could be inhibited by

Correct AnswerverifiedShow Answer

Diabetes mellitus occurs due to lack of liver beta-cell function.

Correct AnswerverifiedShow Answer

When two or more hormones work together to produce a particular result,their effects are

Correct AnswerverifiedShow Answer

Melatonin can pass through plasma membranes since it is derived from the nonpolar amino acid tryptophan.

Correct AnswerverifiedShow Answer

Prolonged stress may stimulate

Correct AnswerverifiedShow Answer

Steroid hormone influence on gene expression is known as

Correct AnswerverifiedShow Answer

Which of the following is NOT true of calcitonin?

Correct AnswerverifiedShow Answer

Thyroid hormone receptor proteins are found

Correct AnswerverifiedShow Answer

Pheromones act through the gustatory sense to modify the physiology or behavior of another member of the same species.

Correct AnswerverifiedShow Answer

_____________ inhibits COX3 in the brain which results in pain and fever reduction.

Correct AnswerverifiedShow Answer

What is the function of the hypothalamo-hypophyseal tract?

Correct AnswerverifiedShow Answer

___________________ can form a goiter due to the presence of autoantibodies that exert TSH-like effects on the thyroid.

Correct AnswerverifiedShow Answer

Insulin and glucagon are antagonistic hormones.

Correct AnswerverifiedShow Answer

To induce full cellular effects,thyroid hormones also require the actions of

Correct AnswerverifiedShow Answer

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