Question 1

A deficiency of dietary iodine would result in excessive TSH secretion.

Accepted Answer

A) True 
 B)False

Question 2

Steroid hormone influence on gene expression is known as

Accepted Answer

A)  genomic action.
B)  nongenomic action.
C)  dimerization.
D)  translocation.E) None of the above
F) B) and C)

Question 3

Which of the following is NOT one of the three functional categories of corticosteroids?

Accepted Answer

A)  mineralocorticoids
B)  glucocorticoids
C)  thyrocorticoids
D)  sex steroidsE) B) and D)
F) C) and D)

Question 4

In the phospholipase C mechanism, most of the increased intracellular calcium comes from

Accepted Answer

A)  outside the cell.
B)  within the plasma membrane.
C)  the endoplasmic reticulum.
D)  extracellular fluid.E) C) and D)
F) All of the above

Question 5

The hypersecretion of corticosteroids results in

Accepted Answer

A)  Addison's disease.
B)  diabetes insipidus.
C)  Grave's disease.
D)  Cushing's disease.E) B) and D)
F) A) and D)

Question 6

Steroid hormone receptors form a ____ on their DNA half-sites.

Accepted Answer

A)  homodimer
B)  autodimer
C)  pseudodimer
D)  heterodimerE) C) and D)
F) B) and C)

Question 7

Molecules secreted by endocrine glands that are inactive until changed by their target cells are

Accepted Answer

A)  prohormones.
B)  lipophilic hormones.
C)  prehormones.
D)  tissue hormones.E) A) and D)
F) B) and C)

Question 8

Those hormones that are nonpolar can pass through the plasma membrane and are called

Accepted Answer

A)  hydrophilic.
B)  hydrophobic.
C)  lipophilic.
D)  Both hydrophobic and lipophilic are correct.E) A) and D)
F) None of the above

Question 9

Lipophilic hormones travel in the blood bonded to carrier proteins.

Accepted Answer

A) True 
 B)False

Question 10

Steroid hormone receptors may be found

Accepted Answer

A)  in the cytoplasm.
B)  in the nucleus.
C)  on the cell surface.
D)  Both in the cytoplasm and in the nucleus.E) A) and C)
F) B) and D)

Question 11

Polypeptide and glycoprotein hormones can be taken orally.

Accepted Answer

A) True 
 B)False

Question 12

A chronically high hormone concentration often leads to an increased receptor number.

Accepted Answer

A) True 
 B)False

Question 13

Biologically active molecules in the blood are called hormones.

Accepted Answer

A) True 
 B)False

Question 14

Thyroid hormones bind to receptors which

Accepted Answer

A)  activate tyrosine kinase.
B)  regulate gene transcription.
C)  stimulate production of cyclic AMP.
D)  stimulate production of diacyl glycerol diaclyglycerol.E) A) and B)
F) None of the above

Question 15

Aspirin reduces inflammation by

Accepted Answer

A)  inhibiting the COX1 isoenzyme.
B)  inhibiting the COX2 isoenzyme.
C)  inhibiting the COX3 isoenzyme.
D)  increasing production on PGI2 and PGE2.E) None of the above
F) A) and B)

Question 16

The anterior pituitary gland is also called the neurohypophysis.

Accepted Answer

A) True 
 B)False

Question 17

Prolactin injections may be used to induce labor.

Accepted Answer

A) True 
 B)False

Question 18

Activated calmodulin will, in turn, activate protein kinases.

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

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

Question 20

Caffeine raises intracellular cAMP concentrations by inhibiting phosphodiesterase.

Accepted Answer

A) True 
 B)False

Exam 11: Endocrine Glands

Activated calmodulin will, in turn, activate protein kinases.

Correct AnswerverifiedShow Answer

Caffeine raises intracellular cAMP concentrations by inhibiting phosphodiesterase.

Correct AnswerverifiedShow Answer

Aspirin reduces inflammation by

Correct AnswerverifiedShow Answer

Molecules secreted by endocrine glands that are inactive until changed by their target cells are

Correct AnswerverifiedShow Answer

Prolactin injections may be used to induce labor.

Correct AnswerverifiedShow Answer

Polypeptide and glycoprotein hormones can be taken orally.

Correct AnswerverifiedShow Answer

In the phospholipase C mechanism, most of the increased intracellular calcium comes from

Correct AnswerverifiedShow Answer

Steroid hormone receptors may be found

Correct AnswerverifiedShow Answer

Steroid hormone receptors form a ____ on their DNA half-sites.

Correct AnswerverifiedShow Answer

The anterior pituitary gland is also called the neurohypophysis.

Correct AnswerverifiedShow Answer

Thyroid hormones bind to receptors which

Correct AnswerverifiedShow Answer

The hypersecretion of corticosteroids results in

Correct AnswerverifiedShow Answer

Biologically active molecules in the blood are called hormones.

Correct AnswerverifiedShow Answer

Which of the following is NOT one of the three functional categories of corticosteroids?

Correct AnswerverifiedShow Answer

A deficiency of dietary iodine would result in excessive TSH secretion.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Lipophilic hormones travel in the blood bonded to carrier proteins.

Correct AnswerverifiedShow Answer

Those hormones that are nonpolar can pass through the plasma membrane and are called

Correct AnswerverifiedShow Answer

Steroid hormone influence on gene expression is known as

Correct AnswerverifiedShow Answer

A chronically high hormone concentration often leads to an increased receptor number.

Correct AnswerverifiedShow Answer

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