Question 1

Which of the following compounds is not an amino acid derivative hormone?

Accepted Answer

A)  dopamine
B)  epinephrine
C)  thyroxine
D)  norepinephrine
E)  All of these are amino acid derivatives.F) A) and B)
G) A) and C)

Question 2

Chemical messengers that are produced by the endocrine system and circulate in the bloodstream are

Accepted Answer

A)  enzymes.
B)  antibodies.
C)  hormones.
D)  neurotransmitters.
E)  neuropeptides.F) B) and C)
G) A) and E)

Question 3

Depression is known to be caused by a deficiency of

Accepted Answer

A)  serotonin.
B)  dopamine.
C)  norepinephrine.
D)  all of the aboveE) All of the above
F) B) and C) D

Question 4

The molecule or molecules that interacts with a hormone or other biologically active molecule to initiate a cellular response is called

Accepted Answer

A)  a receptor.
B)  a transmitter.
C)  an active site.
D)  a target cell.E) A) and D)
F) A) and B) A

Question 5

A hormone that is involved in mediating inflammation and in metabolism of simple carbohydrates is classified as a(an)

Accepted Answer

A)  mineralocorticoid.
B)  glucocorticoid.
C)  sex hormone.
D)  receptor molecule.
E)  inhibitor.F) All of the above
G) A) and B) B

Question 6

Which hormone is an example of a steroid?

Accepted Answer

A)  epinephrine
B)  thyroxine
C)  growth hormone (GH) 
D)  antidiuretic hormone (ADH) 
E)  cortisoneF) B) and C)
G) A) and E)

Question 7

The function of a receptor is to

Accepted Answer

A)  receive messages and store the information for later use.
B)  interact with a first messenger and hold the information until it can be passed on to a second messenger.
C)  cause a chemical change in the messenger to indicate that it has received information.
D)  receive messages and cause chemical changes within the target cell.
E)  release chemicals which interact with other receptors.F) C) and D)
G) A) and E)

Question 8

Glucocorticoids are a specific type of steroid whose function is to

Accepted Answer

A)  maintain pregnancy.
B)  promote development of secondary male sex characteristics.
C)  promote development of secondary female sex characteristics.
D)  regulate the sodium/potassium balance in cellular fluids.
E)  regulate glucose metabolism.F) B) and C)
G) D) and E)

Question 9

Birth control pills work by mimicking what type of hormones?

Accepted Answer

A)  estrogen
B)  progesterone
C)  testosterone
D)  both A and BE) A) and B)
F) A) and C)

Question 10

The major chemical structures of hormones include

Accepted Answer

A)  polysaccharides,esters,and steroids.
B)  steroids,polypeptides,and amino acid derivatives.
C)  steroids,amino acid derivatives,and esters.
D)  only molecules containing amine groups.
E)  only steroids.F) A) and C)
G) D) and E)

Question 11

Mineralocorticoids are a specific type of steroid whose function is to

Accepted Answer

A)  maintain pregnancy.
B)  promote development of secondary male sex characteristics.
C)  promote development of secondary female sex characteristics.
D)  regulate the sodium/potassium balance in cellular fluids.
E)  regulate glucose metabolism.F) A) and E)
G) All of the above

Question 12

Which statement regarding polypeptide hormones is incorrect?

Accepted Answer

A)  This class of hormones includes all the regulatory hormones produced by the pituitary gland.
B)  Vasopressin is an example.
C)  Insulin is an example.
D)  Sex hormones are included in this category.
E)  Many of the names include the terms "releasing hormone" or "stimulating hormone."F) None of the above
G) All of the above

Question 13

Arrange the steps of the chemical response of a cell to epinephrine in the correct order.
1.production of GTP from GDP
2.conversion of cyclic AMP to ATP
3.activation of a G protein in the cell membrane
4.release of glucose into the bloodstream
5.activation of adenylate cyclase
6.conversion of ATP to cyclic AMP

Accepted Answer

A)  3,1,5,2,4,6
B)  5,6,3,1,2,4
C)  4,1,3,2,5,6
D)  3,1,5,6,4,2
E)  5,1,3,6,4,2F) C) and D)
G) A) and D)

Question 14

The organ that controls the endocrine system is the

Accepted Answer

A)  hypothalamus.
B)  ovaries.
C)  testes.
D)  thyroid gland.
E)  adrenal gland.F) A) and E)
G) C) and D)

Question 15

Match the following.
-target

Accepted Answer

A)  an example of a polypeptide hormone
B)  a site on a cell that interacts with some external chemical messenger in order to enable a response to occur
C)  an example of an amino acid hormone
D)  a chemical messenger that is produced in the nervous system
E)  a chemical messenger that is produced in the endocrine system and indirectly regulates biochemical processesF) a substance introduced from outside the body that alters some body functionG) a molecule within a cell that is released in response to the interaction of a hormone or neurotransmitter with a receptor outside the cellH) the intended site of a specific chemical reactionI) an example of a steroid hormoneJ) C) and G)
K) B) and F)

Question 16

A neurotransmitter that controls the perception of pain in the brain is

Accepted Answer

A)  GABA.
B)  enkephalin.
C)  taurine.
D)  histamine.
E)  dopamine.F) A) and B)
G) A) and E)

Question 17

The three monoamine neurotransmitters most studied in relation to moods and emotions are

Accepted Answer

A)  histamine,acetylcholine,and acetylcholinesterase.
B)  amitriptyline,phenelzine,and fluoxetine.
C)  serotonin,norepinephrine,and dopamine.
D)  tryptophan,serotonin,and melatonin.
E)  cortisone,testosterone,and androsterone.F) A) and C)
G) B) and D)

Question 18

Chemical messengers that carry signals between neurons are

Accepted Answer

A)  enzymes.
B)  antibodies.
C)  hormones.
D)  neurotransmitters.
E)  neuropeptides.F) A) and D)
G) None of the above

Question 19

Which of the following is not part of a nerve cell?

Accepted Answer

A)  synaptic cleft
B)  axon
C)  vesicles
D)  presynaptic neuron
E)  dendritesF) A) and B)
G) D) and E)

Question 20

The neurotransmitter that is associated with the perception of pleasure and pain in the brain is

Accepted Answer

A)  acetylcholine.
B)  testosterone.
C)  epinephrine.
D)  histamine.
E)  dopamine.F) B) and C)
G) C) and E)

Exam 28: Chemical Messengers: Hormones, neurotransmitters, and Drugs

Which of the following compounds is not an amino acid derivative hormone?

Correct Answer
verified

Chemical messengers that are produced by the endocrine system and circulate in the bloodstream are

Correct Answer
verified

Depression is known to be caused by a deficiency of

Correct Answer
verified
D

The molecule or molecules that interacts with a hormone or other biologically active molecule to initiate a cellular response is called

Correct Answer
verified
A

A hormone that is involved in mediating inflammation and in metabolism of simple carbohydrates is classified as a(an)

Correct Answer
verified
B

Which hormone is an example of a steroid?

Correct Answer
verified

The function of a receptor is to

Correct Answer
verified

Glucocorticoids are a specific type of steroid whose function is to

Correct Answer
verified

Birth control pills work by mimicking what type of hormones?

Correct Answer
verified

The major chemical structures of hormones include

Correct Answer
verified

Mineralocorticoids are a specific type of steroid whose function is to

Correct Answer
verified

Which statement regarding polypeptide hormones is incorrect?

Correct Answer
verified

Correct Answer
verified

The organ that controls the endocrine system is the

Correct Answer
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Match the following. -target

Correct Answer
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A neurotransmitter that controls the perception of pain in the brain is

Correct Answer
verified

The three monoamine neurotransmitters most studied in relation to moods and emotions are

Correct Answer
verified

Chemical messengers that carry signals between neurons are

Correct Answer
verified

Which of the following is not part of a nerve cell?

Correct Answer
verified

The neurotransmitter that is associated with the perception of pleasure and pain in the brain is

Correct Answer
verified

Exam 28: Chemical Messengers: Hormones, neurotransmitters, and Drugs

Which of the following compounds is not an amino acid derivative hormone?

Correct AnswerverifiedShow Answer

Chemical messengers that are produced by the endocrine system and circulate in the bloodstream are

Correct AnswerverifiedShow Answer

Depression is known to be caused by a deficiency of

Correct AnswerverifiedD

The molecule or molecules that interacts with a hormone or other biologically active molecule to initiate a cellular response is called

Correct AnswerverifiedA

A hormone that is involved in mediating inflammation and in metabolism of simple carbohydrates is classified as a(an)

Correct AnswerverifiedB

Which hormone is an example of a steroid?

Correct AnswerverifiedShow Answer

The function of a receptor is to

Correct AnswerverifiedShow Answer

Glucocorticoids are a specific type of steroid whose function is to

Correct AnswerverifiedShow Answer

Birth control pills work by mimicking what type of hormones?

Correct AnswerverifiedShow Answer

The major chemical structures of hormones include

Correct AnswerverifiedShow Answer

Mineralocorticoids are a specific type of steroid whose function is to

Correct AnswerverifiedShow Answer

Which statement regarding polypeptide hormones is incorrect?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The organ that controls the endocrine system is the

Correct AnswerverifiedShow Answer

Match the following. -target

Correct AnswerverifiedShow Answer

A neurotransmitter that controls the perception of pain in the brain is

Correct AnswerverifiedShow Answer

The three monoamine neurotransmitters most studied in relation to moods and emotions are

Correct AnswerverifiedShow Answer

Chemical messengers that carry signals between neurons are

Correct AnswerverifiedShow Answer

Which of the following is not part of a nerve cell?

Correct AnswerverifiedShow Answer

The neurotransmitter that is associated with the perception of pleasure and pain in the brain is

Correct AnswerverifiedShow Answer

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D

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A

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B

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