Question 1

Which of the following reactions is involved in the deactivation of phosphatidylinositol secondary messengers?

Accepted Answer

A)  dephosphorylation 
B)  phosphorylation 
C)  reduction 
D)  oxidation 
A)  dephosphorylation 
B)  phosphorylation 
C)  reduction 
D)  oxidation

Question 2

Which of the following functions by affecting the permeability of membranes?

Accepted Answer

A)  acetylcholine 
B)  epinephrine 
C)  estradiol 
D)  none of these 
A)  acetylcholine 
B)  epinephrine 
C)  estradiol 
D)  none of these

Question 3

Which of the following hormones is not produced in the pancreas?

Accepted Answer

A)  insulin 
B)  glucagon 
C)  renin 
D)  None, they are all produced in the pancreas. 
A)  insulin 
B)  glucagon 
C)  renin 
D)  None, they are all produced in the pancreas.

Question 4

Neuropeptide Y does which of the following?

Accepted Answer

A)  stimulate appetite 
B)  suppress appetite 
C)  suppress pain 
D)  transmit pain signals 
A)  stimulate appetite 
B)  suppress appetite 
C)  suppress pain 
D)  transmit pain signals

Question 5

Where are receptors found?

Accepted Answer

A)  inside the cell nucleus 
B)  in the cytoplasm 
C)  inside the mitochondria 
D)  on the cell surface 
A)  inside the cell nucleus 
B)  in the cytoplasm 
C)  inside the mitochondria 
D)  on the cell surface

Question 6

Which of the following blocks the receptor sites for acetylcholine?

Accepted Answer

A)  curare 
B)  nicotine 
C)  opiate 
D)  none of these 
A)  curare 
B)  nicotine 
C)  opiate 
D)  none of these

Question 7

Which of the following types of drugs currently under study for the treatment of Alzeheimer's disease does not involve amyloid-beta?

Accepted Answer

A)  enzyme inhibitors 
B)  vaccines 
C)  antibodies 
D)  neuroprotective agents. 
E)  all involve amyloid-beta 
A)  enzyme inhibitors 
B)  vaccines 
C)  antibodies 
D)  neuroprotective agents. 
E)  all involve amyloid-beta

Question 8

Which of the following is produced by the reaction of phosphodiesterase with cAMP?

Accepted Answer

A)  adenosine 
B)  ADP 
C)  AMP 
D)  ATP 
A)  adenosine 
B)  ADP 
C)  AMP 
D)  ATP

Question 9

Which of the following functions by affecting the permeability of membranes?

Accepted Answer

A)  acetylcholine 
B)  glucagon 
C)  insulin 
D)  all of these 
A)  acetylcholine 
B)  glucagon 
C)  insulin 
D)  all of these

Exam 24: Chemical Communications: Neurotransmitters and Hormones

Which of the following reactions is involved in the deactivation of phosphatidylinositol secondary messengers?

Which of the following functions by affecting the permeability of membranes?

Which of the following hormones is not produced in the pancreas?

Neuropeptide Y does which of the following?

Where are receptors found?

Which of the following blocks the receptor sites for acetylcholine?

Which of the following types of drugs currently under study for the treatment of Alzeheimer's disease does not involve amyloid-beta?

Which of the following is produced by the reaction of phosphodiesterase with cAMP?

Which of the following functions by affecting the permeability of membranes?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

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Alkenes and Alkynes

Benzene and Its Derivatives

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

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