Questions are regarding the book psychopharmacology by Jerrold Meyer and Linda Q

Question

Questions are regarding the book psychopharmacology by Jerrold Meyer and Linda Quenzer

33. An increase in the number of NMDA receptors after repeated exposure to alcohol is a form of what type of tolerance?

a. Metabolic tolerance

b. Pharmacodynamic tolerance

c. Cross-tolerance

d. Behavioral tolerance

e. None of the above

34. Which of the following mechanisms explains the process of alcohol absorption:

a. Passive diffusion

b. Active transport

c. Electrostatic pressure

d. All of the above

e. None of the above

35. The #1 self-reported effect of using cocaine is:

a. Improved mood

b. Reduced appetite

c. Euphoria

d. Desire to take more cocaine

e. Heightened arousal

36. Alcohol is metabolized in the liver by two systems of enzymes, _______ and _______.

a. alcohol dehydrogenase; cytochrome P450

b. alcohol dehydrogenase; acetaldehyde

c. aldehyde dehydrogenase; cytochrome P450

d. alcohol dehydrogenase; aldehyde dehydrogenase

Explanation / Answer

Ans 33 d) Behavioral tolerance

Tolerance refers to the diminished response of the body in response to a drug. When the drug such as alcohol , is regularly consumed by the person , NMDA receptors increase , due to which body adaps to its presence and now more amount of drug is required to elicit the same amount of response in the body.

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