Questions are regarding the book psychopharmacology by Jerro

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

Solution

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.