Cindy abuses barbiturates and she continually increases her ...

[Frost2351]

Cindy abuses barbiturates and she continually increases her doses. What is the likely outcome of this practice for Cindy's health?
 
  a. She is not at risk of overdose, because her body continually increases its tolerance to match her intake.
  b. She is very likely to overdose, because some barbiturate effects show tolerance while others do not.
 c. She is not at risk of overdose, because barbiturates do not have life-threatening effects, even at high doses.
  d. She is very likely to overdose, because barbiturates do not produce tolerance.

Question 2

Tolerance develops for the use of some drugs because
 
  a. over time, the blood-brain barrier more effectively blocks the movement of the drug from the blood supply into the brain.
  b. more of the drug is absorbed by the body's fat stores, leading to the need to use more to get the same effects.
  c. the body's compensation for the drug cancels out its effects.
 d. the experienced user's expectations cancel out the drug's effects.

[Silverbeard98]

Answer to Question 1

b

Answer to Question 2

c

[Frost2351]

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