Which type of tolerance shows maximal effects in the environment in which the drug is usually taken?

Which type of tolerance shows maximal effects in the environment in which the drug is usually taken?

• A. Contingent drug tolerance
• B. Pharmacokinetic tolerance
• C. Conditioned drug tolerance
• D. Behavioral tolerance

Answer: (C)

The concept being tested is that tolerance can be learned and become strongest in the environment where the drug is usually taken, due to cues in that setting triggering compensatory responses. This is conditioned drug tolerance: environmental cues paired with drug use elicit learned physiological adjustments that counteract the drug's effects, so the drug appears most tolerable in the familiar environment. In a new setting, those cues aren’t present, so the compensatory responses aren’t as strongly activated and the drug’s effects can be more pronounced, increasing overdose risk. Other types of tolerance involve general changes in how the body handles the drug (pharmacokinetic), improvements in performing tasks while intoxicated (behavioral), or tolerance that only appears under certain contingencies, but they don’t specifically capture the environment-specific learning that defines conditioned drug tolerance.

The concept being tested is that tolerance can be learned and become strongest in the environment where the drug is usually taken, due to cues in that setting triggering compensatory responses. This is conditioned drug tolerance: environmental cues paired with drug use elicit learned physiological adjustments that counteract the drug's effects, so the drug appears most tolerable in the familiar environment. In a new setting, those cues aren’t present, so the compensatory responses aren’t as strongly activated and the drug’s effects can be more pronounced, increasing overdose risk. Other types of tolerance involve general changes in how the body handles the drug (pharmacokinetic), improvements in performing tasks while intoxicated (behavioral), or tolerance that only appears under certain contingencies, but they don’t specifically capture the environment-specific learning that defines conditioned drug tolerance.