Which of the Following Is NOT an Example of Cross-Tolerance

question 171

Multiple Choice

Which of the following is NOT an example of cross-tolerance?

• A) A barbiturate abuser has to drink more than usual before getting drunk.
• B) An alcoholic needs a greater amount of anaesthetic when undergoing surgery.
• C) A liquid heroin abuser needs increasingly higher doses when snorting heroin.
• D) All of the above are examples of cross-tolerance.

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