Question

George has taken a barbiturate for weeks. Unfortunately, he has developed a tolerance to this drug, and also developed a tolerance to another barbiturate that he has never taken. What is this type of reaction called?

Answer 1

Answer: Cross tolerance

Step-by-step explanation:

Cross tolerance is a situation where an individual has a tolerance for a drug and it affects his tolerance for another drug. George's tolerance for barbiturate has affected his tolerance for another barbiturate.