Which of the following represents a drug tolerance?

a
Hans has grown to accept the fact that his partner likes to have a beer with dinner, even though he does not approve of the use of alcohol
b
Jose often wakes up with a headache that lasts until he has his morning cup of coffee
c
Pierre enjoys the effects of marijuana and is now using it several times a week
d
Jacob had to increase the dosage of his pain medication when the old dosage no longer effectively controlled the pain from his chronic back condition

1 answer

The correct answer that represents drug tolerance is:

d Jacob had to increase the dosage of his pain medication when the old dosage no longer effectively controlled the pain from his chronic back condition.

Drug tolerance occurs when a person's response to a drug decreases over time, leading them to require a higher dose to achieve the same effect.