Answer to Question 1
Correct Answer: 1
Rationale 1: Tolerance is a biological condition that occurs when the body adapts to a substance after it is repeatedly administered, and a higher dose is needed to achieve the initial response.
Rationale 2: Dependence is incorrect because dependence occurs when a person has an overwhelming desire to take a drug and cannot stop.
Rationale 3: Addiction is incorrect because addiction is the progressive and chronic abuse of a substance caused by an overwhelming feeling that drives someone to use a drug repeatedly despite serious consequences.
Rationale 4: Cross-tolerance is incorrect because once tolerance develops to one substance, it often also occurs with use of closely related drugs.
Global Rationale: Tolerance is a biological condition that occurs when the body adapts to a substance after it is repeatedly administered, and a higher dose is needed to achieve the initial response. Dependence is incorrect because dependence occurs when a person has an overwhelming desire to take a drug and cannot stop. Addiction is incorrect because addiction is the progressive and chronic abuse of substance caused by an overwhelming feeling that drives someone to use a drug repeatedly despite serious consequences. Cross-tolerance is incorrect because once tolerance develops to one substance, it often also occurs with use of closely related drugs.
Answer to Question 2
Correct Answer: 2
Rationale 1: LSD and marijuana are abused drugs but they are both illegal. Alcohol and nicotine are the two most commonly abused drugs.
Rationale 2: Alcohol and nicotine are the two most commonly abused drugs.
Rationale 3: Nicotine is one of the most commonly abused drugs; marijuana, however, is an illegal drug and is not as commonly abused as alcohol.
Rationale 4: Alcohol is one of the most commonly abused drugs; marijuana, however, is an illegal drug and is not as commonly abused as nicotine.
Global Rationale: Alcohol and nicotine are the two most commonly abused drugs. While LSD and marijuana are abused, they are both illegal and not as commonly abused as alcohol and nicotine.