CASAC Foundations of Alcohol and Substance Use Disorders 4

Question 1

Which neurotransmitter system is most directly implicated in the reinforcing effects of opioids?

Accepted Answer

Mesolimbic dopamine system

Answer

Opioids stimulate mu-opioid receptors in the ventral tegmental area, causing dopamine release in the nucleus accumbens, which mediates reward and reinforcement.

Question 2

A client reports that they need three times their original alcohol dose to feel the same effect. This phenomenon is best described as:

Accepted Answer

Pharmacodynamic tolerance

Answer

Pharmacodynamic tolerance occurs when the CNS adapts to chronic drug exposure, requiring higher doses to achieve the same effect at the receptor level.

Question 3

According to the disease model of addiction, which statement is most accurate?

Accepted Answer

Addiction is a chronic brain disorder with genetic, environmental, and developmental components

Answer

The disease model, supported by ASAM and NIDA, defines addiction as a chronic brain disorder influenced by genetics, environment, and development.

Question 4

Which of the following best describes the concept of 'kindling' in the context of alcohol withdrawal?

Accepted Answer

Progressive worsening of withdrawal symptoms with repeated detoxifications

Answer

Kindling refers to the neurological phenomenon where repeated alcohol withdrawals lead to increasingly severe withdrawal symptoms, including higher seizure risk.

Question 5

A person who uses heroin and then experiences severe withdrawal when trying to quit most clearly demonstrates which criterion from the DSM-5 definition of Substance Use Disorder?

Accepted Answer

Withdrawal

Answer

Withdrawal—the emergence of a characteristic syndrome when a substance is discontinued—is a specific DSM-5 criterion for Substance Use Disorder.

CASAC - Credentialed Alcoholism and Substance Abuse Counselor Practice Test

CASAC - Credentialed Alcoholism and Substance Abuse Counselor Practice Test

CASAC Foundations of Alcohol and Substance Use Disorders 4