CDCA Pharmacology of Substances & Drug Effects 2

Question 1

Which of the following substances has the highest potential for a fatal overdose from respiratory depression during acute intoxication?

Accepted Answer

Fentanyl

Answer

Fentanyl is a synthetic opioid 50-100 times more potent than morphine, making it highly associated with fatal respiratory depression even in small doses.

Question 2

The phenomenon where a person needs increasingly larger amounts of a substance to achieve the same effect is known as:

Accepted Answer

Tolerance

Answer

Tolerance is the pharmacological adaptation requiring higher doses of a substance over time to achieve the same desired effect.

Question 3

Which withdrawal syndrome is considered medically most dangerous and potentially life-threatening?

Accepted Answer

Alcohol withdrawal

Answer

Alcohol withdrawal is the most medically dangerous, with risk of seizures, delirium tremens, hyperthermia, and death if not medically managed.

Question 4

A client describes seeing vivid colors and geometric patterns and states that 'everything is breathing' several hours after taking a pill at a party. Which substance is most likely responsible?

Accepted Answer

MDMA (Ecstasy) or LSD

Answer

Visual hallucinations including geometric patterns, altered color perception, and distorted movement of objects are classic features of hallucinogen (LSD/MDMA) intoxication.

Question 5

Buprenorphine works effectively in opioid use disorder treatment because it is a:

Accepted Answer

Partial opioid agonist with a ceiling effect on respiratory depression

Answer

Buprenorphine is a partial opioid agonist, providing enough receptor activity to reduce cravings and withdrawal while having a ceiling effect that limits respiratory depression risk.

(CDCA) Certified Chemical Dependency Counselor Assistant Practice Test

(CDCA) Certified Chemical Dependency Counselor Assistant Practice Test

CDCA Pharmacology of Substances & Drug Effects 2