Chemical Dependency Counselor CCDC Exam Pharmacology & Drug Classifications 3

Question 1

Which neurotransmitter is most directly involved in the reward pathway that reinforces most substances of abuse?

Accepted Answer

Dopamine

Answer

Serotonin

Answer

GABA

Answer

Acetylcholine

Question 2

What is the primary danger of combining opioids with benzodiazepines?

Accepted Answer

Synergistic CNS depression leading to fatal respiratory failure

Answer

Increased seizure risk from receptor competition

Answer

Accelerated development of drug tolerance

Answer

Severe hypertension from combined receptor activation

Question 3

Stimulant withdrawal (from cocaine or amphetamines) is primarily characterized by:

Accepted Answer

Depression, fatigue, hypersomnia, and dysphoria

Answer

Seizures and vivid hallucinations

Answer

Severe physical pain and muscle cramping

Answer

Nausea, vomiting, and profuse sweating

Question 4

Which of the following is NOT classified as a DEA Schedule II controlled substance?

Accepted Answer

Alprazolam (Xanax)

Answer

Morphine

Answer

Cocaine (medical use)

Answer

Methamphetamine

Question 5

Naloxone (Narcan) reverses opioid overdose because it:

Accepted Answer

Rapidly displaces opioids from receptors as a competitive antagonist

Answer

Slows opioid metabolism in the liver to reduce blood levels

Answer

Stimulates the brainstem respiratory centers directly

Answer

Increases urinary excretion of opioid compounds

Question 6

The term 'physiological dependence' in substance use refers to:

Accepted Answer

The body's adaptation requiring the substance for normal functioning, evidenced by tolerance and withdrawal

Answer

Psychological craving and preoccupation with a substance

Answer

The social and occupational consequences of substance use

Answer

Genetic predisposition that increases addiction vulnerability

Question 7

In pharmacology, 'tolerance' to a substance specifically means:

Accepted Answer

Needing progressively higher doses to achieve the same effect previously obtained at lower doses

Answer

The ability to function normally despite intoxication

Answer

Using a substance in physically dangerous situations

Answer

Continuing use despite persistent negative consequences