Chemical Dependency Counselor CCDC Exam Pharmacology & Drug Classifications 2

Question 1

Buprenorphine is best described as which type of pharmacological agent?

Accepted Answer

Partial opioid agonist with antagonist properties

Answer

Full opioid agonist

Answer

Opioid antagonist only

Answer

Pure GABA modulator

Question 2

Severe alcohol withdrawal is primarily life-threatening due to the risk of:

Accepted Answer

Seizures and delirium tremens (DTs)

Answer

Respiratory depression

Answer

Cardiac arrhythmia from QT prolongation

Answer

Acute kidney failure

Question 3

The concept of 'cross-tolerance' in pharmacology refers to:

Accepted Answer

Tolerance to one drug reducing the effectiveness of a pharmacologically similar drug

Answer

Two drugs producing opposite effects when combined

Answer

A drug becoming more potent with repeated use

Answer

The body eliminating two drugs at identical rates

Question 4

Methadone is effective in opioid maintenance therapy primarily because:

Accepted Answer

Its long half-life prevents withdrawal and reduces cravings with once-daily dosing

Answer

It has no abuse potential whatsoever

Answer

It completely blocks all opioid receptors

Answer

It reverses opioid overdose within minutes

Question 5

Which of the following withdrawal syndromes typically requires medical detoxification due to potential fatality?

Accepted Answer

Alcohol withdrawal

Answer

Cannabis withdrawal

Answer

Stimulant (cocaine) withdrawal

Answer

Opioid withdrawal in a healthy adult

Question 6

Acamprosate (Campral) helps maintain abstinence in alcohol use disorder by:

Accepted Answer

Modulating glutamate and GABA systems to reduce post-acute withdrawal cravings

Answer

Causing aversive reactions when alcohol is consumed

Answer

Blocking opioid receptors to reduce drinking pleasure

Answer

Replacing alcohol's sedative effects with a safer compound

Question 7

The 'ceiling effect' of buprenorphine means that:

Accepted Answer

Beyond a certain dose, increasing the dose does not proportionally increase opioid effects

Answer

There is no upper limit to its sedative properties

Answer

It reaches peak blood levels within one hour of dosing

Answer

It cannot be safely combined with any other medications