DEA Drug Pharmacology & Identification 3

Question 1

Which synthetic opioid is approximately 100 times more potent than morphine and has been responsible for a large number of overdose deaths in the current opioid crisis?

Accepted Answer

Fentanyl

Answer

Fentanyl is approximately 100 times more potent than morphine by weight, meaning a lethal dose can be measured in micrograms, making accidental overdose extremely easy.

Question 2

MDMA (3,4-methylenedioxymethamphetamine) is classified primarily as a:

Accepted Answer

Entactogen/empathogen with both stimulant and mild hallucinogenic properties

Answer

MDMA is classified as an entactogen because it primarily produces feelings of emotional closeness while also having stimulant effects and mild perceptual alterations.

Question 3

Which of the following cannabinoids is primarily responsible for the psychoactive 'high' produced by marijuana?

Accepted Answer

Delta-9-tetrahydrocannabinol (THC)

Answer

Delta-9-THC is the primary psychoactive compound in cannabis, binding to CB1 receptors in the brain to produce intoxication, altered perception, and euphoria.

Question 4

Phencyclidine (PCP) produces its dissociative effects primarily through:

Accepted Answer

Antagonism at NMDA glutamate receptors

Answer

PCP blocks NMDA receptors in the brain, disrupting glutamate neurotransmission and producing dissociative anesthesia, hallucinations, and extreme behavioral changes.

Question 5

A person under the influence of cocaine may exhibit all of the following EXCEPT:

Accepted Answer

Decreased body temperature (hypothermia)

Answer

Cocaine is a stimulant that causes hyperthermia (elevated body temperature) due to increased metabolic activity and vasoconstriction, not hypothermia.

(DEA) Certified Drug Enforcement Administration Specialist Practice Test

(DEA) Certified Drug Enforcement Administration Specialist Practice Test

DEA Drug Pharmacology & Identification 3