DEA DEA Drug Chemistry and Identification

Question 1

Which chemical is the primary active ingredient in heroin that makes it a Schedule I controlled substance?

Accepted Answer

Diacetylmorphine (diamorphine)

Answer

Heroin is diacetylmorphine, a semi-synthetic opioid derived from morphine through acetylation, and is classified Schedule I due to high abuse potential and no accepted medical use in the U.S.

Question 2

What is the Marquis reagent test used to presumptively identify?

Accepted Answer

Opiates and amphetamines based on color reactions

Answer

The Marquis reagent produces distinct color changes (e.g., purple-black for opiates, orange-to-brown for amphetamines) used for field presumptive identification.

Question 3

Fentanyl is approximately how many times more potent than morphine?

Accepted Answer

100 times

Answer

Fentanyl is approximately 100 times more potent than morphine by weight, which makes even microgram-level exposures potentially lethal.

Question 4

What class of drug is methamphetamine?

Accepted Answer

Central nervous system stimulant

Answer

Methamphetamine is a powerful CNS stimulant that increases the release of dopamine, norepinephrine, and serotonin, causing euphoria, increased alertness, and cardiovascular effects.

Question 5

Which plant is the source of cocaine?

Accepted Answer

Erythroxylum coca (coca plant)

Answer

Cocaine is a naturally occurring alkaloid extracted from the leaves of the Erythroxylum coca plant, primarily grown in South America.

Drug Enforcement Administration (DEA) Practice Test

Drug Enforcement Administration (DEA) Practice Test

DEA DEA Drug Chemistry and Identification