

Which of the following drugs is most commonly recovered from drug searches/seizures?
Below you will see a before and after image of a presumptive drug test performed on a student's urine sample for the drug Bertinol:
Before:
After:
Explain the importance of the positive and negative control in this drug test.
Describe the next steps that should be taken with the student's sample.
If a positive presumptive test was achieved, the forensic scientist would then determine which confirmatory procedures are appropriate to confirm the identity of the unknown substance. Gas chromatography in combination with mass spectrometry is an example of such testing procedures used together to positively identify an unknown substance. Two chromatographs are shown below. Chromatograph A was created when one of the unknown substances was analyzed with gas chromatography-mass spectrometry (GC-MS). Chromatograph B was created when Bertinol was analyzed with GC-MS. Compare the two chromatographs.
Can the unknown substance be positively identified as Bertinol? Explain (1-2 sentences).
Categorize the following drugs as hallucinogens, stimulants, analgesics, or depressants based on the reading!
barbiturates
MDMA (ecstasy)
caffeine
cocaine
oxycodon (Percocet)
cannabis
alcohol
Tylenol (acetaminophen)
hallucinogens
stimulants
analgesics
depressants
The following question pertains to anabolic steroids:
how are they abused?
what are some common side effects?

How is marijuana typically absorbed into the body? Select 2.

Marijuana is classified as a(n)

Under the Controlled Substances Act, marijuana is a Schedule ___ drug.

Match the term with its definition!
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
withdrawal | arrow_right_alt | a physiological need for a substance |
dependency | arrow_right_alt | physical and mental symptoms that arise when abstaining from a drug |
addiction | arrow_right_alt | intense craving for a drug without physical withdrawal symptoms |

Method of absorption? Select all that apply.