Forensic Toxicology-Full Review

Which substance is most toxic and has the lowest LD50?

• Caffeine

• Table sugar

• Nicotine

• Botulin toxin

The Duquenois-Levine test is a presumptive test for ________ and a positive result turns ________.

• cocaine; blue

• LSD; blue-pruple

• marijuana; purple

• barbituates; violet-blue

• herion (and other opiates); purple

The Dillie-Koppanyi test is a presumptive test for ________ and a positive result turns ________.

• cocaine; blue

• LSD; blue-pruple

• marijuana; purple

• barbituates; violet-blue

• herion (and other opiates); purple

The Scott test is a presumptive test for ________ and a positive result turns ________.

• cocaine; blue

• LSD; blue-pruple

• marijuana; purple

• barbituates; violet-blue

• herion (and other opiates); purple

Why are Toxins hard to find in the body?

• They are in and out very quickly.

• They don't show up with conventional tests.

• The body metabolizes them into another substance.

• Organic molecules are harder to find than inorganic molecules.

Which of these can tell us if a person is under the influence of a drug right now.

• Blood
• Urine
• Hair
• Stomach contents

Which is the most restricted class of drugs?

• Schedule I

• Schedule II

• Schedule III

• Schedule IV

• Schedule V

What is a substance that lessens or eliminates pain?

• a steroid

• a hallucinogen

• an analgesic

• a depressant

The Controlled Substance Act established five schedules of classification for substances based on a drug's: 

• potential for psychological dependence. 
• potential for abuse. 
• potential for physical dependence. 
• all of the above

Drugs, such as barbiturates and benzodiazepines, that relieve anxiety and produce sleep are called ________.

• stimulants

• narcotics

• depressants

• None of these choices.