Deck 9: Toxicology

Question 1

Which of the following is a technique that can be used to quantify blood alcohol?

A) gas chromatography
B) fluorescence spectroscopy
C) microscopy
D) color tests

Answer 1

A

Question 2

Who evaluates body fluids for drugs and other compounds using chemical tests?

A) entomologist
B) toxicologist
C) pathologist
D) histologist

Answer 2

B

Question 3

Breath tests determine the amount of alcohol in _____.

A) alveolar air
B) the blood
C) the heart
D) the lungs

Answer 3

A

Question 4

In which test is alcohol burned with oxygen in the air to determine the quantity of alcohol?

A) Fuel cell test
B) Infrared breath test
C) Sobriety test
D) Breathalyzer

Question 5

____ is metabolized upon entering the body into morphine.

A) cocaine
B) LSD
C) heroin
D) MDMA

Question 6

Which of the following body fluids or materials should be assayed to test for chronic rather than acute drug exposure?

A) blood
B) urine
C) hair
D) gastric contents
E) vitreous humor

Question 7

Which of the following methods can be used to detect carbon monoxide (CO) poisoning in the blood?

A) thin-layer chromatography
B) infrared spectrophotometry
C) UV-Vis spectrophotometry
D) microscopy

Question 8

While the legal limit is lower in some other countries, the U.S. Federal blood alcohol legal limit for persons operating a motor vehicle is ____.

A) 0.02 %
B) 0.05 %
C) 0.08 %
D) 0.10 %
E) 0.15 %

Question 9

Which of the following breath testers uses a type of radiation to detect and measure alcohol in breath?

A) Fuel cell test
B) Infrared breath test
C) Sobriety test
D) Breathalyzer

Question 10

What test determines the quantity of alcohol consumed by measuring the absorption of light by potassium dichromate before and after its reaction with alcohol?

A) Fuel cell test
B) Infrared breath test
C) Sobriety test
D) Breathalyzer

Question 11

Which of the following samples can be used for toxicological testing?

A) blood
B) urine
C) body tissue
D) vitreous humor
E) all of the above

Question 12

Which of the following methods would be best for determining the concentration of arsenic in the blood?

A) Emission spectroscopy
B) Reinsch test
C) atomic absorption spectroscopy
D) IR spectroscopy

Question 13

Which of the following methods would be best for separating non-volatile liquid mixtures of drugs in blood?

A) GC
B) HPLC
C) AA
D) IR

Question 14

Explain the process by which alcohol is absorbed.

Question 15

Explain the process by which alcohol is metabolized.

Question 16

List four factors that influence BAC.

Question 17

Explain how GC-MS is used to detect and quantitate BAC.

Question 18

Why does the retention time in the human body vary for different drugs?

Question 19

Why do some drugs need to be derivatized?

Question 20

What is a commonly used derivatizing agent and why is it used?

Question 21

Explain the elimination pathway for heroin.