Forensic Toxicology Exam

1. Which of the following categories of tests would thin layer chromatography be an example of?

• Screening

• Confirmation

The current percentage of blood alcohol concentration necessary to consider a person intoxicated is

• .10%

• .80%

• .08%

• 8%

Which of the following is NOT a psycho-physical test which a police officer may give to an individual suspected of being under the influence of alcohol?

• Walk and turn test

• Field urine test

• Horizontal-gaze nystagmus

• One-leg stand test

The role of the forensic toxicologist involves matters that pertain to violations of the law.

• True

• False

A breath test, used to measure alcohol, reflects the alcohol concentrated in the pulmonary vein.

• True

• False

After a screening test has been used to determine the identity of an abused drug, the confirmation test of choice is

• Gas chromatography

• Gas chromatography/ mass spectrometry

• Thin layer chromatography

• Immunoassay

Carbon monoxide is one of the most common poisons encountered in a forensic lab.

• True

• False

Hair can serve as a historical marker for determining drug intake.

• True

• False

A chemical that is known as a hydrogen acceptor is a(n)

• Acid

• Base

A chemical with a pH of 2 would be a

• strong acid

• weak acid

• strong base

• weak base