TAM Blood Alcohol Content (BAC) & Alcohol Absorption

Question 1

What is the legal BAC limit for operating a motor vehicle in Maryland for drivers age 21 and older?

Accepted Answer

0.08%

Answer

Maryland, like all U.S. states, sets the per se DUI BAC limit at 0.08% for non-commercial drivers age 21 and over.

Question 2

Approximately how long does it take for a healthy adult liver to metabolize one standard drink?

Accepted Answer

About one hour

Answer

The liver metabolizes alcohol at a fixed rate of roughly one standard drink per hour, regardless of coffee, food, or other remedies.

Question 3

Which organ is primarily responsible for metabolizing alcohol in the body?

Accepted Answer

Liver

Answer

The liver breaks down approximately 90–95% of consumed alcohol using the enzyme alcohol dehydrogenase.

Question 4

Which of the following counts as ONE standard drink under U.S. guidelines?

Accepted Answer

5 oz of wine (12% ABV)

Answer

A standard drink contains 0.6 oz of pure alcohol, which equals 5 oz of wine at 12% ABV.

Question 5

Which of the following factors does NOT significantly affect the rate of alcohol absorption into the bloodstream?

Accepted Answer

The drinker's eye color

Answer

Eye color has no physiological effect on how quickly alcohol is absorbed; body weight, food, and carbonation all do.

(TAM) Maryland Techniques of Alcohol Management Certification Practice Test