SFST Alcohol Influence and Physiological Effects 2

Question 1

According to NHTSA research, measurable impairment of driving-related skills can begin at a BAC as low as:

Accepted Answer

0.02%

Answer

NHTSA research indicates that some driving-related skills, particularly divided attention tasks, begin to be measurably impaired at BAC levels as low as 0.02%.

Question 2

Which cognitive skill is typically the first to be negatively affected by alcohol consumption?

Accepted Answer

Divided attention

Answer

Divided attention — the ability to perform two or more tasks simultaneously — is among the first cognitive skills impaired by alcohol, making it a key focus of SFSTs.

Question 3

In SFST training, 'divided attention' is best defined as:

Accepted Answer

The ability to perform two or more mental or physical tasks simultaneously

Answer

Divided attention refers to the cognitive ability to simultaneously perform multiple tasks, such as steering while monitoring speed — a skill that alcohol significantly degrades.

Question 4

Alcohol absorption into the bloodstream is most rapid when alcohol is consumed:

Accepted Answer

On an empty stomach

Answer

Without food to slow gastric emptying, alcohol passes quickly into the small intestine where the majority of rapid absorption occurs, causing BAC to rise faster.

Question 5

The primary route of alcohol elimination from the body is through:

Accepted Answer

Metabolism by the liver

Answer

Approximately 90–95% of consumed alcohol is eliminated through hepatic metabolism (liver), while small amounts are excreted via breath, urine, and sweat.

(SFST) Standardized Field Sobriety Testing Certified Practice Test

(SFST) Standardized Field Sobriety Testing Certified Practice Test

SFST Alcohol Influence and Physiological Effects 2