Law Enforcement Traffic Control and DUI 2

Question 1

What is the per se blood alcohol concentration (BAC) limit for non-commercial drivers age 21 and over in all U.S. states?

Accepted Answer

0.08%

Answer

0.05%

Answer

0.10%

Answer

0.12%

Question 2

Which test is most commonly used as a Standardized Field Sobriety Test (SFST) and measures involuntary eye jerking?

Accepted Answer

Horizontal Gaze Nystagmus

Answer

Walk-and-Turn

Answer

One-Leg Stand

Answer

Finger-to-Nose

Question 3

Under implied consent laws, what is the typical consequence of refusing a chemical test after a lawful DUI arrest?

Accepted Answer

Administrative license suspension

Answer

Immediate dismissal of charges

Answer

A verbal warning only

Answer

Mandatory community service

Question 4

When directing traffic at an intersection, what does an officer's raised palm facing a driver mean?

Accepted Answer

Stop

Answer

Speed up

Answer

Turn right

Answer

Proceed straight

Question 5

What is the lower 'zero tolerance' BAC limit commonly applied to drivers under age 21?

Accepted Answer

0.00% to 0.02%

Answer

0.08%

Answer

0.05%

Answer

0.02%

Question 6

During a DUI stop, which observation would NOT typically establish reasonable suspicion before the stop?

Accepted Answer

Driving with a passenger asleep

Answer

Weaving across lane lines

Answer

Driving at night with no headlights

Answer

Nearly striking a curb repeatedly

Question 7

What is the legal BAC limit for commercial drivers operating a commercial vehicle in the U.S.?

Accepted Answer

0.04%

Answer

0.08%

Answer

0.02%

Answer

0.10%