Practice question

When using mirrors while driving, you should:

  1. Look in the mirrors quickly.
  2. Look in the mirrors for extended periods of time.
  3. Use only the rearview mirror.
  4. Use only the driver’s side mirror.

Answer: A — Look in the mirrors quickly.

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Massachusetts CDL Class B Knowledge Test 2 →