- A Being well-rested and attentive
- ✓ Fatigue, alcohol, and distractions
- C Driving on a familiar road in daylight
- D Keeping a pleasant cabin temperature
Why this is the correct answer
Fatigue, drowsiness, old age, poor hearing or vision, illness, certain medications, alcohol and drugs, overeating, excessive heat, emotional stress, and lack of attention all increase reaction time.
Ready to pass the DGT theory test?
Practise official-format questions in English, with explanations after every answer and full progress tracking.
Try a free practice test