What should a driver do if they feel drowsy while driving?

Answer: B — Take a break and rest

When a driver feels drowsy while driving, the most effective and safe response is to take a break and rest. Drowsiness significantly impairs reaction time, judgment, and awareness, similar to the effects of alcohol. Taking a break allows the driver to recharge and regain alertness, which is crucial for maintaining safety on the road. Simply turning up the radio, drinking caffeinated beverages, or attempting to accelerate may provide temporary distraction or stimulation, but these methods do not address the underlying issue of fatigue and can lead to dangerous situations. Prioritizing rest ensures the driver can operate the vehicle safely and effectively.