When should a motorcycle rider wear a helmet?

Answer: C — At all times when riding

Wearing a helmet at all times while riding a motorcycle is crucial for the safety of the rider. Helmets are specifically designed to protect the head in the event of an accident, significantly reducing the risk of serious injuries or fatalities. While some states may have laws concerning helmet use, the best practice is to wear one regardless of legal requirements. This ensures maximum protection, especially since accidents can happen unexpectedly at any time, and the level of protection varies greatly based on whether a helmet is worn. Choosing to wear a helmet at all times demonstrates a responsible attitude towards personal safety, regardless of the ride length, whether riding alone or in a group. It underscores the understanding that head injuries can occur in any riding scenario, making helmet use an essential element of safe riding.