Final answer:
Option B. The correct understanding of bicycle safety includes ensuring the bike has essential safety features like working brakes and lights, and that children always wear a safety helmet to prevent injuries.
Step-by-step explanation:
The correct parental statement that indicates accurate understanding of bicycle safety for the school-age client is: "Make sure the bike has working brakes and lights." This statement ensures that the bicycle is equipped with essential safety features for a child to ride safely. It is critical for everyone, especially children, to wear a safety helmet when riding a bike to prevent head and nervous system injuries that can result in lifelong disability.
In addition, safety measures such as wearing appropriate protective gear like goggles or sunglasses for the eyes, and hearing protectors like ear plugs, are also important to consider depending on the environment and activity. Supervision is generally recommended for school-age children, especially in areas with traffic, to ensure they are not taking unnecessary risks that could result in serious injuries.