Occupant safety and vulnerable users
Helmet questions are head-injury questions
Riders and passengers on two-wheeled vehicles must wear an approved helmet to protect against head injury.
What to watch for
The question mentions helmets, motorcycles, mopeds, or cyclists.
The rule
The rule explains exactly how to answer any question of this type — and why the obvious wrong answer fails.
See the rule →Common trap
Don't treat a helmet as optional or a matter of personal preference.