Can the helmet be removed from an injured motorcyclist?

Can the helmet be removed from an injured motorcyclist?
A)Yes, as a general rule.
B)Yes, to give them something to drink.
C)No, as a general rule.Correct
As a general rule, the helmet should not be removed from an injured motorcyclist.
In the event that artificial respiration must be performed, the helmet may be removed but using a cervical spine immobilisation technique. If we are unfamiliar with that technique, we should never remove the helmet.