It's either c or d. But I'd go with D.
I believe that the answer is b. False because just because you don't have any symptoms doesn't mean you never will. For example, I never caught the flu in my childhood. But that doesn't mean I never will.
You refer to the first generation of offspring as F1.
It means that he must apply first aid as soon as possible
but he must also be careful so as not to jeopardize the victim’s life. He has to do it fast but must know the
procedure so that he can both save and stabilize the victim’s life.
Tell the person to stay still and do not move at all for any reason until a professional is on the scene.