You call for help and lay them on their left side and make sure their breathing
Remove any clothing or debris on the wound. ...
Stop the bleeding. ...
Help the injured person lie down. ...
Don't remove the gauze or bandage. ...
Tourniquets: A tourniquet is effective in controlling life-threatening bleeding from a limb. ...
Immobilize the injured body part as much as possible.
This is true. If the victim is dying from possibly something fatal and is unconscious then you cant simply wake him up and wait. Certain cases providing relief even if they dont want you to is recommended especially if life threatening.
The main components of smog are nitrogen oxides,
volatile organic compounds, peroxyacytyl nitrate and tropospheric ozone. Smog
is a mixture of air pollutants which are altered due to exposure to sunlight.
Definitely the first two [a lack of knowledge; substance use and abuse]. Depending on the situation, a lack of structured activities might hinder someone from making a correct decision, but otherwise I'd personally select answer A and answer B.