The right answer is A. call 911.
Shock is a clinical syndrome that reflects acute circulatory failure. It is therefore an emergency that evolves towards death in the absence of treatment. The treatment is designed in a specialized environment and is based on the case of tonicardiaques, thrombolytics, surgical embolectomy and so on.
The patient is prostrate, pale, very anxious, has a pallor of the skin and mucous membranes, a cooling of the extremities with cyanosis (bluish coloration of the integuments), cold sweats, polypnea (superficial breathing) superficial, tachycardia (acceleration of the rhythm heart rate), lowered or even impregnable blood pressure (cardiovascular collapse).
The only one that would make sense not doing is breathing in slowly because you want the medicine to go in quickly to the airways and not get stuck in your mouth.
Answer:
They could eat healthier, like replacing junk food with healthier options, and exercise more by maybe going for walks instead of sitting around watching TV