Answer: C. epinephrine aka epipen
Explanation: Epinephrine or adrenaline know as an epipen. The presence of this hormone in the bloodstream causes an increase in heart rate, blood pressure, and cardiac output. It also causes dilation of the bronchial tubules to increase oxygen intake, which explains why a shot of epinephrine can control a severe asthma attack and treat anaphylaxis shock from a severe allergic reaction. Adrenaline elevates the blood-sugar level, too. All of these physiological effects combine to give the body an extra spurt of energy and strength... PF
