what part of your nervous system is at work as you are moving your hand to choose the right answer on this test

After the and pad aer attached to the victim bare chest the aed detect ventricular fibrillation what is the next step when using an aed

What is a possible consequence of abusing intravenous drug such as heroin? a-hiv transmission b-alcohol poisoning c-improving appetite d-lung cancer

(i think the answer is a, am i right? ) most regulatory signs are a. octagonal and red or white b. circular and blue or green c. rectangular and red or white d. rectangular and yellow