Final answer:
1) CPR plus AED can significantly boost survival if it is begun within 4-6 minutes of collapse. 2) Some common signs and symptoms of a snake bite include pain or swelling at the bite site, redness and bruising around the area, nausea and vomiting, headache, weakness, and dizziness. 3) More context is needed to determine the most appropriate answer.
Step-by-step explanation:
1) CPR plus AED can significantly boost survival if it is begun within 4-6 minutes of collapse. Prompt initiation of CPR and using an AED can greatly increase the chances of survival by providing immediate assistance until medical professionals arrive.
2) Some common signs and symptoms of a snake bite include pain or swelling at the bite site, redness and bruising around the area, nausea and vomiting, headache, weakness, and dizziness. It's important to seek medical attention immediately if you suspect a snake bite to receive proper treatment.
3) Without the complete question, it is difficult to determine the most appropriate option in this context. Please provide more information, and I'll be happy to help you!