You are in line at the grocery store when a woman in line collapses. You immediately tap and shout, with no response, and phone 9-1-1. What step in the adult Chain of Survival is described in this scenario?

When preforming CPR, when should you switch positions and allow someone else to take over compressions and breaths?

What should you do if you're not sure what actions to take in an emergency?

How deep should you push the chest of an adult when giving chest compressions?

What should you do if a chocking adult stops responding?

How do you protect an amputated body part?

You come across an adult lying on the ground. You tap and shout, but he is unresponsive. What should you do next?

A friend and you are at the park. You notice a man who has been stung by a bee and is having difficulty breathing. Where should the epinephrine pen be injected into this person?

What are the correct rate and depth for providing compressions during high-quality adult CPR to improve survival?

What is the next step when giving first aid to someone who has been bitten by a spider, after you've ensured scene safety and put on personal protective equipment?

What should you do if someone with a serious injury or illness refuses care?

How long should you rub the surfaces of your hands together during handwashing?

What should you do after you've finished taking care of an injured person at work?