You are alone on your lunch break, and as you get ready to enter the elevator to go to the lunch room, you observe a middle-aged man standing near you clutch his chest in pain and collapse. The man is now laying on the ground.

1. What should be your first intervention with this type of emergency and with any cardiac arrest emergency?

2. You verify that the victim is in a safe place away from the elevator and you to begin the BLS healthcare provider adult cardiac arrest algorithm. What will you do now?

3. You establish that the man is unresponsive, and you shout for help. What should be your next intervention after establishing unresponsiveness and shouting for help?

4. You push the code blue button that is nearby. No one has arrived to help yet. What should you do now since you are a single rescuer?

5. You get the AED and return to the patient. As you return, another rescue arrives to help. Since there are now two rescuers, choose the two interventions that will now be done simultaneously?

6. If you DO NOT definitely feel a pulse within ______ seconds, you should begin CPR by starting with chest compressions.

7. The pulse check reveals that there is no pulse, and you begin CPR. What else should you do at this time? (Choose all correct answers)

8. The AED is turned on and you are performing high-quality CPR. Your helper places the AED pads on the patient, and you now pause chest compressions, and "clear" the victim while the AED analyzes the rhythm. The AED instructs you to provide a shock to the victim, and you provide the shock by pushing the shock button on the AED. What should you always do immediately after a shock?

9. You begin CPR knowing that the AED has a timer that will help you keep track of when the next AED rhythm analysis is due.
You have traded positions with your helper. She is providing chest compressions, and you are now providing rescue breaths. What interventions listed below are important while you are providing rescue breaths? (Choose all correct answers)

10. You and your helper have continued performing high-quality CPR with a 30:2 compression to ventilation ratio. The AED now instructs you to clear the patient for the rhythm analysis.

The AED states "no shock advised."

Since the AED did not advise a shock, you immediately switch compressors and begin to deliver high-quality CPR starting with chest compressions.

According to the BLS healthcare provider adult cardiac arrest algorithm, when should you check for a pulse again.

11. High-quality CPR continues. After approximately 90 seconds of continued CPR, the victim begins to moan and move their head.

Congratulations, you have performed a successful resuscitation on this patient! Last question.

Choose the two indications that allow for you to stop performing BLS CPR.