Which of the following basic airway adjuncts prevents the tongue from falling back to occlude the airway?

Of the following, which form of radiation has the highest potential to cause harm?

a. Alpha b. Beta c. Charlie d. Gamma

You and your partner arrive at the scene of a middle-aged man who collapsed about 5 minutes ago. He is unresponsive, apneic, and pulseless. Bystanders are present, but have not provided any care. You should:

a. have your partner perform CPR while you question the bystanders. b. begin high-quality CPR and apply the AED as soon as possible. c. perform two-rescuer CPR for 5 minutes and request ALS backup. d. immediately apply the AED pads and analyze his cardiac rhythm.