BLS HeartCode *online* exam 2023 with 100% correct answers

After positioning yourself directly above the victim's head, what is the correct order of steps for using a bag-mask device? correct answers1. Place the mask on the victim's face, using the bridge of the nose as a guide for the correct position 2. Use the E-C clamp technique to hold the mask in place while you lift the jaw to hold the airway open 3. Squeeze the bag to give breaths (1 second each) while watching for chest rise How are breaths delivered using a bag-mask device? correct answers1 breath over 1 second, while watching for chest rise Why an AED is needed correct answers- Most sudden cardiac arrests are triggered by abnormal heart rhythms called arrhythmias - Two life-threatening arrhythmias that can cause cardiac arrest are pulseless ventricular tachycardia(pVT) and ventricular Fibrillation (VF) where the heart's electrical impulses suddenly become chaotic and ineffective - Blow flow to the brain stops abruptly, and the victim loses consciousness -Death usually follows unless a normal heart rhythm and pulse are restored within minutes Why is an AED needed? correct answersTo analyze the heart rhythm and provide a shock After an AED delivers a shock, what should the rescuers do next? correct answersResume CPR, starting with chest compressions How to Use an AED correct answersStep 1: Power on the AED if needed