CPR BLS Exam 2023 AHA with complete solution

Why is defibrillation important? Correct Answer- It can restore a regular cardiac rhythm (An AED can identify an abnormal heart rhythm that needs a shock. The AED can then deliver a shock that can convert a rhythm back to normal.) While performing high-quality CPR on an adult patient, what action should you ensure is being accomplished? Correct Answer- Compressing to a depth of at least 2 inches (When performing chest compressions on an adult (or adolescent), a compression depth of at least 2 inches (5 cm) should be used.) A 63-year-old man collapses while mowing the lawn. He is unresponsive, is not breathing, and does not have a pulse. A neighbor, who is an EMT, rushes to her with an AED. When the AED arrives, what is the first step for using it? Correct Answer- Turn on the AED (The first step for using an AED (when it becomes available) is to power on the AED if needed. Some devices will power on automatically when you open the lid or case. Because AEDs vary according to the model and manufacturer, it is important to become familiar with the AED used in your particular setting.) After the AED pads are attached to the victim's bare chest, the AED prompts you to shock the victim. What is the next step when using an AED? Correct Answer- Follow the AED prompts and press the shock button once everyone is clear. (After the AED pads are attached to the victim's bare chest, you should follow the AED prompts. The AED will analyze the victim's heart rhythm and prompt you to deliver a shock if needed.) What should you do if you need to use an AED on someone who has been submerged in a pool? Correct Answer- Pull the victim out of the water, and wipe the chest, and use the AED (Special situations may require the rescuer to take additional actions when placing AED pads for a victim who is immersed in water. In this case, the victim should be pulled out of the water. If the chest is covered with some water, it should be quickly wiped before attaching the AED pads.) A victim with who is choking becomes unresponsive. What is your first course of action? Correct Answer- Start CPR, beginning with chest compressions (Choking victims with severe airway obstruction may worsen and become unresponsive. If this occurs, then high-quality CPR must be started immediately, beginning with chest compressions.) When using a bag-mask device, how can rescuers ensure that they are providing effective breaths? Correct Answer- Observing the chest rise with breaths (Squeeze the bag to give breaths (1 second each)