BLS Certification Test 2023 with verified questions and answers

What is the order of actions to be taken when there is a victim who may need your help? check scene, check responsiveness, call for help & call 911, and get the AED if alone What are the signs that a victim needs CPR? no breathing or abnormal breathing, unresponsivess, no pulse What is the best way to open the airway of an unresponsive victim that you don't suspect has a neck injury? head-tilt chin lift What is the maximum amount of time you should take to check for a pulse? no more than 10 When is it appropriate to move an adult victim who needs CPR? when they're laying in the water, if the environment is or becomes dangerous, or if you can't effectively perform CPR in the area Interruptions in chest compressions should be limited to how many seconds? less than 10 How does complete chest recoil contribute to effective CPR? it allows the heart to refill with blood To reduce fatigue during CPR, how often should compressors switch roles? every 5 sets of 30:2 breaths, every 2 minutes, or when the AED tells you to analyze the heart rhythm Why are chest compressions important? it keeps blood flowing When should you deliver a sock from the AED? when it tells you to What is the best way to handle choking in a responsive adult? abdonimal thrusts What should you do if a choking adult becomes unresponsive while you are doing abdominal thrusts? lat them down and begin CPR What is the compression-ventilation ratio for 1-rescuer infant CPR? 30:2 Where is the brachial pulse located? the inside of the upper arm When is the only time a bag-mask should be used on a victim who needs breaths? when there are only two rescuers What are the required depths of compressions for adults, children and infants? adults: at least 2 inches children: 1/3 of chest depth or around 2 inches infants: 1/3 of chest depth or 1 1/2 inches What do you do if a child has a pulse but is not breathing? give breaths, one breath every 3-5 seconds (rescue breaths) What is the compression-ventilation ratio for one rescuer adult, child, and infant CPR? 30:2 Why is it important to compress the chest to the appropriate depth during CPR? to provide enough blood flow What is the recommended rate of compressions for victims of all ages? 100-120 per minute What is the recommendation for preventing gastric inflamation during bag-mask ventilation? During breaths using a mask or face shield? don't breath too forcefully, too much, or too hard; give air just until the chest rices What are the guidelines for using an AED on a child? use the AED as soon as it is available, use adult pads, and place them according to the images What are the roles of each of the rescuers during 2-rescuer CPR? rescuer one accesses the victim and starts CPR, and rescuer two gets the AED and does bag mask breaths What are the steps for using an AED? turn it on and follow the instructions What is the correct hand placement when providing compressions on an adult? the heel of the hand on center of the breastbone, middle of the nipple line What should you do after the AED delivers a shock? resume compressions What is the compression-ventilation ratio for 2-rescuer adult, child, and infant CPR? 30:2 for children and adults, 15:2 for infants What is the recommended rate of breaths when a child has a pulse? one breath every 3-5 seconds How should you provide chest compressions to an infant during 2-rescuer CPR? the two-thumbs encircling technique What is the sequence of steps for an infant who is choking? Child? Adult? infant: five back slaps, then five chest compressions child & adult: chest compressions When attempting to use an AED, what procedures should be followed if the victim has: a very hairy chest, b. Is submerged in water c. is lying in a small puddle or snow, d. Has a wet chest, e. Has an implanted pacemaker, f. Has a transdermal medicine patch? a. shave or rip the hair with pad b. take them out of water c. leave them there d wipe it e. go above it f. take it off with gloves How can rescuers ensure they are providing effective breaths with a bag mask device? With a pocket mask or face shield? by looking at chest rise Which duty is most important to alternate to support a team approach with three rescuers? compressions What are the components of positive team dynamics? knowing your role, knowing your limits, and having proper communication What is the first course of action when a victim with a blocked airway becomes unresponsive? start CPR Why is defibrillation important? to get the heart beating back to a normal rhythm What modification should you incorporate when performing CPR on an unresponsive choking victim? look for whatever is blocking the airway before compressions, and sweeping it out with your finger if you can How do you relieve an airway obstruction in a responsive, choking victim? lay them down, start doing back slaps, then do chest compressions Why is it important to allow complete chest recoil when giving chest compressions? so that the heart can refill with blood When should rescuers switch positions during CPR? when the AED analyzes the heart rhythm, or after 5 cycles of CPR (around 2 minutes) What should you do for an unresponsive adult, who has no pulse and is only gasping? begin CPR