BLS (HOSA) Questions & Answers | 100% Correct Answers | Verified | Latest 2024 Version

BLS (HOSA) Questions & Answers | 100% Correct Answers | Verified | Latest 2024 Version What locations do most out-of-hospital cardiac arrests occur? - Homes What is the most common cause of cardiac arrest in children? - Respiratory failure or shock What is the third link in the adult out-of-hospital Chain of Survival? - Rapid defibrillation Which statement best describes sudden cardiac arrest? - When an abnormal rhythm develops and the heart stops beating unexpectedly What is the first action you should take when you witness a 53 year old collapse and is lying motionless on the floor and you're are the first rescuer to arrive to the scene? - Verify that the scene is safe for you and the victim The man doesn't respond when you touch his shoulders and shout "Are you OK?" What is your best next action? - Shout for nearby help Several rescuers respond, and you ask them to activate the emergency response and retrieve the AED and emergency equipment. As you check for a pulse and breathing, you notice that the man is gasping for air and making "snorting" sounds. You do not feel a pulse. What is your best next action? - Start high-quality CPR, beginning with chest compressions What is the ratio of chest compressions to breaths when providing CPR to an adult? - 30 compressions to 2 breaths What is the rate and depth for chest compressions on an adult? - A rate of 100 to 120 compressions per minute and a depth of at least 2 inches What action should you take when more rescuers arrive? - Assign tasks to other rescuers and rotate compressors every 2 minutes or more frequently if needed to avoid fatigue If you suspect that an unresponsive victim has head or neck trauma, what is the preferred method for opening the airway? - Jaw thurst What is the most appropriate first step to take as soon as the AED arrives at the victim's side? - Power on the AED Which step is one of the universal steps for operating an AED? - Placing the pads on the victim's bare chest If a victim of cardiac arrest has an implanted pacemaker or defibrillator, what specific step should be taken? - Avoid placing the AED pad directly over the implanted device What action should you take when the AED is analyzing the heart rhythm? - Stand clear of the victim After performing high-quality CPR for 5 minutes, the team leader frequently interrupts chest compressions to check for a pulse even though the victim has no organized rhythm when the AED analyzes the rhythm. Which action demonstrates constructive intervention? - Suggest to resume chest compressions without delay The team leader asks you to perform bag-mask ventilation during a resuscitation attempt, but you have not perfected that skill. What would be an appropriate action to acknowledge your limitations? - Tell the team leader that you are not comfortable performing that task What is the appropriate action to demonstrate closed-loop communication when the team leader assigns you a task? - Repeat back to the team leader the task you were assigned What is the correct compressions-to-ventilation ratio for a single rescuer of a 3-year-old child? - 30 compressions to 2 breaths What is the correct compression-to-ventilation ratio for a 7-year-old when 2 or more rescuers are present? - 15 compressions to 2 breaths For what age victim is the 2 thumb-encircling hands technique recommended when 2 or more rescuers are present? - An infant younger than 1 year What is the correct chest compression depth for a child? - At least one third the depth of the chest or about 2 inches What is the correct chest compression depth for an infant? - At least one third the depth of the chest, or about 1 1/2 inches What should you do when using an AED on an infant or child less than 8 years of age? - Use adult AED pads if the AED does not have child pads If a manual defibrillator is not available for an infant victim, which action should you take? - Use an AED equipped with a pediatric does attenuator What is important to remember about AED pad placement on infants? - You may need to place 1 pad on the chest and 1 on the back, according to the diagrams