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AHA BLS Exam Review Questions and Answers 2024 Update 1. When should the rescuer initially ensure that the scene is safe? a. When the rescuer first sees a potential victim b. After the rescuer activates the emergency response system c. As emergency medical services arrive on the scene d. After an AED that is attached to the victim delivers a shock
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compressions should be initiated within a. 25 seconds b. 10 seconds c. 30 seconds d. 60 seconds
a. The rescuer opens the airway, seals their mouth over the victim's mouth, pinches the victim's nose closed, and gives 2 breaths while watching for the chest to rise
b.The rescuer opens the airway, seals their mouth over the victim's mouth, and gives several small puffs while trying to avoid making the chest rise c.The rescuer opens the airway, seals their mouth over the victim's mouth, and gives 1 slow breath for a duration of 5 seconds d.The rescuer opens the airway, seals their mouth over the victim's mouth, and gives 5 slow breaths, each with a duration of 2 seconds, while watching for the chest to rise
d. Avoid performing a head tilt
oxygenation and ventilation with a bag and mask, which of the following should you perform? a. One rescue breath every 10 seconds
unexpectedly
Scenario: 53-year old man suddenly collapses and becomes unresponsive. You witness him collapse and are the first rescuer to arrive at the scene. You find him lying motionless on the floor. What is the first action you should take in this situation? a. activate the emergency response system b. start high-quality CPR beginning with chest compressions c. start providing rescue breaths d. verify that the scene is safe for you and the victim Scenario: 53-year old man suddenly collapses and becomes unresponsive. You witness him collapse and are the first rescuer to arrive at the scene. You find him lying motionless on the floor. The man doesnt respond when you touch his shoulders and shout, "are you okay?" What is your best next action? a. check his pulse b. start high-quality cpr c. start providing rescue breaths d. 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 the next best action? a. Start high-quality cpr, beginning with chest compressions b. monitor the victim until additional, more experienced help arrives c. provide rescue breathing by delivering 1 breath every 5- seconds d. find someone to help by retrieving the nearest AED What is the ratio of chest compressions to breaths when providing cpr to an adult? a. 10 compressions to 2 breaths b. 15 compressions to 2 breaths c. 30 compressions to 2 breaths d. 100 compressions to 2 breaths What are the rate and depth of chest compressions on an adult? a, rate of 60-80 compressions per minute and depth of about 1 inch
d. rate of 100-120 compressions per minute and depth of at least 2 inches What action should you take when more rescuers arrive? a. Assign tasks to other rescuers and rotate compressions every 2 minutes or more frequently if needed to avoid fatigued b. Continue cpr while the aed is attached even if you are fatigued c. wait for the most experienced rescuer to provide direction to the team d. direct the team to assign a team leader and toles while you continue cpr If you suspect that and unresponsive has head or neck trauma what is preffered method to opening the airway? A. head-tilt, chin-lift B. jaw thrust C. head tilt-neck lift D. avoid opening the airway What is the most appropriate first step to take as soon as the AED arrives at the victim's side? a power on the aed b. apply the pads c. press the analyze button d. press the shock button Which step is one of universal steps for operating an AED? a. placing pads on victims bare chest b. shaving victims hairy chest c. removing victim from water d. finding victims implanted pacemaker If a victim of cardiac arrest has an implanted pacemaker or defib, what special steps should be taken? a. avoid placing the aed pad directly over the implanted device b. avoid using the aed to prevent damage to the implanted device c. turn off the implanted device before applying the aed pads d. consider using pediatric pads to decrease the shock dose delivered What action should you take when the aed is analyzing the heart rhythm? a. Check the pulse
b. continue the chest compressions c. give rescue breaths only
d. 30: For what age victims is the thumb-encircling technique recommended when 2 or more rescuers present? a. a child younger than 3 years b. a child older than 3 years c. an infant older than 1 year d. an infant younger than 1 year What is correct chest compression depth for a child? a. at least 1/4 of depth, about 1 inch b. at least 1/3 of depth, about 1.5 inches c. at least 1/3 of depth, about 2 inches d. at least 1/2 of depth, about 3 inches what is correct chest compression depth for an infant? a. at least 1/4 of depth or 1 inch b. at least 1/3 of depth or 1.5 inches c. at least 1/3 of depth or about 2 inches d. at least 1/2 or at least 2.5 inches What should you do when using an AED on an infant or a child less than 8 years of age a. never use adult aed pads b. use adult aed pads c. use adult aed pads if aed does not have child pads d. use adult aed pads but cut in half If manual defib is not available for infant victim what action should you take? a. perform high-quality cpr b. use a aed equipped with pediatric dose attenuator c. use an aed without a pediatric dose attenuator d. wait for advanced care to arrive What is important to remember about placing aed pad on infants? a. ensure pads overlap b. place 1 adult pad on the chest c. place 1 pad on chest and one on back d. if child pads not available do not use aed
You encounter an unresponsive 56 year old man who has been taking hydrocodone after a surgical procedure. He is not breathing and has no pulse. You notice that his medication bottle is empty and suspect an opiod-associated life threat emergency. A colleague activates the emergency response system and is retriving aed and naloxone. What is most appropriate action? a. wait for naloxone to arrive b. begin cpr c. provide 1 rescue breathe every 5-6 seconds until naloxone arrives d. provide rapid defib with aed which is an example of a mild foreign body airway obstruction? a. cyanosis b. high-pitched noise while inhaling c. inability to speak or cry d. wheezing between coughs Which victim of a severe airway obstruction should receive abdominal thrusts? a. average size 27 year old man b. woman who is pregnant c. obese 50 year old d. average size 9 month old infant You are performing abdominal thrusts on a 9 year old when he suddenly becomes unresponsive. You shout for help, what is most appropriate action? a. begin cpr with chest compressions b. check for pulse c. continue performing abdominal thrusts d. provide 5 back slaps followed by 5 chest thrusts