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Emergency CPR and AED Usage: Key Questions and Answers, Exams of Cardiology

Marquette University (MU)Cardiology

Answers to frequently asked questions regarding the initial steps and procedures for using cpr and an automated external defibrillator (aed) in emergency situations. Topics include identifying cardiac arrest, checking for a pulse, compressions depth and rate, ventilation techniques, and using an aed on infants and children.

Typology: Exams

2023/2024

Available from 03/25/2024

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AHA BLS EXAM REVIEW
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 - correct answer A
2. As soon as an AED becomes available, which of the following is the first step
the rescuer should perform to operate the AED?
a. Place the AED pads on the chest
b. Deliver 2 rescue breaths before using the AED
c. Turn on the AED
d. Complete 5 cycles of chest compressions - correct answer C
3. After the AED delivers a shock, the rescuer should
a. Wait for the AED to reanalyze the rhythm
b. Immediately restart CPR, beginning with chest compressions
c. Provide 2 ventilations to the victim
d. Immediately check the carotid pulse for no more than 10 seconds - correct
answer B
4. The 2010 AHA Guidelines for CPR and ECC recommend that to identify cardiac
arrest in an unresponsive victim with no breathing (or no normal breathing), a
healthcare provider should check a pulse for no more than
a. 25 seconds
b. 10 seconds
c. 15 seconds
d. 20 seconds - correct answer B
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Download Emergency CPR and AED Usage: Key Questions and Answers and more Exams Cardiology in PDF only on Docsity!

AHA BLS EXAM REVIEW

  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 - correct answer A
  2. As soon as an AED becomes available, which of the following is the first step the rescuer should perform to operate the AED? a. Place the AED pads on the chest b. Deliver 2 rescue breaths before using the AED c. Turn on the AED d. Complete 5 cycles of chest compressions - correct answer C
  3. After the AED delivers a shock, the rescuer should a. Wait for the AED to reanalyze the rhythm b. Immediately restart CPR, beginning with chest compressions c. Provide 2 ventilations to the victim d. Immediately check the carotid pulse for no more than 10 seconds - correct answer B
  4. The 2010 AHA Guidelines for CPR and ECC recommend that to identify cardiac arrest in an unresponsive victim with no breathing (or no normal breathing), a healthcare provider should check a pulse for no more than a. 25 seconds b. 10 seconds c. 15 seconds d. 20 seconds - correct answer B
  1. After you identify an unresponsive victim with no breathing (or no normal breathing) and no pulse, chest compressions should be initiated within a. 25 seconds b. 10 seconds c. 30 seconds d. 60 seconds - correct answer B
  2. Which of the following victims need CPR? a. A victim with a pulse and who is having trouble breathing b. A victim with chest pain and indigestion c. A victim who is unresponsive, no normal breathing and absent/ inadequate pulse d. A victim who is unresponsive but is breathing adequately - correct answer C
  3. Where should the hands be placed to perform chest compressions on an adult? a. On the lower half of the breastbone b. In the center of the breastbone c. On the upper portion of the abdomen d. On the upper half of the breastbone - correct answer A
  4. The depth of compressions for an adult victim should be at least a. 1 inch b. 2 inches c. 3 inches d. 4 inches - correct answer B
  5. Why is it important to compress to the appropriate depth during CPR?

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 - correct answer A

  1. The rescuer knows the rescue breath for in infant victim is effective when a. The stomach visibly rises b. The chest rises visibly c. The child ventilation bag is completely compressed d. The rescuer can hear an air leak around the mask - correct answer B
  2. Which of the following ventilation devices/techniques is not recommended for a single rescuer to provide breaths during CPR? a. Bag-mask device b. Mouth-to-barrier device technique c. Mouth-to-mouth technique d. Mouth-to-mask technique - correct answer A
  3. During bag-mask ventilation, which of the following is recommended to minimize the risk of gastric inflation? a. Give breaths as quickly as you can b. Give each breath over as long a time as you can (several seconds) c. Give the largest breaths that you can d. Give a breath just until you see the chest rise - correct answer D
  4. When a child has a pulse rate greater than 60 per minute, but is not breathing effectively, the rescuer should a. Give breaths and compressions b. Give breaths without compressions c. Give chest compressions without breaths d. Connect the AED to the child and analyze - correct answer B
  1. When administering breaths by using a bag-mask device for a child who is not breathing but does have a pulse, the rescuer should a. Squeeze the bag as often as possible b. Give breaths at the rate of 1 breath every 3 to 5 seconds c. Position the child on their stomach d. Avoid performing a head tilt - correct answer B
  2. In 2-rescuer CPR, while the first rescuer begins chest compressions, the second rescuer should a. Count compressions out loud b. Check for a pulse during compressions c. Do nothing until the first rescuer needs relief d. Maintain an open airway and give ventilations - correct answer D
  3. Which of the following options lists the correct compression and ventilation rates for 2-rescuer CPR in the presence of an advanced airway? a. Compress at a rate of at least 100 per minute, 1 breath every 6 - 8 seconds b. Compress at a rate of at least 60 per minute, 1 breath every 6 - 8 seconds c. Compress at a rate of at least 100 per minute, 2 breaths every 5-10 seconds d. Compress at a rate of at least 60 per minute, 1 breath every 5-10 seconds - correct answer A
  4. The compression-to-breaths ratio for 2-rescuer child CPR is a. 30: b. 5: c. 20: d. 15:2 - correct answer D
  5. The compression-to-breaths ratio for 2-rescuer infant CPR is

b. Is the preferred chest compression technique for 2-rescuer CPR c. Is the preferred chest compression technique for 1-rescuer CPR d. Generates less blood pressure than the 2-finger technique - correct answer B In which locations do most out-of-hospital cardiac arrests occur? a. healthcare clinics b. homes c. recreational facilities d. shopping centers - correct answer B Which is the most common cause of cardiac arrest in children? a. cardiac problem b. congenital or acquired heart disease c. respiratory failure or shock d. infection and sepsis - correct answer C What is the third link in the adult out-of-hospital chain of survival? a. Advanced life support b. High-quality CPR c. prevention d. rapid defibrillation - correct answer D Which statement best describes sudden cardiac arrest? a. when respiratory distress in adults occurs and the heart rate does not change b. when the heart rate is 40-60/min and respirations increase c. when blood flow to the heart is blocked and the heart rate increases d. when an abnormal rhythm develops and the heart stops beating unexpectedly - correct answer D

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 - correct answer D 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 - correct answer D 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 5-6 seconds d. find someone to help by retrieving the nearest AED - correct answer A

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 - correct answer A 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 - correct answer A 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 - correct answer A 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. stand clear of the victim - correct answer D After performing high-quality cpr for 5 minutes, team leader frequently interrupts chest compressions to check for a pulse even though the victim has no

organized rhythm when aed analyzes the rhythm/ Which action demonstrates constructive intervention? a. ask another rescuer what he thinks should be done b. say nothing that contradicts the team leader c. suggest to resume chest compressions without delay d. wait until the debriefing session afterward to discuss is - correct answer C The team leader asks you to perform bag-mask ventilation during resuscitation attempt, but you have not perfected that skill. What would be an appropriate action to acknowledge your limitations? a. pick up the bag-mask device and give it to another team member b. pretend you did not hear the request and hope the team leader chooses someone else to do it c. tell the team leader that you are not comfortable performing that task d. try to do it as best as you can and hope another team member will see you struggling and take over - correct answer c what is the appropriate action to demonstrate closed-loop communication when the team leader assigns you a task? A. repeat back to the team leader the task you were assigned b. nod your head as an acknowledgment of the assigned task c. start performing the assigned tasks, but do not speak, to minimize noise d. wait for the team leader to address you by name before acknowledging the taks

  • correct answer A What is the correct compression-to-ventilation ratio for a single rescuer of a 3- year old child? a. 15: b. 15: c. 20: d. 30:2 - correct answer D

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 - correct answer C 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 - correct answer B 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 - correct answer C which victim would need only rescue breathing? a. agonal gasping with no pulse b. breathing with weak pulse c. no breathing and a pulse d. no breathing and no pulse - correct answer C How often should rescue breaths be given in infants and children when pulse is present? a. 1 breath 2-3 seconds b. 1 breath 3-5 seconds c. 1 breath 5-6 seconds d. 1 breath 8-10 seconds - correct answer B

Which action can rescuers perform to potentially reduce risk of gastric inflation? a. delivering each breath over 1 second b. giving rapid, shallow breaths c. using bvm to deliver ventilation d. using mouth to mouth breathing - correct answer A Which is preferred method for giving rescue breaths to infant? a. mouth to mouth b. mouth to mouth and nose c. mouth to nose d. any method - correct answer B What is not an example of an opioid? a. heroin b. hydrocodone c. morphine d. naloxone - correct answer D your 27-year old roommate uses opiods. You find him unresponsive with no breathing, but a strong pulse. You suspect an opioid associated life threatening emergency. a friend is phoning 9-1-1 and is looking for naloxone autoinjector. what action should you take? a. remain with your roommate until naloxone arrives and administer it b. begin cpr, starting with chest compressions c. provide rescue breathing, 1 breath 5-6 seconds d. provide rapid defib with an aed - correct answer C 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.