AHA BLS EXAM REVIEW UPDATED SOLUTIONS l l l l l
1. When should the rescuer initially ensure that the scene is safe?
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a. When the rescuer first sees a potential victim l l l l l l l
b. After the rescuer activates the emergency response system
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c. As emergency medical services arrive on the scene
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d. After an AED that is attached to the victim delivers a shock - A
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2. As soon as an AED becomes available, which of the following is the first step the
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rescuer should perform to operate the AED?
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a. Place the AED pads on the chest l l l l l l
b. Deliver 2 rescue breaths before using the AED l l l l l l l
c. Turn on the AED l l l
d. Complete 5 cycles of chest compressions - C l l l l l l l
3. After the AED delivers a shock, the rescuer should
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a. Wait for the AED to reanalyze the rhythm l l l l l l l
b. Immediately restart CPR, beginning with chest compressions l l l l l l
c. Provide 2 ventilations to the victim l l l l l
d. Immediately check the carotid pulse for no more than 10 seconds - B l l l l l l l l l l l l
4. The 2010 AHA Guidelines for CPR and ECC recommend that to identify cardiac
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arrest in an unresponsive victim with no breathing (or no normal breathing), a
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healthcare provider should check a pulse for no more than
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a. 25 seconds l
b. 10 seconds l
c. 15 seconds l
d. 20 seconds - B l l l
5. After you identify an unresponsive victim with no breathing (or no normal breathing) and
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no pulse, chest compressions should be initiated within
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a. 25 seconds l
b. 10 seconds l
c. 30 seconds l
d. 60 seconds - B l l l
6. Which of the following victims need CPR? l l l l l l
a. A victim with a pulse and who is having trouble breathing
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b. A victim with chest pain and indigestion
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c. A victim who is unresponsive, no normal breathing and absent/ inadequate pulse
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d. A victim who is unresponsive but is breathing adequately - C
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7. Where should the hands be placed to perform chest compressions on an adult?
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a. On the lower half of the breastbone
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b. In the center of the breastbone
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c. On the upper portion of the abdomen
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, d. On the upper half of the breastbone - A
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8. The depth of compressions for an adult victim should be at least
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a. 1 inch
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b. 2 inches
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c. 3 inches
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d. 4 inches - B
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9. Why is it important to compress to the appropriate depth during CPR?
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a. Adequate depth of compression is needed to create blood flow during compressions l l l l l l l l l l l
b. Adequate depth of compression is needed to create air flow into the lungs and l l l l l l l l l l l l l
adequate oxygenation
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c. Adequate depth of compression is needed to prolong asystole l l l l l l l l
d. Adequate depth of compression is needed to stimulate spontaneous respirations - A l l l l l l l l l l l
10. The recommended rate for performing chest compressions for victims of all ages is
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a. At least 40 compressions per minute
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b. At least 60 compressions per minute
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c. At least 80 compressions per minute
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d. At least 100 compressions per minute - D
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11. The compression-to-ventilation ratio for 1-rescuer adult CPR is
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a. 30:2
b. 5:1
c. 20:2
d. 15:2 - A l l
12. After the airway is opened, which of the following correctly states the proper
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technique for delivering mouth-to-mouth ventilation?
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a. The rescuer opens the airway, seals their mouth over the victim's mouth, pinches the
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victim's nose closed, and gives 2 breaths while watching for the chest to rise
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b. The rescuer opens the airway, seals their mouth over the victim's mouth, and gives
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several small puffs while trying to avoid making the chest rise
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c. The rescuer opens the airway, seals their mouth over the victim's mouth, and gives 1 slow
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breath for a duration of 5 seconds
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d. The rescuer opens the airway, seals their mouth over the victim's mouth, and gives 5 slow
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breaths, each with a duration of 2 seconds, while watching for the chest to rise - A
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13. The rescuer knows the rescue breath for in infant victim is effective when
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a. The stomach visibly rises l l l
b. The chest rises visibly l l l
c. The child ventilation bag is completely compressed
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d. The rescuer can hear an air leak around the mask - B
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14. Which of the following ventilation devices/techniques is not recommended for a
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single rescuer to provide breaths during CPR?
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1. When should the rescuer initially ensure that the scene is safe?
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a. When the rescuer first sees a potential victim l l l l l l l
b. After the rescuer activates the emergency response system
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c. As emergency medical services arrive on the scene
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d. After an AED that is attached to the victim delivers a shock - A
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2. As soon as an AED becomes available, which of the following is the first step the
l l l l l l l l l l l l l l l
rescuer should perform to operate the AED?
l l l l l l l
a. Place the AED pads on the chest l l l l l l
b. Deliver 2 rescue breaths before using the AED l l l l l l l
c. Turn on the AED l l l
d. Complete 5 cycles of chest compressions - C l l l l l l l
3. After the AED delivers a shock, the rescuer should
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a. Wait for the AED to reanalyze the rhythm l l l l l l l
b. Immediately restart CPR, beginning with chest compressions l l l l l l
c. Provide 2 ventilations to the victim l l l l l
d. Immediately check the carotid pulse for no more than 10 seconds - B l l l l l l l l l l l l
4. The 2010 AHA Guidelines for CPR and ECC recommend that to identify cardiac
l l l l l l l l l l l l
arrest in an unresponsive victim with no breathing (or no normal breathing), a
l l l l l l l l l l l l l
healthcare provider should check a pulse for no more than
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a. 25 seconds l
b. 10 seconds l
c. 15 seconds l
d. 20 seconds - B l l l
5. After you identify an unresponsive victim with no breathing (or no normal breathing) and
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no pulse, chest compressions should be initiated within
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a. 25 seconds l
b. 10 seconds l
c. 30 seconds l
d. 60 seconds - B l l l
6. Which of the following victims need CPR? l l l l l l
a. A victim with a pulse and who is having trouble breathing
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b. A victim with chest pain and indigestion
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c. A victim who is unresponsive, no normal breathing and absent/ inadequate pulse
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d. A victim who is unresponsive but is breathing adequately - C
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7. Where should the hands be placed to perform chest compressions on an adult?
l l l l l l l l l l l l
a. On the lower half of the breastbone
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b. In the center of the breastbone
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c. On the upper portion of the abdomen
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, d. On the upper half of the breastbone - A
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8. The depth of compressions for an adult victim should be at least
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a. 1 inch
l
b. 2 inches
l
c. 3 inches
l
d. 4 inches - B
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9. Why is it important to compress to the appropriate depth during CPR?
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a. Adequate depth of compression is needed to create blood flow during compressions l l l l l l l l l l l
b. Adequate depth of compression is needed to create air flow into the lungs and l l l l l l l l l l l l l
adequate oxygenation
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c. Adequate depth of compression is needed to prolong asystole l l l l l l l l
d. Adequate depth of compression is needed to stimulate spontaneous respirations - A l l l l l l l l l l l
10. The recommended rate for performing chest compressions for victims of all ages is
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a. At least 40 compressions per minute
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b. At least 60 compressions per minute
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c. At least 80 compressions per minute
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d. At least 100 compressions per minute - D
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11. The compression-to-ventilation ratio for 1-rescuer adult CPR is
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a. 30:2
b. 5:1
c. 20:2
d. 15:2 - A l l
12. After the airway is opened, which of the following correctly states the proper
l l l l l l l l l l l l
technique for delivering mouth-to-mouth ventilation?
l l l l l
a. The rescuer opens the airway, seals their mouth over the victim's mouth, pinches the
l l l l l l l l l l l l l
victim's nose closed, and gives 2 breaths while watching for the chest to rise
l l l l l l l l l l l l l l
b. The rescuer opens the airway, seals their mouth over the victim's mouth, and gives
l l l l l l l l l l l l l
several small puffs while trying to avoid making the chest rise
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c. The rescuer opens the airway, seals their mouth over the victim's mouth, and gives 1 slow
l l l l l l l l l l l l l l l
breath for a duration of 5 seconds
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d. The rescuer opens the airway, seals their mouth over the victim's mouth, and gives 5 slow
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breaths, each with a duration of 2 seconds, while watching for the chest to rise - A
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13. The rescuer knows the rescue breath for in infant victim is effective when
l l l l l l l l l l l l
a. The stomach visibly rises l l l
b. The chest rises visibly l l l
c. The child ventilation bag is completely compressed
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d. The rescuer can hear an air leak around the mask - B
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14. Which of the following ventilation devices/techniques is not recommended for a
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single rescuer to provide breaths during CPR?
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