AHA BLS Exam (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A
AHA BLS Exam (Latest 2024/ 2025 Update)
Questions and Verified Answers| 100%
Correct| Grade A
Q: Why is it important to compress to the appropriate depth during CPR?
a. Adequate depth of compression is needed to create blood flow during compressions
b. Adequate depth of compression is needed to create air flow into the lungs and adequate
oxygenation
c. Adequate depth of compression is needed to prolong asystole
d. Adequate depth of compression is needed to stimulate spontaneous respirations
Answer:
A
Q: The recommended rate for performing chest compressions for victims of all ages is
a. At least 40 compressions per minute
b. At least 60 compressions per minute
c. At least 80 compressions per minute
d. At least 100 compressions per minute
Answer:
D
Q: The compression-to-ventilation ratio for 1-rescuer adult CPR is
a. 30:2
b. 5:1
c. 20:2
d. 15:2
Answer:
A
Q: After the airway is opened, which of the following correctly states the proper technique for
delivering mouth-to-mouth ventilation?
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
Answer:
A
Q: 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
Answer:
B
Q: 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
Answer:
A
Q: 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
Answer:
D
Q: 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
Answer:
B
Q: 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
Answer:
B
Q: 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
Answer:
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- When should you initially ensure that the scene is safe?
a. After I activate the emergency response system.
b. After an AED attached to the victim delivers a response.
c. As emergency medical services arrive on the scene.
d. When I first see a potential victim.
D
A victim with chest pain and indigestion.
- Which victim requires CPR?
a. A victim who is unresponsive with no normal breathing and no pulse.
b. A victim who is unresponsive but is breathing adequately
c. A victim with a pulse who is having trouble breathing.
d. A victim with chest pain and indigestion.
A
A victim who is unresponsive with no normal breathing and no pulse.
- What us the best way to open the airway of an unresponsive victim with no suspected neck injury?
a. Use the tongue lift-finger sweep.
b. Use the head tilt-chin lift.
c. Use the head tilt only.
d. Use a mask.
B
Use the head tilt-chin lift.
- What is the maximum amount of time you should take to check fro a pulse?
a. 25 seconds
b. 20 seconds
c. 15 seconds
d. 10 seconds
D
10 seconds
- Which of the following techniques or devices is not recommended for a single rescuer to provide breaths during CPR?
a. Bag-mask device
b. Mouth-to-barrier device
c. Mouth-to-mask technique
d. Mouth-to-mouth technique
A
Bag-mask device
- What is the recommended depth of chest compressions for an adult victim?
a. At least 1 inch (2.5cm)
b. At least 2 inches (5cm)
c. At least 3 inches (7.5cm)
d. At least 4 inches (10cm)
B
At least 2 inches (5cm)
- What should you do when a child victim has a pulse of more than 60/min but is not breathing?
a. Give breaths and chest compressions
b. Give breaths without chest compressions
c. Give chest compression without breaths
d. Use AED with child pads
B
Give breaths without chest compressions
- What is the compression-ventilation ratios for 1-rescuer adult CPR?
a. 5:1
b. 15:2
c. 20:2
d. 30:2
D
30:2
- Why is it important to compress to the appropriate depth during CPR?
a. Adequate depth of compression is needed to created blood flow during compression.
b. Adequate depth of compression is needed to create air flow into the lungs and adequate oxygenation.
c. Adequate depth of compression is needed to prolong asystole.
d. Adequate depth of chest compression is needed to stimulate spontaneous respiration.
A
Adequate depth of compression is needed to created blood flow during compression.
- What is the recommended rate for performing chest compressions for the victims of all ages?
a. At least 40 compressions per minute.
b. At least 60 compressions per minute.
c. At least 80 compressions per minute.
d. At least 100 compressions per minute.
D
At least 100 compressions per minute.
- Which of the following is recommended to minimize the risk of air entering the victim’s stomach (gastric inflation) during bag-mask ventilation?
a. Give breaths as quickly as yo can.
b. Give breaths over several seconds.
c. Give the largest breaths that you can.
d. Give a breath just until you see the chest rise.
D
Give a breath just until you see the chest rise.
- Which of the following statements is true about using an AED for a child less than 8 years of age?
a. Adult pads may be used, but they should be cut in half before application.
b. Adult pads/dose may be used if pediatric pads/dose attenuator are not available.
c. Only 1 adult pad should be used.
d. Infant pads may be used if pediatric pads are not available.
B
Adult pads/dose may be used if pediatric pads/dose attenuator are not available.
- What are the correct compression and ventilation rates for 2-rescuer CPR in the presence of an advanced airway in an adult victim?
a. Compress at a rate of at least 100 per minute, with 1 breath every 6 to 8 seconds.
b. Compress at a rate of at least 60 per minute, with 1 breath every 6 to 8 seconds.
c. Compress at a rate of at least 100 per minute, with 2 breaths every 5 to 10 seconds.
d. Compress at a rate of at least 60 per minute, with 1 breath every 5 to 10 seconds.
A
Compress at a rate of at least 100 per minute, with 1 breath every 6 to 8 seconds.
- During 2-rescuer CPR, one rescuer provides chest compressions. What is the role of the second rescuer?
a. Count compressions aloud.
b. Check for a pulse during compressions.
c. Do nothing until the first rescuer needs relief.
d. Maintain an open airway and give breaths.
D
Maintain an open airway and give breaths.
- As son as an AED becomes available, which of the following is the first step you should perform to operate the AED?
a. Deliver 2 rescue breaths before using the AED.
b. Complete 5 cycles of chest compressions.
c. Place the AED pads on the chest.
d. Turn on the AED.
D
Turn on the AED.
- Where should you place your hands to perform chest compression on an adult?
a. On the upper portion of the abdomen.
b. In the center of the breastbone.
c. On the lower half of the breastbone
d. On the upper half of the breastbone.
C
On the lower half of the breastbone
- What should you do after the AED delivers a shock?
a. Immediately check the carotid pulse for no more than 10 seconds.
b. Immediately restart CPR, beginning with chest compression.
c. Wait for the AED to reanalyze the rhythm.
d. Provide 2 breaths to the victim.
B
Immediately restart CPR, beginning with chest compression.
- If a victim of foreign-body airway obstruction becomes unresponsive, after you send someone to activate the emergency system, what is the next recommended action?a. Cal the victim’s doctor.
b. Perform abdominal thrusts.
c. Perform blind finger sweeps.
d. Start CPR, beginning with compression.
D
Start CPR, beginning with compression.
- What is the compression-ventilation ratio for 2-rescuer child CPR?
a. 5:1
b. 15:2
c. 20:2
d. 30:2
B
15:2
- What should yo do when administering breaths by using a bag-mask device for a child who is not breathing but does have a pulse?
a. Give breaths at a rate of 1 breath every 3 to 5 seconds.
b. Position the child on his or her stomach.
c. Squeeze the bag as often as possible.
d. Avoid performing a head tilt.
A
Give breaths at a rate of 1 breath every 3 to 5 seconds.
- What is the recommended depth of compression for an infant victim?
a. At least one fourth the depth of the chest, approximately 1 inch (2.5cm).
b. At least on third the depth of the chest, approximately 1.5 inches (4cm)
c. At least one half the depth of the chest, approximately 2 inches (5cm)
d. At least tow thirds the depth of the chest, approximately 3 inches (8cm)
B
At least on third the depth of the chest, approximately 1.5 inches (4cm)
- What should you observe when trying to determine if rescue breaths for an infant victim are effective?
a. Visible rise of the stomach with each rescue breath.
b. Visible rise of the chest with each rescue breath.
c. Complete compression of the ventilation bag.
d. Air leaking around the ventilation mask.
B
Visible rise of the chest with each rescue breath.
- What is the compression-ventilation ratio for the 2-rescuer infant CPR?
a. 5:1
b. 15:2
c. 20:2
d. 30:2
B
15:2
- What is the preferred technique for providing chest compression during 2-rescuer CPR fan an infant?
a. The 2 thumb-encircling hands technique.
b. The 2-finger technique.
c. The 1 hand technique.
d. The 2 hand technique.
A
The 2 thumb-encircling hands technique.
- What is the best action to relieve sever choking gin a responsive infant?
a. Kneel behind the infant and perform abdominal thrusts (perform the Heimlich maneuver).
b. Give 2 breaths, repositioning the airway after each breath.
c. Begin cycles of 5 back slaps, following by 5 chest thrusts.
d. Start CPR immediately.
D
Begin cycles of 5 back slaps, following by 5 chest thrusts.