BLS EXAM (25 questions) Actual Questions
and Verified Answers A+ GRADE
COMPLETE
1. What ratio of compressions to breaths should be used for 1-rescuer infant
CPR?
A) 15:2
B) 30:2
C) 15:1
D) 30:1
Correct Answer: B) 30:2
Explanation: For a single rescuer performing infant CPR, the recommended
compression-to-breath ratio is 30:2, consistent with adult CPR protocols, to
ensure effective circulation and ventilation.
2. What should you do if you need to use an AED on someone who has been
submerged in water?
A) Use the AED immediately without drying
B) Pull the person out of water and wipe the chest dry before applying pads
C) Wait until paramedics arrive
D) Place the pads over wet skin
, Correct Answer: B) Pull the person out of water and wipe the chest dry before
applying pads
Explanation: Water can interfere with AED pad adhesion and shock delivery.
Drying the chest ensures the AED functions properly.
3. One person is performing CPR on a child, and two others arrive. What should
happen next?
A) Continue with the current rescuer until fatigue
B) Switch to rescue breathing only
C) Two rescuers should alternate giving high-quality chest compressions
D) The new rescuers should start rescue breathing
Correct Answer: C) Two rescuers should alternate giving high-quality chest
compressions
Explanation: Switching every 2 minutes prevents fatigue and maintains
compression quality, improving the child's chance of survival.
4. Two rescuers begin high-quality CPR while the third leaves to get the AED.
What action supports two-rescuer CPR?
A) Continue CPR until the AED arrives
B) Alternate the compressor role every 2 minutes
C) Stop compressions while the AED is prepared
D) Use only one rescuer for chest compressions
and Verified Answers A+ GRADE
COMPLETE
1. What ratio of compressions to breaths should be used for 1-rescuer infant
CPR?
A) 15:2
B) 30:2
C) 15:1
D) 30:1
Correct Answer: B) 30:2
Explanation: For a single rescuer performing infant CPR, the recommended
compression-to-breath ratio is 30:2, consistent with adult CPR protocols, to
ensure effective circulation and ventilation.
2. What should you do if you need to use an AED on someone who has been
submerged in water?
A) Use the AED immediately without drying
B) Pull the person out of water and wipe the chest dry before applying pads
C) Wait until paramedics arrive
D) Place the pads over wet skin
, Correct Answer: B) Pull the person out of water and wipe the chest dry before
applying pads
Explanation: Water can interfere with AED pad adhesion and shock delivery.
Drying the chest ensures the AED functions properly.
3. One person is performing CPR on a child, and two others arrive. What should
happen next?
A) Continue with the current rescuer until fatigue
B) Switch to rescue breathing only
C) Two rescuers should alternate giving high-quality chest compressions
D) The new rescuers should start rescue breathing
Correct Answer: C) Two rescuers should alternate giving high-quality chest
compressions
Explanation: Switching every 2 minutes prevents fatigue and maintains
compression quality, improving the child's chance of survival.
4. Two rescuers begin high-quality CPR while the third leaves to get the AED.
What action supports two-rescuer CPR?
A) Continue CPR until the AED arrives
B) Alternate the compressor role every 2 minutes
C) Stop compressions while the AED is prepared
D) Use only one rescuer for chest compressions
