AHA BLS EXAM REVIEW QUESTIONS
WITH CORRECT ANSWERS 2025
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 pe
rform 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 ANSWERV-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 unresp
onsive victim with no breathing (or no normal breathing), a healthcare provider should check a pulse f
or no more than
a. 25 seconds
b. 10 seconds
c. 15 seconds
d. 20 seconds - CORRECT ANSWERV-B
5. 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 ANSWERV-B
6. 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
7. 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
, 8. The L depth L of L compressions L for L an L adult L victim L should L be L at L least
a. 1 L inch
b. 2 L inches
c. 3 L inches
d. 4 L inches L - L CORRECT L ANSWER L -B
9. Why L is L it L important L to L compress L to L the L appropriate L depth L during L CPR?
a. Adequate L depth L of L compression L is L needed L to L create L blood L flow L during L compressions
b. Adequate L depth L of L compression L is L needed L to L create L air L flow L into L the L lungs L and
L adequate L oxygenation
c. Adequate L depth L of L compression L is L needed L to L prolong L asystole
d. Adequate Ldepth Lof Lcompression Lis Lneeded Lto Lstimulate Lspontaneous
Lrespirations L- LCORRECT LANSWER L-A
10. The Lrecommended L rate L for L performing L chest L compressions L for L victims L of L all L ages L is
a. At L least L 40 L compressions L per L minute
b. At L least L 60 L compressions L per L minute
c. At L least L 80 L compressions L per L minute
d. At L least L 100 L compressions L per L minute L - L CORRECT L ANSWER L -D
11. The L compression-to-ventilation L ratio L for L 1-rescuer L adult L CPR L is
a. 30:2
b. 5:1
c. 20:2
d. 15:2 L - L CORRECT L ANSWERV-A
12. After Lthe Lairway Lis Lopened, Lwhich Lof Lthe Lfollowing Lcorrectly Lstates Lthe Lproper Ltechnique
Lfor Ldeliveri L ng Lmouth-to-mouth Lventilation?
a. The Lrescuer Lopens Lthe Lairway, Lseals Ltheir Lmouth Lover Lthe Lvictim's Lmouth, Lpinches Lthe
Lvictim's Lnose Lcl L osed, Land Lgives L2 Lbreaths Lwhile Lwatching Lfor Lthe Lchest Lto Lrise
b. The L rescuer L opens L the L airway, L seals L their Lmouth L over L the L victim's Lmouth, L and Lgives
L several L small L puf Lfs Lwhile Ltrying Lto Lavoid Lmaking Lthe Lchest Lrise
c. The L rescuer L opens L the L airway, L seals L their L mouth L over L the L victim's L mouth, L and L gives L 1
L slow L breath L for La Lduration Lof L5 Lseconds
d. The Lrescuer Lopens Lthe Lairway, Lseals Ltheir Lmouth Lover Lthe Lvictim's Lmouth, Land Lgives L5
Lslow Lbreaths, Le L ach L with L a L duration L of L 2 L seconds, L while L watching L for L the L chest L to
L rise L - L CORRECT L ANSWER L -A
13. The L rescuer L knows L the L rescue L breath L for L in L infant L victim L is L effective L when
a. The L stomach L visibly L rises
b. The L chest L rises L visibly
c. The L child L ventilation L bag L is L completely L compressed
d. The L rescuer L can L hear L an L air L leak L around L the L mask L - L CORRECT L ANSWER L -B
14. Which Lof Lthe Lfollowing Lventilation Ldevices/techniques Lis Lnot Lrecommended Lfor La Lsingle
Lrescuer Lto Lp Lrovide Lbreaths Lduring LCPR?
a. Bag-mask Ldevice
b. Mouth-to-barrier L device Ltechnique
c. Mouth-to-mouth Ltechnique
d. Mouth-to-mask L technique L - L CORRECT L ANSWER L -A
15. During L bag-
mask L ventilation, L which L of L the L following L is L recommended L to L minimize L the L risk L of L gastric
L inflation?
WITH CORRECT ANSWERS 2025
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 pe
rform 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 ANSWERV-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 unresp
onsive victim with no breathing (or no normal breathing), a healthcare provider should check a pulse f
or no more than
a. 25 seconds
b. 10 seconds
c. 15 seconds
d. 20 seconds - CORRECT ANSWERV-B
5. 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 ANSWERV-B
6. 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
7. 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
, 8. The L depth L of L compressions L for L an L adult L victim L should L be L at L least
a. 1 L inch
b. 2 L inches
c. 3 L inches
d. 4 L inches L - L CORRECT L ANSWER L -B
9. Why L is L it L important L to L compress L to L the L appropriate L depth L during L CPR?
a. Adequate L depth L of L compression L is L needed L to L create L blood L flow L during L compressions
b. Adequate L depth L of L compression L is L needed L to L create L air L flow L into L the L lungs L and
L adequate L oxygenation
c. Adequate L depth L of L compression L is L needed L to L prolong L asystole
d. Adequate Ldepth Lof Lcompression Lis Lneeded Lto Lstimulate Lspontaneous
Lrespirations L- LCORRECT LANSWER L-A
10. The Lrecommended L rate L for L performing L chest L compressions L for L victims L of L all L ages L is
a. At L least L 40 L compressions L per L minute
b. At L least L 60 L compressions L per L minute
c. At L least L 80 L compressions L per L minute
d. At L least L 100 L compressions L per L minute L - L CORRECT L ANSWER L -D
11. The L compression-to-ventilation L ratio L for L 1-rescuer L adult L CPR L is
a. 30:2
b. 5:1
c. 20:2
d. 15:2 L - L CORRECT L ANSWERV-A
12. After Lthe Lairway Lis Lopened, Lwhich Lof Lthe Lfollowing Lcorrectly Lstates Lthe Lproper Ltechnique
Lfor Ldeliveri L ng Lmouth-to-mouth Lventilation?
a. The Lrescuer Lopens Lthe Lairway, Lseals Ltheir Lmouth Lover Lthe Lvictim's Lmouth, Lpinches Lthe
Lvictim's Lnose Lcl L osed, Land Lgives L2 Lbreaths Lwhile Lwatching Lfor Lthe Lchest Lto Lrise
b. The L rescuer L opens L the L airway, L seals L their Lmouth L over L the L victim's Lmouth, L and Lgives
L several L small L puf Lfs Lwhile Ltrying Lto Lavoid Lmaking Lthe Lchest Lrise
c. The L rescuer L opens L the L airway, L seals L their L mouth L over L the L victim's L mouth, L and L gives L 1
L slow L breath L for La Lduration Lof L5 Lseconds
d. The Lrescuer Lopens Lthe Lairway, Lseals Ltheir Lmouth Lover Lthe Lvictim's Lmouth, Land Lgives L5
Lslow Lbreaths, Le L ach L with L a L duration L of L 2 L seconds, L while L watching L for L the L chest L to
L rise L - L CORRECT L ANSWER L -A
13. The L rescuer L knows L the L rescue L breath L for L in L infant L victim L is L effective L when
a. The L stomach L visibly L rises
b. The L chest L rises L visibly
c. The L child L ventilation L bag L is L completely L compressed
d. The L rescuer L can L hear L an L air L leak L around L the L mask L - L CORRECT L ANSWER L -B
14. Which Lof Lthe Lfollowing Lventilation Ldevices/techniques Lis Lnot Lrecommended Lfor La Lsingle
Lrescuer Lto Lp Lrovide Lbreaths Lduring LCPR?
a. Bag-mask Ldevice
b. Mouth-to-barrier L device Ltechnique
c. Mouth-to-mouth Ltechnique
d. Mouth-to-mask L technique L - L CORRECT L ANSWER L -A
15. During L bag-
mask L ventilation, L which L of L the L following L is L recommended L to L minimize L the L risk L of L gastric
L inflation?
