Heartcode BLS Online Exam Questions
and Answers | Latest Version | 2025/2026
| Correct & Verified
What is the most important reason to stay calm during a cardiac emergency?
✔✔It helps you think clearly and perform CPR effectively
What should you do if the AED pads are not sticking well due to sweat?
✔✔Wipe the chest dry and reapply the pads
What is a helpful technique to avoid interrupting chest compressions during rescuer switching?
✔✔Count down aloud before the switch so compressions continue smoothly
Why is it important to expose the chest before placing AED pads?
✔✔To ensure proper contact with the skin and accurate rhythm analysis
What should you do if the person vomits during CPR?
✔✔Quickly turn them to the side, clear the airway, then resume compressions
1
,What can happen if compressions are too fast?
✔✔The heart doesn't have time to refill with blood, reducing effectiveness
What is the best way to confirm the airway is open in an unconscious adult?
✔✔Check for visible chest rise during rescue breaths
What action should you take if someone becomes unresponsive while eating and you’re unsure if
they’re choking?
✔✔Start CPR and check the airway after each set of compressions
Why do rescuers count out loud during compressions?
✔✔It helps maintain rhythm and coordinate with the team
What should you do if the AED says “shock advised” but you see the person moving slightly?
✔✔Stand clear and allow the AED to deliver the shock
What is the ideal position for delivering chest compressions on a soft surface like a bed?
✔✔Move the person to a firm, flat surface or place a backboard under them
2
,What is one advantage of using a barrier device during rescue breathing?
✔✔It reduces risk of disease transmission
What should you do after performing CPR and the person starts to breathe but remains
unresponsive?
✔✔Place them in the recovery position and monitor their breathing
How can you ensure equal breaths are delivered during rescue breathing?
✔✔Give each breath slowly and watch for the same chest rise
What should you do if you’re alone, see someone collapse, and don’t have a phone?
✔✔Leave to call for help after 2 minutes of CPR
What is one reason a chest might not rise even with a proper head tilt?
✔✔There may be an obstruction in the airway
Why is it important to avoid leaning on the chest between compressions?
3
, ✔✔It prevents the heart from refilling with blood
What is the recommended technique for opening the airway in a person with a suspected neck
injury?
✔✔Use the jaw-thrust method without tilting the head
What should you do if a responder is uncomfortable giving rescue breaths?
✔✔Encourage them to give hands-only CPR
What’s the safest way to use an AED in the rain?
✔✔Move the person to a dry area if possible and keep the AED dry
What can happen if you delay CPR to look for medical history?
✔✔The person’s chance of survival may decrease
What is one indication that CPR may be working?
✔✔The person starts to gasp or move slightly
4
and Answers | Latest Version | 2025/2026
| Correct & Verified
What is the most important reason to stay calm during a cardiac emergency?
✔✔It helps you think clearly and perform CPR effectively
What should you do if the AED pads are not sticking well due to sweat?
✔✔Wipe the chest dry and reapply the pads
What is a helpful technique to avoid interrupting chest compressions during rescuer switching?
✔✔Count down aloud before the switch so compressions continue smoothly
Why is it important to expose the chest before placing AED pads?
✔✔To ensure proper contact with the skin and accurate rhythm analysis
What should you do if the person vomits during CPR?
✔✔Quickly turn them to the side, clear the airway, then resume compressions
1
,What can happen if compressions are too fast?
✔✔The heart doesn't have time to refill with blood, reducing effectiveness
What is the best way to confirm the airway is open in an unconscious adult?
✔✔Check for visible chest rise during rescue breaths
What action should you take if someone becomes unresponsive while eating and you’re unsure if
they’re choking?
✔✔Start CPR and check the airway after each set of compressions
Why do rescuers count out loud during compressions?
✔✔It helps maintain rhythm and coordinate with the team
What should you do if the AED says “shock advised” but you see the person moving slightly?
✔✔Stand clear and allow the AED to deliver the shock
What is the ideal position for delivering chest compressions on a soft surface like a bed?
✔✔Move the person to a firm, flat surface or place a backboard under them
2
,What is one advantage of using a barrier device during rescue breathing?
✔✔It reduces risk of disease transmission
What should you do after performing CPR and the person starts to breathe but remains
unresponsive?
✔✔Place them in the recovery position and monitor their breathing
How can you ensure equal breaths are delivered during rescue breathing?
✔✔Give each breath slowly and watch for the same chest rise
What should you do if you’re alone, see someone collapse, and don’t have a phone?
✔✔Leave to call for help after 2 minutes of CPR
What is one reason a chest might not rise even with a proper head tilt?
✔✔There may be an obstruction in the airway
Why is it important to avoid leaning on the chest between compressions?
3
, ✔✔It prevents the heart from refilling with blood
What is the recommended technique for opening the airway in a person with a suspected neck
injury?
✔✔Use the jaw-thrust method without tilting the head
What should you do if a responder is uncomfortable giving rescue breaths?
✔✔Encourage them to give hands-only CPR
What’s the safest way to use an AED in the rain?
✔✔Move the person to a dry area if possible and keep the AED dry
What can happen if you delay CPR to look for medical history?
✔✔The person’s chance of survival may decrease
What is one indication that CPR may be working?
✔✔The person starts to gasp or move slightly
4
