BLS (2025-2026) QUESTIONS WITH
CORRECT ANSWERS
Compression to ventilation ratio for 1 or 2 person rescuers for adults CORRECT ANSWER
30:2 1 rescuer Compression to ventilation ratio for child and infant CORRECT ANSWER
30:2
Compression to ventilation ratio for 2 or more rescuer infant and child CPR CORRECT
ANSWER 15:2
Depth of compressions for adult CORRECT ANSWER At least 2 inches
Depth of compressions for child CORRECT ANSWER
At least 1/3 depth of the chest, about 2 inches
Depth of compressions for infant CORRECT
ANSWER At least 1/3 depth of the chest, about 1.5
inches
Rate of compressions CORRECT ANSWER 100-120 per minute
When do you call 911 for an adult victim who needs CPR? CORRECT ANSWER
If you are alone with no mobile phone, leave the victim to call 911 and get the AED before beginning
CPR. Otherwise, send someone and begin CPR immediately, use the AED as soon as it is available
When do you call 911 for a child or infant who you witnessed collapse? CORRECT ANSWER
same as for the adult
When do you call 911 for a child or infant that you did not witness collapse?
CORRECT ANSWER
Give 2 minutes CPR, leave the victim and call 911 and get the AED, return to child/infant and resume
CPR and use the AED as soon as it is available
Hand placement for compressions on an adult CORRECT ANSWER
2 hands on the lower half of the breastbone but not over the xyphoid process
Hand placement for compressions on a child CORRECT ANSWER
2 hands or 1 hand (optional for very small child) on the lower half of the breastbone (sternum) but not
over the xyphoid process
Hand placement for compressions for 1 person infant CPR CORRECT ANSWER 1
Rescuer - 2 fingers or 2 thumbs in the center of the chest, just below the nipple line
Hand placement for compressions for 2 person infant CPR CORRECT ANSWER 2 thumb-
encircling hands in the center of the chest, just below the nipple line
CORRECT ANSWERS
Compression to ventilation ratio for 1 or 2 person rescuers for adults CORRECT ANSWER
30:2 1 rescuer Compression to ventilation ratio for child and infant CORRECT ANSWER
30:2
Compression to ventilation ratio for 2 or more rescuer infant and child CPR CORRECT
ANSWER 15:2
Depth of compressions for adult CORRECT ANSWER At least 2 inches
Depth of compressions for child CORRECT ANSWER
At least 1/3 depth of the chest, about 2 inches
Depth of compressions for infant CORRECT
ANSWER At least 1/3 depth of the chest, about 1.5
inches
Rate of compressions CORRECT ANSWER 100-120 per minute
When do you call 911 for an adult victim who needs CPR? CORRECT ANSWER
If you are alone with no mobile phone, leave the victim to call 911 and get the AED before beginning
CPR. Otherwise, send someone and begin CPR immediately, use the AED as soon as it is available
When do you call 911 for a child or infant who you witnessed collapse? CORRECT ANSWER
same as for the adult
When do you call 911 for a child or infant that you did not witness collapse?
CORRECT ANSWER
Give 2 minutes CPR, leave the victim and call 911 and get the AED, return to child/infant and resume
CPR and use the AED as soon as it is available
Hand placement for compressions on an adult CORRECT ANSWER
2 hands on the lower half of the breastbone but not over the xyphoid process
Hand placement for compressions on a child CORRECT ANSWER
2 hands or 1 hand (optional for very small child) on the lower half of the breastbone (sternum) but not
over the xyphoid process
Hand placement for compressions for 1 person infant CPR CORRECT ANSWER 1
Rescuer - 2 fingers or 2 thumbs in the center of the chest, just below the nipple line
Hand placement for compressions for 2 person infant CPR CORRECT ANSWER 2 thumb-
encircling hands in the center of the chest, just below the nipple line
