BLS EXAM PREP QUESTIONS AND
VERIFIED ANSWERS WITH SOLUTIONS
2024
Within how many seconds should you start chest compression once recognizing cardiac arrest? -
ANSWER Within 10 seconds
At what rate should you compress in CPR? - ANSWER 100 to 120/min
At what depth should you compress in CPR? - ANSWER Adult - at least 2 inches (5cm)
Children - at least one thirst the depth of the chest, ~2inches
Infants - at least one third the depth of the chest ~1.5 inchest (4cm)
Where should you place your hands when performing compressions on an infant? - ANSWER 2 fingers in
center of the chest, just below the nipple line
What is the ratio of compressions to breaths? - ANSWER 30 compressions to 2 breaths unless two or
more rescuers than 15:2 compressions to breaths.
In BLS what is the next step when using an AED if patient does not have a shockable rhythm? if the
rhythm is shockable? - ANSWER Not shockable? - resume CPR for ~2 mins until prompted by AED to
allow rhythm check.
Shockable? - give 1 shock then resume CPR immediately.
What is the maximum compression depth in CPR? - ANSWER Depth should not be more than 2/4 inches
(6cm)
What rate should you provide breaths to a patient with a pulse but abnormal breathing? - ANSWER 1
breath every 3-5 seconda or about 12-20 breaths per minutes.
, For a patient found to have abnormal breathing but with a pulse, what would be an indication for
starting CPR? - ANSWER Add compressions if pulse remains <60/min with signs of poor perfusion ie cool
extremities, decreased responsiveness, weak pulses, pale, mottling, cyanosis.
How to relieve new born of FB airway obstruction? - ANSWER give up to 5 back slaps AND up to 5 chest
thrusts. repeat until effective or victim becomes unresponsive. If patient becomes unresponsive begin
CPR.
What is the first step in the BLS algorithm? - ANSWER Verify the scene is safe
What is the second step in the BLS algorithm? - ANSWER Chesk for responsiveness ("Are you ok?") if not
responsive, shout for help and activate emergency response system. Either get yourself or send someone
to get AED and emergency equipment.
What is the third step in BLS algorithm? - ANSWER look for no breathing or only gasping and chest pulse
simultaneously (should be able to do within 10 seconds)
What do you do if the victim is NOT breathing but a pulse is present? - ANSWER Rescue breathing and
check for pulse about every two minutes. If no pulse is felt during check you will need to start CPR
Ratio of compressions to breaths for a single rescuer? - ANSWER 30 compressions to 2 breaths.
What airway opening maneuver should you use if head or neck injury is suspected? - ANSWER Jaw-
thrust maneuver
Steps of the head tilt-chin lift? - ANSWER 1. place one hand on the victims forehead and push with your
palmr to tilt the head back
2. Place fingers of the other handunder the bony part of the loewr jaw near the chin
3. lift the jaw to bring the chin forward.
Over what amount of time should each breath be delivered over? - ANSWER Deliver each breath over 1
second.
VERIFIED ANSWERS WITH SOLUTIONS
2024
Within how many seconds should you start chest compression once recognizing cardiac arrest? -
ANSWER Within 10 seconds
At what rate should you compress in CPR? - ANSWER 100 to 120/min
At what depth should you compress in CPR? - ANSWER Adult - at least 2 inches (5cm)
Children - at least one thirst the depth of the chest, ~2inches
Infants - at least one third the depth of the chest ~1.5 inchest (4cm)
Where should you place your hands when performing compressions on an infant? - ANSWER 2 fingers in
center of the chest, just below the nipple line
What is the ratio of compressions to breaths? - ANSWER 30 compressions to 2 breaths unless two or
more rescuers than 15:2 compressions to breaths.
In BLS what is the next step when using an AED if patient does not have a shockable rhythm? if the
rhythm is shockable? - ANSWER Not shockable? - resume CPR for ~2 mins until prompted by AED to
allow rhythm check.
Shockable? - give 1 shock then resume CPR immediately.
What is the maximum compression depth in CPR? - ANSWER Depth should not be more than 2/4 inches
(6cm)
What rate should you provide breaths to a patient with a pulse but abnormal breathing? - ANSWER 1
breath every 3-5 seconda or about 12-20 breaths per minutes.
, For a patient found to have abnormal breathing but with a pulse, what would be an indication for
starting CPR? - ANSWER Add compressions if pulse remains <60/min with signs of poor perfusion ie cool
extremities, decreased responsiveness, weak pulses, pale, mottling, cyanosis.
How to relieve new born of FB airway obstruction? - ANSWER give up to 5 back slaps AND up to 5 chest
thrusts. repeat until effective or victim becomes unresponsive. If patient becomes unresponsive begin
CPR.
What is the first step in the BLS algorithm? - ANSWER Verify the scene is safe
What is the second step in the BLS algorithm? - ANSWER Chesk for responsiveness ("Are you ok?") if not
responsive, shout for help and activate emergency response system. Either get yourself or send someone
to get AED and emergency equipment.
What is the third step in BLS algorithm? - ANSWER look for no breathing or only gasping and chest pulse
simultaneously (should be able to do within 10 seconds)
What do you do if the victim is NOT breathing but a pulse is present? - ANSWER Rescue breathing and
check for pulse about every two minutes. If no pulse is felt during check you will need to start CPR
Ratio of compressions to breaths for a single rescuer? - ANSWER 30 compressions to 2 breaths.
What airway opening maneuver should you use if head or neck injury is suspected? - ANSWER Jaw-
thrust maneuver
Steps of the head tilt-chin lift? - ANSWER 1. place one hand on the victims forehead and push with your
palmr to tilt the head back
2. Place fingers of the other handunder the bony part of the loewr jaw near the chin
3. lift the jaw to bring the chin forward.
Over what amount of time should each breath be delivered over? - ANSWER Deliver each breath over 1
second.
