AHA BLS 2024/ 2025 Exam Questions and Verified Answers| 100% Correct| Grade A (Latest Update)

AHA BLS 2024/ 2025 Exam Questions and Verified Answers| 100% Correct| Grade A (Latest Update)

AHA BLS 2024/ 2025 Exam Questions and
Verified Answers| 100% Correct| Grade A
(Latest Update)
Q: How deep should the rescuer compress on the adult victims chest when delivering chest
compressions?
Answer:
at least 2 inches (5cm), 1/3 the chest depth
Q: How fast should chest compressions be delivered?
Answer:
at least 100 compressions per minute
Q: What must the rescuer allow the chest to do between each compression?
Answer:
reach complete chest recoil between each compression
Q: What is the compression – ventilation ratio for 1 and 2 rescuer CPR for an adult?
Answer:
30:2
Q: What is the first thing the rescuer should do when the AED arrives?

Answer:
Turn it on
Q: After the AED delivers a shock what should the rescuer do?
Answer:
Resume CPR beginning with chest compressions.
Q: When there are 2 rescuers how often should the switch places?
Answer:
-When there is not an AED available: every 5 cycles of CPR
-When the AED is available: every time the AED reanalyzes the cardiac rhythm.
Q: Wha is the compression – ventilation ratio when an advanced airway is used?
Answer:
compressions at a rate of at least 100 per minute without pauses and 1 breath every 6 to 8
seconds
Q: What is the compression – ventilation ratio for 1 rescuer infant CPR?
Answer:
30:2
Q: What is the compression – ventilation ratio for 2 rescuer CPR in an infant?
Answer:
15:2
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Within how many seconds should you start compressions after recognition of cardiac arrest?
10 seconds

What is the first thing the rescuer should do upon finding a victim?
Make sure the scene is safe

How long should the assessment of any unresponsive person be before CPR is started?
Less than 10 seconds

When an adult is in respiratory arrest how often should the rescuer deliver rescue breaths?
The rescuer should deliver one breath every 5 to 6 seconds.

How often should the rescuer deliver ventilations to an adult victim in respiratory arrest that has an artificial airway in place, such as an endotracheal tube?
The rescuer should deliver one breath every 6 to 8 seconds.

How often should an infant or child in respiratory arrest receive a ventilation?
The rescuer should deliver one breath every 3 to 5 seconds.

If no pocket mask or protective devices are available how should the rescuer provide ventilations to the victim?
Head tilt chin lift to open the airway and then pinch the nose closed and seal your mouth over the victim’s mouth to provide the rescue breaths.

How deep should the rescuer compress on the adult victims chest when delivering chest compressions?
at least 2 inches (5cm), 1/3 the chest depth

How fast should chest compressions be delivered?
at least 100 compressions per minute

What must the rescuer allow the chest to do between each compression?
reach complete chest recoil between each compression

What is the compression – ventilation ratio for 1 and 2 rescuer CPR for an adult?
30:2

We have an expert-written solution to this problem!
What is the first thing the rescuer should do when the AED arrives?
Turn it on

After the AED delivers a shock what should the rescuer do?
Resume CPR beginning with chest compressions.

When there are 2 rescuers how often should the switch places?
-When there is not an AED available: every 5 cycles of CPR
-When the AED is available: every time the AED reanalyzes the cardiac rhythm.

Wha is the compression – ventilation ratio when an advanced airway is used?
compressions at a rate of at least 100 per minute without pauses and 1 breath every 6 to 8 seconds

What is the compression – ventilation ratio for 1 rescuer infant CPR?
30:2

What is the compression – ventilation ratio for 2 rescuer CPR in an infant?
15:2

Regarding infants, list the AED types from most preferred to least preferred
manual defibrillator, AED with pediatric dose attenuator, AED without attenuator

When placing AED pads on an infant, what must you be sure not to do?
ensure the pads do not overlap

How deep should the rescuer compress the infant’s chest when providing chest compressions?
at least 1.5 inches (4cm), 1/3 the chest depth

What should be avoided when giving breaths?
excessive ventilation

How can a rescuer ensure a breath is effective?
the chest will rise

Does CPR start with breaths or compressions?
compressions

How long should you check for a pulse?
5-10 seconds

When can you use a bag mask during CPR?
when 2 or more rescuers are performing CPR

How long of a period should each breath be delivered over?
1 second

When doing chest compressions, how should you count?
out loud

How long do you have to switch roles during 2 or more person CPR?
less than 5 seconds

When a second rescuer arrives on scene and CPR is already being conducted, what role does the second rescuer take?
opens airway and gives breaths

What are the steps to operating an AED?
Step 1: Open/turn on AED
Step 2: Attach pads
Step 3: If shock is needed clear area prior to activating shock

At what age do adults start in regards to using an AED?
8 years and older

What are some indicators puberty?
hair growth in the chest and armpits of boys; any breast development in girls

What is the age range in regards to child CPR?
1-puberty

What is the age range in regards to infant CPR?
0-1 years

How many hands must you use for child CPR?
1 or 2

How deep should the rescuer compress on a child victims chest when delivering chest compressions?
at least 2 inches (5cm), 1/3 the chest depth

What is the compression – ventilation ratio for 2 rescuer CPR in a child?
15:2

During child CPR or infant CPR, what must a single rescuer do prior to activating the emergency response system if the cardiac arrest was not witnessed?
perform 5 cycles of compression – breaths

How and in what location are the compressions given to an infant during single person CPR?
2 fingers at the center of the chest just below the nipple line

How and in what location are the compressions given to an infant during two person CPR?
two thumbs encircling hand technique at the lower half of the center of the chest

In order to start rescue breathing on an adult, what must and must not be present?
A pulse and difficulty or no breathing

In order to start rescue breathing on an infant, what must and must not be present?
A pulse of at least 60 bpm and difficulty or no breathing

How often should a breath be given when rescue breathing on an adult?
every 5-6 seconds (10-12 a minute)

How often should a breath be given when rescue breathing on an infant?
every 3-5 seconds (12-20 a minute)

How often should a breath be given when rescue breathing on a child?
every 3-5 seconds (12-20 a minute)

During rescue breathing, when should you check for a pulse?
After 2 minutes

If an infant is choking, how do you clear the obstruction?
perform 5 back blows then 5 chest thrusts, repeat until object dislodges or child becomes unresponsive

When should you preform a blind finger sweep on a choking infant?
never

When attempting to clear an obstruction from a choking infant, when should you call for help?
when the child becomes unresponsive

How should your hands be positioned when performing chest thrusts on a conscious choking adult?
in a fist, just above the naval

How should your hands be positioned when performing abdominal thrusts on a conscious choking adult who is pregnant or obese?
in a fist, in the middle of the breast bone

How should you open the airway of a victim if no trauma is suspected?
head tilt chin lift