(solutions) AHA BLS Certification Test 2023.

where is the carotid pulse located?
In the grove between the trachea and sternoclastoid muscle

Where is the brachial pulse located?
On the medical side (inside) of the upper arm, between the elbow and shoulder

when performing 2-rescuer CPR what it the compression to ventilation ratio?
15:2

when should the two thumb encircling hands technique be used?
When performing compressions

What is the depth of compressions?
1/3 depth of the chest

What is The compression to ventilation ratio for one rescuer child infant CPR?
30:2

What happens when a second rescuer arrives to a one rescuer child infant CPR?
The ratio become 15:2

What should the compression rate be for all CPR patients?
At least 100/minute

How is gastric inflation caused?
It is caused when air enters the victim stomach during bag mask ventilation it is caused by breaths given to quickly or with too much force

What techniques can be used when performing one rescuer CPR to provide breaths?
Mouth-to-mouth mouth to mask
mouth to barrier device

When performing two rescuer CPR what device is recommended for providing breaths to victim?
A bag mask device

What maneuver should be used to open the airway of an unconscious patient?
The head tilt chin lift maneuver

If you suspect cervical spine injury what maneuver should be used to open the airway?
Modified jaw thrust maneuver

Is a rescue breath effective?
A rescue breath is effective for a patient of any age if it causes the chest to rise

How long should interruptions in chest compressions be limited to?
No more than 10 seconds

What is the only reason to move an adult CPR victim?
The only reason to move an adult CPR victim is if they are in a dangerous environment?

Who is CPR required for?
CPR is required for victims if they are unresponsive have no normal breathing and no pulse.

What is the first step once an AED arrives on the scene?
The first step is to turn it on

Why are chest compressions important?
Chest compressions are important because the compressions pump blood to the rest of the body

When should the CPR compressor switch roles?
After every five cycles of compressions and breath?

What will the first rescuer provide during two rescuer CPR?
Chest compressions

What will the second rescuer do during the two rescuer CPR?
The second rescuer is to maintain an open airway and give breaths.

What is the compression ventilation ratio for two rescuer adult CPR?
30 to 2

What do we allow the chest to do when performing CPR?
When performing CPR we allow the chest to recoil to allow the heart to refill with blood between compressions

What may be used if a child under eight years of age need an AED?
The adult pads may be used if the pediatric pads attenuator are not available.

What is the appropriate care if a conscious infant is severely choking?
The appropriate care is to provide five chest thrusts and five backslaps repeatedly until the object pops out or the infant fall unconscious

When should a shock from the AED be delivered?
Shock from the AED should be delivered on the after the AED advises a
•shock
•charges
•states a “clear the victim” message
•prompts me to push the shock button

What is the order of actions to be taken when there is a victim who may need your help?
check scene, check responsiveness, call for help & call 911, and get the AED if alone

What are the signs that a victim needs CPR?
no breathing or abnormal breathing, unresponsivess, no pulse

What is the best way to open the airway of an unresponsive victim that you don’t suspect has a neck injury?
head-tilt chin lift

What is the maximum amount of time you should take to check for a pulse?
no more than 10

When is it appropriate to move an adult victim who needs CPR?
when they’re laying in the water, if the environment is or becomes dangerous, or if you can’t effectively perform CPR in the area

Interruptions in chest compressions should be limited to how many seconds?
less than 10

How does complete chest recoil contribute to effective CPR?
it allows the heart to refill with blood

To reduce fatigue during CPR, how often should compressors switch roles?
every 5 sets of 30:2 breaths, every 2 minutes, or when the AED tells you to analyze the heart rhythm

Why are chest compressions important?
it keeps blood flowing

When should you deliver a sock from the AED?
when it tells you to

What is the best way to handle choking in a responsive adult?
abdonimal thrusts

What should you do if a choking adult becomes unresponsive while you are doing abdominal thrusts?
lat them down and begin CPR

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

Where is the brachial pulse located?
the inside of the upper arm

When is the only time a bag-mask should be used on a victim who needs breaths?
when there are only two rescuers

What are the required depths of compressions for adults, children and infants?
adults: at least 2 inches
children: 1/3 of chest depth or around 2 inches
infants: 1/3 of chest depth or 1 1/2 inches

What do you do if a child has a pulse but is not breathing?
give breaths, one breath every 3-5 seconds (rescue breaths)

What is the compression-ventilation ratio for one rescuer adult, child, and infant CPR?
30:2

Why is it important to compress the chest to the appropriate depth during CPR?
to provide enough blood flow

What is the recommended rate of compressions for victims of all ages?
100-120 per minute

What is the recommendation for preventing gastric inflamation during bag-mask ventilation? During breaths using a mask or face shield?
don’t breath too forcefully, too much, or too hard; give air just until the chest rices

What are the guidelines for using an AED on a child?
use the AED as soon as it is available, use adult pads, and place them according to the images

What are the roles of each of the rescuers during 2-rescuer CPR?
rescuer one accesses the victim and starts CPR, and rescuer two gets the AED and does bag mask breaths

What are the steps for using an AED?
turn it on and follow the instructions

What is the correct hand placement when providing compressions on an adult?
the heel of the hand on center of the breastbone, middle of the nipple line

What should you do after the AED delivers a shock?
resume compressions

What is the compression-ventilation ratio for 2-rescuer adult, child, and infant CPR?
30:2 for children and adults, 15:2 for infants

What is the recommended rate of breaths when a child has a pulse?
one breath every 3-5 seconds

How should you provide chest compressions to an infant during 2-rescuer CPR?
the two-thumbs encircling technique

What is the sequence of steps for an infant who is choking? Child? Adult?
infant: five back slaps, then five chest compressions
child & adult: chest compressions

When attempting to use an AED, what procedures should be followed if the victim has: a very hairy chest, b. Is submerged in water c. is lying in a small puddle or snow, d. Has a wet chest, e. Has an implanted pacemaker, f. Has a transdermal medicine patch?
a. shave or rip the hair with pad
b. take them out of water
c. leave them there
d wipe it
e. go above it
f. take it off with gloves

How can rescuers ensure they are providing effective breaths with a bag mask device? With a pocket mask or face shield?
by looking at chest rise

Which duty is most important to alternate to support a team approach with three rescuers?
compressions

What are the components of positive team dynamics?
knowing your role, knowing your limits, and having proper communication

What is the first course of action when a victim with a blocked airway becomes unresponsive?
start CPR

Why is defibrillation important?
to get the heart beating back to a normal rhythm

What modification should you incorporate when performing CPR on an unresponsive choking victim?
look for whatever is blocking the airway before compressions, and sweeping it out with your finger if you can

How do you relieve an airway obstruction in a responsive, choking victim?
lay them down, start doing back slaps, then do chest compressions

Why is it important to allow complete chest recoil when giving chest compressions?
so that the heart can refill with blood

When should rescuers switch positions during CPR?
when the AED analyzes the heart rhythm, or after 5 cycles of CPR (around 2 minutes)

What should you do for an unresponsive adult, who has no pulse and is only gasping?
begin CPR

  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
    A

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  1. As soon as an AED becomes available, which of the following is the first step the rescuer should perform 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
    C
  2. 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
    B
  3. The 2010 AHA Guidelines for CPR and ECC recommend that to identify cardiac arrest in an unresponsive victim with no breathing (or no normal breathing), a healthcare provider should check a pulse for no more than
    a. 25 seconds
    b. 10 seconds
    c. 15 seconds
    d. 20 seconds
    B
  4. 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
    B
  5. 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
    C
  6. 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
    A
  7. The depth of compressions for an adult victim should be at least
    a. 1 inch
    b. 2 inches
    c. 3 inches
    d. 4 inches
    B
  8. Why is it important to compress to the appropriate depth during CPR?
    a. Adequate depth of compression is needed to create blood flow during compressions
    b. Adequate depth of compression is needed to create air flow into the lungs and adequate oxygenation
    c. Adequate depth of compression is needed to prolong asystole
    d. Adequate depth of compression is needed to stimulate spontaneous respirations
    A
  9. The recommended rate for performing chest compressions for victims of all ages is
    a. At least 40 compressions per minute
    b. At least 60 compressions per minute
    c. At least 80 compressions per minute
    d. At least 100 compressions per minute
    D
  10. The compression-to-ventilation ratio for 1-rescuer adult CPR is
    a. 30:2
    b. 5:1
    c. 20:2
    d. 15:2
    A
  11. After the airway is opened, which of the following correctly states the proper technique for delivering mouth-to-mouth ventilation?
    a. The rescuer opens the airway, seals their mouth over the victim’s mouth, pinches the victim’s nose closed, and gives 2 breaths while watching for the chest to rise
    b. The rescuer opens the airway, seals their mouth over the victim’s mouth, and gives several small puffs while trying to avoid making the chest rise
    c. The rescuer opens the airway, seals their mouth over the victim’s mouth, and gives 1 slow breath for a duration of 5 seconds
    d. The rescuer opens the airway, seals their mouth over the victim’s mouth, and gives 5 slow breaths, each with a duration of 2 seconds, while watching for the chest to rise
    A
  12. The rescuer knows the rescue breath for in infant victim is effective when
    a. The stomach visibly rises
    b. The chest rises visibly
    c. The child ventilation bag is completely compressed
    d. The rescuer can hear an air leak around the mask
    B
  13. Which of the following ventilation devices/techniques is not recommended for a single rescuer to provide breaths during CPR?
    a. Bag-mask device
    b. Mouth-to-barrier device technique
    c. Mouth-to-mouth technique
    d. Mouth-to-mask technique
    A
  14. During bag-mask ventilation, which of the following is recommended to minimize the risk of gastric inflation?
    a. Give breaths as quickly as you can
    b. Give each breath over as long a time as you can (several seconds)
    c. Give the largest breaths that you can
    d. Give a breath just until you see the chest rise
    D
  15. When a child has a pulse rate greater than 60 per minute, but is not breathing effectively, the rescuer should
    a. Give breaths and compressions
    b. Give breaths without compressions
    c. Give chest compressions without breaths
    d. Connect the AED to the child and analyze
    B
  16. When administering breaths by using a bag-mask device for a child who is not breathing but does have a pulse, the rescuer should
    a. Squeeze the bag as often as possible
    b. Give breaths at the rate of 1 breath every 3 to 5 seconds
    c. Position the child on their stomach
    d. Avoid performing a head tilt
    B
  17. In 2-rescuer CPR, while the first rescuer begins chest compressions, the second rescuer should
    a. Count compressions out loud
    b. Check for a pulse during compressions
    c. Do nothing until the first rescuer needs relief
    d. Maintain an open airway and give ventilations
    D
  18. Which of the following options lists the correct compression and ventilation rates for 2-rescuer CPR in the presence of an advanced airway?
    a. Compress at a rate of at least 100 per minute, 1 breath every 6 – 8 seconds
    b. Compress at a rate of at least 60 per minute, 1 breath every 6 – 8 seconds
    c. Compress at a rate of at least 100 per minute, 2 breaths every 5-10 seconds
    d. Compress at a rate of at least 60 per minute, 1 breath every 5-10 seconds
    A
  19. The compression-to-breaths ratio for 2-rescuer child CPR is
    a. 30:2
    b. 5:1
    c. 20:2
    d. 15:2
    D
  20. The compression-to-breaths ratio for 2-rescuer infant CPR is
    a. 30:2
    b. 5:1
    c. 20:2
    d. 15:2
    D
  21. If a victim of foreign body airway obstruction becomes unresponsive, the rescuer should send someone to activate the emergency response system and immediately
    a. Perform abdominal thrusts
    b. Perform blind finger sweeps
    c. Start CPR beginning with compressions
    d. Call the victim’s doctor
    C

If an unresponsive infant is not breathing and has a heart rate of 53 beats per minute and signs of poor perfusion despite oxygenation and ventilation with a bag and mask, which of the following should you perform?
a. One rescue breath every 10 seconds
b. Cycles of back blows and chest thrusts
c. Chest compressions without breaths
d. Both chest compressions and breaths
D

  1. The recommended depth of compressions for an infant is
    a. At least one fourth the depth of the chest, approximately 1 inch
    b. At least one third the depth of the chest, approximately 1.5 inches
    c. At least one half the depth of the chest, approximately 2 inches
    d. At least two thirds the depth of the chest, approximately 3 inches
    B
  2. The 2 thumb-encircling hands technique for the infant
    a. Produces less blood flow than the 2-finger technique
    b. Is the preferred chest compression technique for 2-rescuer CPR
    c. Is the preferred chest compression technique for 1-rescuer CPR
    d. Generates less blood pressure than the 2-finger technique
    B

In which locations do most out-of-hospital cardiac arrests occur?
a. healthcare clinics
b. homes
c. recreational facilities
d. shopping centers
B

Which is the most common cause of cardiac arrest in children?
a. cardiac problem
b. congenital or acquired heart disease
c. respiratory failure or shock
d. infection and sepsis
C

What is the third link in the adult out-of-hospital chain of survival?
a. Advanced life support
b. High-quality CPR
c. prevention
d. rapid defibrillation
D

Which statement best describes sudden cardiac arrest?
a. when respiratory distress in adults occurs and the heart rate does not change
b. when the heart rate is 40-60/min and respirations increase
c. when blood flow to the heart is blocked and the heart rate increases
d. when an abnormal rhythm develops and the heart stops beating unexpectedly
D

Scenario: 53-year old man suddenly collapses and becomes unresponsive. You witness him collapse and are the first rescuer to arrive at the scene. You find him lying motionless on the floor.

What is the first action you should take in this situation?
a. activate the emergency response system
b. start high-quality CPR beginning with chest compressions
c. start providing rescue breaths
d. verify that the scene is safe for you and the victim
D

Scenario: 53-year old man suddenly collapses and becomes unresponsive. You witness him collapse and are the first rescuer to arrive at the scene. You find him lying motionless on the floor.

The man doesnt respond when you touch his shoulders and shout, “are you okay?” What is your best next action?
a. check his pulse
b. start high-quality cpr
c. start providing rescue breaths
d. shout for nearby help
D

Several rescuers respond and you ask them to activate the emergency response and retrieve the AED and emergency equipment. As you check for a pulse and breathing, you notice that the man is gasping for air and making snorting sounds. You do not feel a pulse. What is the next best action?
a. Start high-quality cpr, beginning with chest compressions
b. monitor the victim until additional, more experienced help arrives
c. provide rescue breathing by delivering 1 breath every 5-6 seconds
d. find someone to help by retrieving the nearest AED
A

What is the ratio of chest compressions to breaths when providing cpr to an adult?
a. 10 compressions to 2 breaths
b. 15 compressions to 2 breaths
c. 30 compressions to 2 breaths
d. 100 compressions to 2 breaths
C

What are the rate and depth of chest compressions on an adult?
a, rate of 60-80 compressions per minute and depth of about 1 inch
b. rate of 80-100 compressions per minute and depth of about 1.5 inches
c. rate of 120-140 compressions per minute and depth of about 2.5 inches
d. rate of 100-120 compressions per minute and depth of at least 2 inches
D

What action should you take when more rescuers arrive?
a. Assign tasks to other rescuers and rotate compressions every 2 minutes or more frequently if needed to avoid fatigued
b. Continue cpr while the aed is attached even if you are fatigued
c. wait for the most experienced rescuer to provide direction to the team
d. direct the team to assign a team leader and toles while you continue cpr
A

If you suspect that and unresponsive has head or neck trauma what is preffered method to opening the airway?
A. head-tilt, chin-lift
B. jaw thrust
C. head tilt-neck lift
D. avoid opening the airway
B

What is the most appropriate first step to take as soon as the AED arrives at the victim’s side?
a power on the aed
b. apply the pads
c. press the analyze button
d. press the shock button
A

Which step is one of universal steps for operating an AED?
a. placing pads on victims bare chest
b. shaving victims hairy chest
c. removing victim from water
d. finding victims implanted pacemaker
A

If a victim of cardiac arrest has an implanted pacemaker or defib, what special steps should be taken?
a. avoid placing the aed pad directly over the implanted device
b. avoid using the aed to prevent damage to the implanted device
c. turn off the implanted device before applying the aed pads
d. consider using pediatric pads to decrease the shock dose delivered
A

What action should you take when the aed is analyzing the heart rhythm?
a. Check the pulse
b. continue the chest compressions
c. give rescue breaths only
d. stand clear of the victim
D

After performing high-quality cpr for 5 minutes, team leader frequently interrupts chest compressions to check for a pulse even though the victim has no organized rhythm when aed analyzes the rhythm/ Which action demonstrates constructive intervention?
a. ask another rescuer what he thinks should be done
b. say nothing that contradicts the team leader
c. suggest to resume chest compressions without delay
d. wait until the debriefing session afterward to discuss is
C

The team leader asks you to perform bag-mask ventilation during resuscitation attempt, but you have not perfected that skill. What would be an appropriate action to acknowledge your limitations?
a. pick up the bag-mask device and give it to another team member
b. pretend you did not hear the request and hope the team leader chooses someone else to do it
c. tell the team leader that you are not comfortable performing that task
d. try to do it as best as you can and hope another team member will see you struggling and take over
c

what is the appropriate action to demonstrate closed-loop communication when the team leader assigns you a task?
A. repeat back to the team leader the task you were assigned
b. nod your head as an acknowledgment of the assigned task
c. start performing the assigned tasks, but do not speak, to minimize noise
d. wait for the team leader to address you by name before acknowledging the taks
A

What is the correct compression-to-ventilation ratio for a single rescuer of a 3-year old child?
a. 15:1
b. 15:2
c. 20:2
d. 30:2
D

What is the correct compression to ventilation ratio for a 7 year old child when 2 or more rescuers are present?
a. 15:1
b. 15:2
c. 20:2
d. 30:2
B

For what age victims is the thumb-encircling technique recommended when 2 or more rescuers present?
a. a child younger than 3 years
b. a child older than 3 years
c. an infant older than 1 year
d. an infant younger than 1 year
D

What is correct chest compression depth for a child?
a. at least 1/4 of depth, about 1 inch
b. at least 1/3 of depth, about 1.5 inches
c. at least 1/3 of depth, about 2 inches
d. at least 1/2 of depth, about 3 inches
C

what is correct chest compression depth for an infant?
a. at least 1/4 of depth or 1 inch
b. at least 1/3 of depth or 1.5 inches
c. at least 1/3 of depth or about 2 inches
d. at least 1/2 or at least 2.5 inches
B

What should you do when using an AED on an infant or a child less than 8 years of age
a. never use adult aed pads
b. use adult aed pads
c. use adult aed pads if aed does not have child pads
d. use adult aed pads but cut in half
C

If manual defib is not available for infant victim what action should you take?
a. perform high-quality cpr
b. use a aed equipped with pediatric dose attenuator
c. use an aed without a pediatric dose attenuator
d. wait for advanced care to arrive
B

What is important to remember about placing aed pad on infants?
a. ensure pads overlap
b. place 1 adult pad on the chest
c. place 1 pad on chest and one on back
d. if child pads not available do not use aed
C

which victim would need only rescue breathing?
a. agonal gasping with no pulse
b. breathing with weak pulse
c. no breathing and a pulse
d. no breathing and no pulse
C

How often should rescue breaths be given in infants and children when pulse is present?
a. 1 breath 2-3 seconds
b. 1 breath 3-5 seconds
c. 1 breath 5-6 seconds
d. 1 breath 8-10 seconds
B

Which action can rescuers perform to potentially reduce risk of gastric inflation?
a. delivering each breath over 1 second
b. giving rapid, shallow breaths
c. using bvm to deliver ventilation
d. using mouth to mouth breathing
A

Which is preferred method for giving rescue breaths to infant?
a. mouth to mouth
b. mouth to mouth and nose
c. mouth to nose
d. any method
B

What is not an example of an opioid?
a. heroin
b. hydrocodone
c. morphine
d. naloxone
D

your 27-year old roommate uses opiods. You find him unresponsive with no breathing, but a strong pulse. You suspect an opioid associated life threatening emergency. a friend is phoning 9-1-1 and is looking for naloxone autoinjector. what action should you take?
a. remain with your roommate until naloxone arrives and administer it
b. begin cpr, starting with chest compressions
c. provide rescue breathing, 1 breath 5-6 seconds
d. provide rapid defib with an aed
C

You encounter an unresponsive 56 year old man who has been taking hydrocodone after a surgical procedure. He is not breathing and has no pulse. You notice that his medication bottle is empty and suspect an opiod-associated life threat emergency. A colleague activates the emergency response system and is retriving aed and naloxone. What is most appropriate action?
a. wait for naloxone to arrive
b. begin cpr
c. provide 1 rescue breathe every 5-6 seconds until naloxone arrives
d. provide rapid defib with aed
B

which is an example of a mild foreign body airway obstruction?
a. cyanosis
b. high-pitched noise while inhaling
c. inability to speak or cry
d. wheezing between coughs
D

Which victim of a severe airway obstruction should receive abdominal thrusts?
a. average size 27 year old man
b. woman who is pregnant
c. obese 50 year old
d. average size 9 month old infant
A

You are performing abdominal thrusts on a 9 year old when he suddenly becomes unresponsive. You shout for help, what is most appropriate action?
a. begin cpr with chest compressions
b. check for pulse
c. continue performing abdominal thrusts
d. provide 5 back slaps followed by 5 chest thrusts
A

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