PALS AHA EXAM QUESTIONS AND 100%
CORRECT ANSWERS|LATEST 2025/2026
|VERIFIED AND ACCURATE ANSWERS
|GRADED A+
What oxygen delivery system most reliably delivers a high (90% of greater) concentration of in
B B B B B B B B B B B B B B
spired oxygen to a 7-year-old child? - ANSWER-
B B B B B B B Nonrebreathing face mask B B
You are called to help treat an infant with severe symptomatic bradycardia (heart rate 66/min)
B B B B B B B B B B B B B B
associated with respiratory distress. Bradycardia persists despite establishment of an effectiv
B B B B B B B B B B B
e airway, oxygenation, and ventilation. There is no heart block present. What first drug should
B B B B B B B B B B B B B B B
you administer? - ANSWER-
B B B *Epinephrine*
You are part of a team attempting to resuscitate a child with ventricular fibrillation cardiac arr
B B B B B B B B B B B B B B B
est. You deliver 2 unsynchronized shocks. A team member established IO access, so you give a
B B B B B B B B B B B B B B B B
dose of epinephrine, 0.01 mg/kg IO. At next rhythm check, persistent ventricular fibrillation is
B B B B B B B B B B B B B B
present. You administer a 4- B B B B
J/kg shock and resume CPR. What drug and dose should be administered next? - ANSWER-
B B B B B B B B B B B B B B
*Amiodarone 5 mg/kg IO* B B B
- can be used for shock-refractory VF or pVT
B B B B B B B B
Initial impression of a 2-year- B B B B
old girl shows her to be alert with mild breathing difficulty during inspiration and pale skin col
B B B B B B B B B B B B B B B B
or. On primary assessment, she makes high-
B B B B B B
pitched inspiratory sounds (mild stridor) when agitated; otherwise, her breathing is quiet. Her
B B B B B B B B B B B B
BSpO2 is 92% on room air, and she has mild inspiratory intercostal retractions. Lung auscultatio
B B B B B B B B B B B B B B
n reveals transmitted upper airway sounds with adequate distal breath sounds bilaterally. Mo
B B B B B B B B B B B B
st appropriate initial intervention for this child? - ANSWER-
B B B B B B B B
*Humidified oxygen as tolerated* B B B
7-year-
old boy found unresponsive, apneic, and pulseless. CPR is ongoing. Child is intubated, and vas
B B B B B B B B B B B B B B
cular access is established. ECG monitor shows organized rhythm with heart rate of 45/min, b
B B B B B B B B B B B B B B
,ut a pulse check reveals no palpable pulses. High-
B B B B B B B B
quality CPR is resumed, and an initial IV dose of epinephrine is administered. What interventio
B B B B B B B B B B B B B B
n should you perform next? - ANSWER-
B B B B B B *Identify and treat reversible causes* B B B B
You are caring for a 6-year-old patient who is receiving positive-
B B B B B B B B B B
pressure mechanical ventilation via an endotracheal tube. Child begins to move his head and s
B B B B B B B B B B B B B B
uddenly becomes cyanotic, and his heart rate decreases. His SpO2 is 65%. You remove child fr
B B B B B B B B B B B B B B B
om mechanical ventilator and begin to provide manual ventilation with a bag via endotracheal
B B B B B B B B B B B B B
Btube. During manual ventilation with 100% oxygen, child's color and heart rate improve slightl
B B B B B B B B B B B B B
y and his BP remains adequate. Breath sounds and chest expansion are present and adequate
B B B B B B B B B B B B B B B
on right side and are present but consistently diminished on left side. Trachea not deviated, an
B B B B B B B B B B B B B B B
d neck veins are not distended. Suction catheter passes easily beyond tip of the endotracheal
B B B B B B B B B B B B B B B
tube. Most likely cause of this child's acute deterioration? - ANSWER-
B B B B B B B B B B
*Tracheal tube displacement into right main bronchus* B B B B B B
You are giving chest compressions for a child in cardiac arrest. What is the proper depth of co
B B B B B B B B B B B B B B B B B
mpressions for a child? - ANSWER- B B B B B
*Compress the chest at least one third the depth of the chest, about 2 inches (5 cm)*
B B B B B B B B B B B B B B B B
During PALS, you and another rescuers begin CPR. Your colleague begins compressions, and yo
B B B B B B B B B B B B B
u noticed that the compression rate is too slow. What should you say to offer constructive fee
B B B B B B B B B B B B B B B B
dback? - ANSWER- B B *You need to compress at a rate of 100 to 120 per minute*
B B B B B B B B B B B B
You are preparing to use a manual defibrillator in the pediatric setting. What best describes w
B B B B B B B B B B B B B B B
hen it is appropriate to use the smaller pediatric-sized paddles? - ANSWER-
B B B B B B B B B B B
*If the child weighs less than 10 kg or is less than 1 year old*
B B B B B B B B B B B B B B
You need to provide rescue breaths to a child victim with a pulse. What is the appropriate rate
B B B B B B B B B B B B B B B B B B
for delivering breaths? - ANSWER-
B B B B *1 breath every 3 to 5 seconds*
B B B B B B
You find an infant who is unresponsive, is not breathing, and does not have a pulse. You shout
B B B B B B B B B B B B B B B B B B
for nearby help, but no one arrives. What action should you take next? - ANSWER-
B B B B B B B B B B B B B B
*Provide CPR for about 2 minutes before leaving to activate the emergency response sy
B B B B B B B B B B B B B
stem*
, 3 yo boy presents with multiple-
B B B B B
system trauma. Child was an unrestrained passenger in a high-
B B B B B B B B B
speed MVC. On primary assessment, he is unresponsive to voice or painful stimulation. His RR
B B B B B B B B B B B B B B B
is 5/min, HR and pulses are 170/min, systolic BC is 60 mmHg, capillary refill is 5 seconds, and S
B B B B B B B B B B B B B B B B B B
pO2 is 75% on room air. What action should you take first? - ANSWER-
B B B B B B B B B B B B B
*While a colleague provides spinal motion restriction, open the airway with a jaw thrus
B B B B B B B B B B B B B
t and provide bag-mask ventilation*
B B B B
You are assisting in the elective intubation of an average-
B B B B B B B B B
sized 4 yo child with respiratory failure. Colleague is retrieving the color-coded length-
B B B B B B B B B B B B
based tape from the resuscitation chart. What is likely to be the estimated size of the uncuffed
B B B B B B B B B B B B B B B B
B endotracheal tube for this child? - ANSWER- B B B B B B *5-mm tube* B
You find a 10 yo boy to be unresponsive. You shout for help, and after finding that he is not bre
B B B B B B B B B B B B B B B B B B B B
athing and has no pulse, you and a colleague begin CPR. Another colleague activates the emer
B B B B B B B B B B B B B B B
gency response system, brings the emergency equipment, and places the child on a cardiac m
B B B B B B B B B B B B B B
onitor/defibrillator, which reveals ventricular tachycardia. You attempt defib at 2 J/kg and give B B B B B B B B B B B B B
2 minutes of CPR. The rhythm persists at the second rhythm check, at which point you attemp
B B B B B B B B B B B B B B B B
t defibrillation with 4 J/kg. A fourth colleague arrives, starts an IV, and administers 1 dose of ep
B B B B B B B B B B B B B B B B B
inephrine 0.01 mg/kg. If v fib or pulseless ventricular tachycardia persists after 2 minutes of CP
B B B B B B B B B B B B B B B
R, you will administer another shock. What drug and dose should be administered? -
B B B B B B B B B B B B B
B ANSWER- *Lidocaine 1 mg/kg IV* B B B
During bag- B
mask ventilation, how should you hold the mask to make an effective seal between the child's
B B B B B B B B B B B B B B B B
face and the mask? - ANSWER-
B B B B B *Position your fingers using the E-C clamp technique* B B B B B B B
Age of infants - ANSWER-
B B B B <1 yo (excluding the newly born)
B B B B B
Age of children - ANSWER-
B B B B from 1 year of age to puberty
B B B B B B
To perform a pulse check in an infant, palpate a - ANSWER-
B B B B B B B B B B B brachial pulse B
CORRECT ANSWERS|LATEST 2025/2026
|VERIFIED AND ACCURATE ANSWERS
|GRADED A+
What oxygen delivery system most reliably delivers a high (90% of greater) concentration of in
B B B B B B B B B B B B B B
spired oxygen to a 7-year-old child? - ANSWER-
B B B B B B B Nonrebreathing face mask B B
You are called to help treat an infant with severe symptomatic bradycardia (heart rate 66/min)
B B B B B B B B B B B B B B
associated with respiratory distress. Bradycardia persists despite establishment of an effectiv
B B B B B B B B B B B
e airway, oxygenation, and ventilation. There is no heart block present. What first drug should
B B B B B B B B B B B B B B B
you administer? - ANSWER-
B B B *Epinephrine*
You are part of a team attempting to resuscitate a child with ventricular fibrillation cardiac arr
B B B B B B B B B B B B B B B
est. You deliver 2 unsynchronized shocks. A team member established IO access, so you give a
B B B B B B B B B B B B B B B B
dose of epinephrine, 0.01 mg/kg IO. At next rhythm check, persistent ventricular fibrillation is
B B B B B B B B B B B B B B
present. You administer a 4- B B B B
J/kg shock and resume CPR. What drug and dose should be administered next? - ANSWER-
B B B B B B B B B B B B B B
*Amiodarone 5 mg/kg IO* B B B
- can be used for shock-refractory VF or pVT
B B B B B B B B
Initial impression of a 2-year- B B B B
old girl shows her to be alert with mild breathing difficulty during inspiration and pale skin col
B B B B B B B B B B B B B B B B
or. On primary assessment, she makes high-
B B B B B B
pitched inspiratory sounds (mild stridor) when agitated; otherwise, her breathing is quiet. Her
B B B B B B B B B B B B
BSpO2 is 92% on room air, and she has mild inspiratory intercostal retractions. Lung auscultatio
B B B B B B B B B B B B B B
n reveals transmitted upper airway sounds with adequate distal breath sounds bilaterally. Mo
B B B B B B B B B B B B
st appropriate initial intervention for this child? - ANSWER-
B B B B B B B B
*Humidified oxygen as tolerated* B B B
7-year-
old boy found unresponsive, apneic, and pulseless. CPR is ongoing. Child is intubated, and vas
B B B B B B B B B B B B B B
cular access is established. ECG monitor shows organized rhythm with heart rate of 45/min, b
B B B B B B B B B B B B B B
,ut a pulse check reveals no palpable pulses. High-
B B B B B B B B
quality CPR is resumed, and an initial IV dose of epinephrine is administered. What interventio
B B B B B B B B B B B B B B
n should you perform next? - ANSWER-
B B B B B B *Identify and treat reversible causes* B B B B
You are caring for a 6-year-old patient who is receiving positive-
B B B B B B B B B B
pressure mechanical ventilation via an endotracheal tube. Child begins to move his head and s
B B B B B B B B B B B B B B
uddenly becomes cyanotic, and his heart rate decreases. His SpO2 is 65%. You remove child fr
B B B B B B B B B B B B B B B
om mechanical ventilator and begin to provide manual ventilation with a bag via endotracheal
B B B B B B B B B B B B B
Btube. During manual ventilation with 100% oxygen, child's color and heart rate improve slightl
B B B B B B B B B B B B B
y and his BP remains adequate. Breath sounds and chest expansion are present and adequate
B B B B B B B B B B B B B B B
on right side and are present but consistently diminished on left side. Trachea not deviated, an
B B B B B B B B B B B B B B B
d neck veins are not distended. Suction catheter passes easily beyond tip of the endotracheal
B B B B B B B B B B B B B B B
tube. Most likely cause of this child's acute deterioration? - ANSWER-
B B B B B B B B B B
*Tracheal tube displacement into right main bronchus* B B B B B B
You are giving chest compressions for a child in cardiac arrest. What is the proper depth of co
B B B B B B B B B B B B B B B B B
mpressions for a child? - ANSWER- B B B B B
*Compress the chest at least one third the depth of the chest, about 2 inches (5 cm)*
B B B B B B B B B B B B B B B B
During PALS, you and another rescuers begin CPR. Your colleague begins compressions, and yo
B B B B B B B B B B B B B
u noticed that the compression rate is too slow. What should you say to offer constructive fee
B B B B B B B B B B B B B B B B
dback? - ANSWER- B B *You need to compress at a rate of 100 to 120 per minute*
B B B B B B B B B B B B
You are preparing to use a manual defibrillator in the pediatric setting. What best describes w
B B B B B B B B B B B B B B B
hen it is appropriate to use the smaller pediatric-sized paddles? - ANSWER-
B B B B B B B B B B B
*If the child weighs less than 10 kg or is less than 1 year old*
B B B B B B B B B B B B B B
You need to provide rescue breaths to a child victim with a pulse. What is the appropriate rate
B B B B B B B B B B B B B B B B B B
for delivering breaths? - ANSWER-
B B B B *1 breath every 3 to 5 seconds*
B B B B B B
You find an infant who is unresponsive, is not breathing, and does not have a pulse. You shout
B B B B B B B B B B B B B B B B B B
for nearby help, but no one arrives. What action should you take next? - ANSWER-
B B B B B B B B B B B B B B
*Provide CPR for about 2 minutes before leaving to activate the emergency response sy
B B B B B B B B B B B B B
stem*
, 3 yo boy presents with multiple-
B B B B B
system trauma. Child was an unrestrained passenger in a high-
B B B B B B B B B
speed MVC. On primary assessment, he is unresponsive to voice or painful stimulation. His RR
B B B B B B B B B B B B B B B
is 5/min, HR and pulses are 170/min, systolic BC is 60 mmHg, capillary refill is 5 seconds, and S
B B B B B B B B B B B B B B B B B B
pO2 is 75% on room air. What action should you take first? - ANSWER-
B B B B B B B B B B B B B
*While a colleague provides spinal motion restriction, open the airway with a jaw thrus
B B B B B B B B B B B B B
t and provide bag-mask ventilation*
B B B B
You are assisting in the elective intubation of an average-
B B B B B B B B B
sized 4 yo child with respiratory failure. Colleague is retrieving the color-coded length-
B B B B B B B B B B B B
based tape from the resuscitation chart. What is likely to be the estimated size of the uncuffed
B B B B B B B B B B B B B B B B
B endotracheal tube for this child? - ANSWER- B B B B B B *5-mm tube* B
You find a 10 yo boy to be unresponsive. You shout for help, and after finding that he is not bre
B B B B B B B B B B B B B B B B B B B B
athing and has no pulse, you and a colleague begin CPR. Another colleague activates the emer
B B B B B B B B B B B B B B B
gency response system, brings the emergency equipment, and places the child on a cardiac m
B B B B B B B B B B B B B B
onitor/defibrillator, which reveals ventricular tachycardia. You attempt defib at 2 J/kg and give B B B B B B B B B B B B B
2 minutes of CPR. The rhythm persists at the second rhythm check, at which point you attemp
B B B B B B B B B B B B B B B B
t defibrillation with 4 J/kg. A fourth colleague arrives, starts an IV, and administers 1 dose of ep
B B B B B B B B B B B B B B B B B
inephrine 0.01 mg/kg. If v fib or pulseless ventricular tachycardia persists after 2 minutes of CP
B B B B B B B B B B B B B B B
R, you will administer another shock. What drug and dose should be administered? -
B B B B B B B B B B B B B
B ANSWER- *Lidocaine 1 mg/kg IV* B B B
During bag- B
mask ventilation, how should you hold the mask to make an effective seal between the child's
B B B B B B B B B B B B B B B B
face and the mask? - ANSWER-
B B B B B *Position your fingers using the E-C clamp technique* B B B B B B B
Age of infants - ANSWER-
B B B B <1 yo (excluding the newly born)
B B B B B
Age of children - ANSWER-
B B B B from 1 year of age to puberty
B B B B B B
To perform a pulse check in an infant, palpate a - ANSWER-
B B B B B B B B B B B brachial pulse B