PALS REVIEW QUESTIONS AND 100% CORRECT
ANSWERS
During resuscitation of a newborn infant, the blow-by oxygen rate of flow should always be
more than? ✔️✔️5 L/min.
What age period is croup most common to occur? ✔️✔️6 months - 3 years
Which of the following are the two most easily reversible causes of PEA? ✔️✔️Hypoglycemia
and Hypoxia
You are called to help resuscitate an infant with severe symptomatic bradycardia associated with
respiratory distress. The bradycardia persists despite establishment of an effective airway,
oxygenation, and ventilation. There is no heart block present. Which of the following should you
administer? ✔️✔️epinephrine (0.01 mg/kg 1:10000 concentration every 3 to 5 minutes)
You have just assisted with the elective intubation of a child with respiratory failure and
perfusing rhythm. What is the most prompt assessment of correct endotracheal tube placement in
this child? ✔️✔️Clinical assessment of adequate bilateral breath sounds and chest expansion
plus presence of ex-haled CO2 in a colorimetric detection device after delivery of 6 positive-
pressure ventilations
, An infant with a history of vomiting and diarrhea arrives by ambulance. During your primary
assess-ment the infant only responds to painful stimulation. The upper airway is patent, the
respiratory rate is 40/min with good bilateral breath sounds, and 100% oxygen is being
administered. The infant has cool extremities, weak pulses, and a capillary refill time of more
than 5 seconds. He infant's blood pressure is 85/65 mm Hg and glucose concentration is 30 mg/dl
(1.65 mmol/L). What is the most appropriate treatment to provide the infant? ✔️✔️Establish
IV or IO access, administer 20 mL/kg isotonic crystalloid over 10 to 20 minutes, and
simultaneously administer D25W 2 to 4 mL/kg in a separate infusion.
Initial impression of a 2-year-old female reveals her to be alert with mild breathing difficulty
during inspiration and pale skin color. On primary assessment, she makes high-pitched
inspiratory sounds (mild stridor) when agitated; otherwise her breathing is quiet. Her SpO2 is
92% in room air, and she has mild inspiratory intercostals retractions. Lung auscultation reveals
transmitted upper airway sounds with adequate distal breath sounds bilaterally. What is the most
appropriate initial therapeutic intervention for this child? ✔️✔️Administer humidified
supplementary oxygen as tolerated and continue evaluation.
Parents of a 1-year-old female phoned 911 when they picked up their daughter from the baby-
sitter. Paramedics perform a initial impression revealing an obtunded infant with irregular
breathing, bruises over the abdomen, abdominal distention, and cyanosis. Assisted bag-mask
ventilation with 100% oxygen is initiated. On primary assessment heart rate is 30/min, peripheral
pulses cannot be palpated, and central pulses are barely palpable. Cardiac monitor shows sinus
bradycardia. Chest compressions are started with a 15:2 compression-to-ventilation ratio. In the
ANSWERS
During resuscitation of a newborn infant, the blow-by oxygen rate of flow should always be
more than? ✔️✔️5 L/min.
What age period is croup most common to occur? ✔️✔️6 months - 3 years
Which of the following are the two most easily reversible causes of PEA? ✔️✔️Hypoglycemia
and Hypoxia
You are called to help resuscitate an infant with severe symptomatic bradycardia associated with
respiratory distress. The bradycardia persists despite establishment of an effective airway,
oxygenation, and ventilation. There is no heart block present. Which of the following should you
administer? ✔️✔️epinephrine (0.01 mg/kg 1:10000 concentration every 3 to 5 minutes)
You have just assisted with the elective intubation of a child with respiratory failure and
perfusing rhythm. What is the most prompt assessment of correct endotracheal tube placement in
this child? ✔️✔️Clinical assessment of adequate bilateral breath sounds and chest expansion
plus presence of ex-haled CO2 in a colorimetric detection device after delivery of 6 positive-
pressure ventilations
, An infant with a history of vomiting and diarrhea arrives by ambulance. During your primary
assess-ment the infant only responds to painful stimulation. The upper airway is patent, the
respiratory rate is 40/min with good bilateral breath sounds, and 100% oxygen is being
administered. The infant has cool extremities, weak pulses, and a capillary refill time of more
than 5 seconds. He infant's blood pressure is 85/65 mm Hg and glucose concentration is 30 mg/dl
(1.65 mmol/L). What is the most appropriate treatment to provide the infant? ✔️✔️Establish
IV or IO access, administer 20 mL/kg isotonic crystalloid over 10 to 20 minutes, and
simultaneously administer D25W 2 to 4 mL/kg in a separate infusion.
Initial impression of a 2-year-old female reveals her to be alert with mild breathing difficulty
during inspiration and pale skin color. On primary assessment, she makes high-pitched
inspiratory sounds (mild stridor) when agitated; otherwise her breathing is quiet. Her SpO2 is
92% in room air, and she has mild inspiratory intercostals retractions. Lung auscultation reveals
transmitted upper airway sounds with adequate distal breath sounds bilaterally. What is the most
appropriate initial therapeutic intervention for this child? ✔️✔️Administer humidified
supplementary oxygen as tolerated and continue evaluation.
Parents of a 1-year-old female phoned 911 when they picked up their daughter from the baby-
sitter. Paramedics perform a initial impression revealing an obtunded infant with irregular
breathing, bruises over the abdomen, abdominal distention, and cyanosis. Assisted bag-mask
ventilation with 100% oxygen is initiated. On primary assessment heart rate is 30/min, peripheral
pulses cannot be palpated, and central pulses are barely palpable. Cardiac monitor shows sinus
bradycardia. Chest compressions are started with a 15:2 compression-to-ventilation ratio. In the
