PALS Updated FINAL EXAM 50 Questions & Answers Latest 2025

1. A 12-year-old child being evaluated in the pediatric intensive care unit displays the following ECG waveform. The team interprets this as which arrhythmia? second degree 2. Laboratory tests are ordered for a child who has been vomiting for 3 days and is diaphoretic, tachypneic, lethargic and pale. Which test would the provider use to determine the adequacy of oxygen delivery? Lactate 3. A 9-year-old patient is presenting with decreased breath sounds, bradycardia, slowed respiratory rate and a low O2 saturation level. The provider interprets these findings as indicating which condition? Respiratory failure 4. A 4-year-old child is brought to the emergency department by the parents. Assessment reveals that the child has only gasping respirations and the pulse rate is 65 beats per minute. Which action would the provider initiate first? Deliver 1 BVM ventilation every 3 to 5 seconds. 5. A 15-year-old patient is being evaluated during a follow-up visit after being diagnosed with Lyme disease 2 months ago. A rhythm strip is obtained as shown below. The provider interprets this rhythm as indicating which arrhythmia? First-degree atrioventricular (AV) block 6. A child in cardiac arrest experiences return of spontaneous circulation but is exhibiting signs of post–cardiac arrest syndrome (PCAS). The PALS resuscitation team determines that the child is experiencing a systemic response to ischemia/reperfusion. The team bases this determination on which finding(s)? Hypotension Fever Hyperglycemia 7. A 2-year-old child arrives at the emergency department with the parents. The child is unresponsive, is not breathing and has no pulse. Two emergency department providers begin high-quality CPR. Which action(s) by the providers demonstrates high-quality CPR? Allowing the chest to recoil fully after each compression Providing ventilations that last about 1 second each Compressing the chest about 2 inches Giving 2 ventilations to every 15 compressions