PALS 2025 Exam questions and answers Which pulses should be assessed to monitor systemic perfusion in a child? - answer>>>peripheral and central What should the first rescuer arriving on the scene of an unresponsive infant or child do? (in order) - answer>>>1. verify scene safety 2. check for responsiveness 3. shout for help 4. activate the emergency response system Why may excessive ventilation during CPR be harmful? - answer>>>- it increases intrathoracic pressure - it impedes venous return If you cannot achieve effective ventilation (ie, the chest does not rise), do the following: - answer>>>- reposition/reopen the airway (sniffing position) - verify mask size and ensure a tight face-mask seal - suction the airway if needed - check the O2 source - check the ventilation bag and mask - treat gastric inflation (NG/OG) - consider 2-person bag-mask ventilation and inserting an OPA Ventilation rate - answer>>>1 breath every 2-3 seconds delivered over 1 second (20-30 breaths per minute)Early signs of tissue hypoxia - answer>>>- tachypnea - increased respiratory effort (nasal flaring, retractions) - tachycardia - pallor, mottling, cyanosis - agitation, anxiety, irritability Late signs of tissue hypoxia - answer>>>- bradypnea, inadequate respiratory effort, apnea - increased respiratory effort (head bobbing,