Correct Answer: B

Rationale: A heart rate of 80 beats per minute in a 3-month-old infant is abnormally low for that age group and could indicate underlying health issues. The normal heart rate for a 3-month-old infant is typically higher, around 100-150 beats per minute. Therefore, this finding stands out as abnormal and warrants further evaluation. Choice A is not necessarily abnormal in a newly born infant as irregular breathing patterns can be common during the neonatal period. Choice C falls within the normal respiratory rate range for a 2-year-old child, which is around 20-30 breaths per minute. Choice D reflects a systolic blood pressure value within the normal range for a 10-year-old child, which is typically around 90-110 mm Hg.

Correct Answer: D

Rationale: Capillary refill is a more reliable indicator of perfusion in children than in adults. This is because children have more compliant vessels, making capillary refill a more sensitive indicator of perfusion status in this population. In contrast, while blood pressure, heart rate, and respiratory rate are important indicators, they may not be as reliable in children as capillary refill. Blood pressure can be affected by various factors such as anxiety or pain, heart rate can be influenced by emotions or temperature, and respiratory rate may vary with activity levels. Therefore, capillary refill is preferred in children for a more accurate assessment of perfusion.

Correct Answer: A

Rationale: In a pediatric patient presenting with unresponsiveness, rapid, shallow respirations, thready pulses, high heart rate, and low oxygen saturation, the priority is to ensure adequate oxygenation. Ventilating the child with a bag-valve mask is crucial in this scenario to support her breathing and improve oxygenation, as indicated by her low oxygen saturation and respiratory distress. Starting chest compressions is not indicated as the child has a pulse. Administering high-flow oxygen via a non-rebreathing mask may not be as effective as providing positive pressure ventilation with a bag-valve mask in this situation. Placing her in the recovery position is not appropriate when the child is unresponsive and in respiratory distress.

Correct Answer: D

Rationale: In cases of prolapsed umbilical cord, it is crucial to manage the situation promptly. The correct steps include lifting the baby's head off the umbilical cord to reduce pressure, placing the mother in a position that elevates her hips to relieve pressure on the cord, and ensuring that the cord stays moist. Pulling on the cord is not recommended as it can further compromise fetal circulation and should be avoided. Therefore, relieving pressure off the cord by gently pulling on it is not a recommended management approach in cases of prolapsed umbilical cord.

Correct Answer: A

Rationale: If a newborn remains apneic and cyanotic after the initial resuscitation steps, the next appropriate action is to begin ventilations with a bag-mask device. This helps provide oxygen to the newborn and can be crucial in supporting their respiratory efforts. Option B of flicking the soles of their feet is not recommended in this scenario as the priority is addressing the respiratory distress. Option C of suctioning their mouth and nose is not the immediate next step if the newborn is not spontaneously breathing. Option D of starting CPR based only on the heart rate is not the first-line intervention for an apneic and cyanotic newborn.