LPN Pediatrics

Correct Answer: D

Rationale: Systolic blood pressure is the least reliable parameter when assessing perfusion status in a 2-year-old child. In young children, blood pressure measurements can be variable, affected by factors like anxiety or crying. Capillary refill time, presence of peripheral pulses, and skin color and temperature are more reliable indicators of perfusion status in this age group.

Correct Answer: C

Rationale: The ideal time to clamp and cut the umbilical cord is when it has stopped pulsating. This allows for the transfer of remaining blood from the placenta to the newborn, which can be beneficial for the baby's health and iron stores. Clamping the cord too early can deprive the newborn of this essential blood volume. Waiting for the pulsations to cease ensures that the baby receives the maximum benefits from delayed cord clamping.

Correct Answer: A

Rationale: The Apgar score is a rapid assessment tool to evaluate the newborn's transition to life outside the womb. The Apgar score is based on five components: heart rate (>100 bpm), respiratory effort (rapid breathing), muscle tone (resisting leg straightening), reflex irritability (crying when feet are flicked), and color (cyanosis to extremities). The described findings match a score of 9, indicating good overall condition and adaptation to extrauterine life.

Correct Answer: D

Rationale: In this scenario, the 4-year-old boy with a tracheostomy tube is showing signs of respiratory distress, including intercostal retractions, a low heart rate, and decreased oxygen saturation. The gurgling sound indicates a possible airway obstruction. Correctly, the immediate action should be to carefully suction the tracheostomy tube. Suctioning can help clear any secretions or obstructions, thus improving the child's ability to breathe effectively. Ventilating through the tube, placing an oxygen mask over it, or removing and cleaning the tube would not address the potential obstruction and could worsen the respiratory distress.

Correct Answer: C

Rationale: Expiratory grunting is a significant sign of inadequate breathing and respiratory distress in infants. It indicates that the infant is struggling to exhale properly, which can be a sign of various respiratory issues, including lung problems or airway obstruction. Monitoring and recognizing this sign promptly can help in providing timely interventions to support the infant's breathing and prevent further complications.