A 10-year-old with chronic respiratory failure is being transferred by air transport to a rehabilitation facility. Which physiologic change during flight is most concerning for this patient?  

A mother brings in her 4-month-old infant and 6 year old child to the ER when the 6 year old child fell while riding a bike.  The child appears to have a displaced finger. The infant in mother’s arms is alert and well-appearing. As a clinician you see a single 1-cm bruise on the right cheek of the infant, otherwise the infant appears well. The caregiver reports the bruise occurred when the infant “bumped into a toy” while being held by an older sibling. Which of the following is the most appropriate next step regarding the care of the infant?

A 6-year-old with blunt chest trauma becomes acutely hypotensive with absent breath sounds on the right and tracheal deviation. Where should needle decompression be performed?

A child presents after an MVC with abdominal pain and a visible seatbelt sign. CT abdomen is initially normal. What is the most appropriate next step?

A 7-year-old with suspected physical abuse is admitted. What is the priority role of the PNP-AC in management?

A non-ambulatory 8-month-old is found to have posterior rib fractures on imaging. What is the most likely mechanism?  

A severely injured child has ongoing bleeding despite normal initial coagulation labs. What best explains this finding?

A 10-year-old presents with tinnitus, tachypnea, and metabolic acidosis after ingesting an unknown substance. Which acid–base abnormality is most characteristic of this toxicity?

A child presents with suspected abusive head trauma. Which physiologic factor most contributes to poor neurologic outcome?  

Which caregiver statement most raises concern for inflicted injury?