The 18-day-old neonate has musty-smelling urine and vomits with almost every feeding. The patient, who was born after an uncomplicated pregnancy and delivery, had a normal newborn screening that was drawn in the hospital after birth. Which action by the nurse is most appropriate?   

The nurse is supervising the student nurse in the insertion of a peripheral intravenous catheter. The nurse observes the student nurse apply a tourniquet, clean the insertion site, and insert the needle into the skin and get a flash of blood in the chamber. The nurse continues to quietly observe if the student nurse performs which action? 

The patient is 3 hours postop from an open abdominal surgery. Flexion and extension of which joints are most appropriate for this patient to perform to prevent complications of immobility while minimizing the risk of evisceration? Select all that apply.