During a well-child visit for the 4-month-old child, the nurse palpates hard nodules where each rib joins the sternum. The nurse reports this finding to the provider and requests which lab studies for this patient? Select all that apply.

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.

The patient is receiving a transfusion of packed red blood cells. After 30 minutes, the patient complains of intense itching and flank pain. Upon assessment, the nurse notes a fever and tachycardia. Which of the following is the next best step in management?