The nurse is examining the waveform produced by the patient's central venous pressure (CVP) catheter. Atrial contraction occurs at which point on the waveform?

The 14-year-old patient was admitted following surgical reduction of an open femur fracture. The patient, who has reported good pain control with the patient-controlled analgesia (PCA) pump, is sleeping peacefully. During hourly rounding, the nurse observes the parent press the button to administer the bolus of pain medication. Which action by the nurse is appropriate?

The patient with poorly controlled type II diabetes mellitus reports burning pain in the feet and legs that keep him up at night. The nurse passes this report along the provider and advocates for which medication for the patient?