A Patient Who Was Injured at Home Is Brought to the Emergency

A patient who was injured at home is brought to the emergency department. The nurse caring for this patient notes a respiratory rate of 32 breaths per minute and a heart rate of 90 beats per minute. The injuries are minor,but the patient is inconsolable and hysterical. The nurse expects that initial management will include:

A) administering a gas mixture of 5% carbon dioxide (CO₂) .
B) providing 100% oxygen via nasal cannula.
C) giving sodium bicarbonate IV.
D) providing sedatives to calm the patient.