A patient is in the hospital and receiving IV antibiotics. When the nurse answers the patient's call light, the patient presents an appearance as shown below. What action by the nurse takes priority.

Administer epinephrine 1:1000, 0.3 mg IV push immediately.

Apply oxygen by facemask at 100 percent and a pulse oximeter.

Ensure a patent airway while calling the Rapid Response Team.

Reassure the patient that these manifestations will go away.