Assessment of a confused and lethargic patient with diabetes and renal failure reveals her to be lying in bed with notable significant edema to the face, torso, and extremities. Her respirations are extremely labored and associated with a "grunting" sound. Her airway is patent, radial pulse weak, and skin cool and diaphoretic with cyanosis noted to the fingers. Oxygen has been applied by

Emergency Medical Responders (EMRs). Your next action would be to:

A) obtain vital signs.
B) sit the patient upright.
C) place a nasal airway.
D) check her blood glucose level.

B