The nurse is providing discharge education to the patient who has a tracheostomy following a total laryngectomy. Which instruction does the nurse give the patient to maintain airway patency?   

The patient presents to the emergency department with a probable cervical spinal cord injury following a diving accident one hour ago. The nurse anticipates this patient’s labs will most likely show which of the following acid-base disturbances?

The patient walks into to the emergency department (ED) complaining of significant pain in the right eye. It appears red and swollen. The pupils are not equal in size or reactivity – the right pupil remains dilated despite the bright exam room and the flash light. The patient cringes from the bright light, though, and complains the bright lights are hurting his head. He reports that over the last week, both eyes have been aching and he has been seeing halos around lights. The nurse prepares for which test to be performed first?