The chain of communications is the method by which concessionaires and vendors contact EMS in an emergency, as well as notify hospitals of the impending arrival of patients.

The malleus is attached to the tympanic membrane

a. True b. False

Your patient is a 15-year-old male with a history of multiple prior hospitalizations for asthma. Upon your arrival the patient responds only to painful stimuli and is making very weak respiratory effort. Which of the following should you do next?

A) Assist the patient with his inhaler. B) Check the patient's oxygen saturation level. C) Assist the patient's ventilations with a bag-valve-mask device and supplemental oxygen. D) Contact medical control.