Only about 1.5 percent of the oxygen content of arterial blood consists of oxygen molecules in solution. The rest of the oxygen molecules are bound to ________ molecules

A 41-year-old female has called 911 for a headache. What assessment finding should make the EMT suspicious that the patient is suffering from a vascular headache?

A) Bright light increases the patient's discomfort. B) The patient has pain throughout her entire head. C) Her blood pressure is 192/124 mmHg. D) She rates the pain as an 8/10.

You arrive on the scene of a motor vehicle collision and are presented with a patient complaining of chest pain after striking his chest on the steering wheel. On scene Emergency Medical Responders (EMRs) are maintaining cervical immobilization manually. He is alert and oriented and has a patent airway. His respirations are 24 with good chest rise and fall, and his skin is warm and dry. His heart

rate is 96 and SpO2 92% on room air. At this time you should: A) apply a cervical spine immobilization collar. B) provide supplemental oxygen. C) obtain a blood pressure and medical history. D) start positive pressure ventilation.