A physician requests that you provide a patient with exactly 40% O2 at a flow of 60 L/min. Lacking a blender, you must manually mix air and O2 to achieve the desired mixture at the pre-scribed flow

A 77-year-old male got out of bed, became dizzy, and fell onto the floor, hitting the right side of his face. You find him sitting on the floor with his wife next to him. His wife states that he did not lose consciousness and that this has happened several times over the past few days, ever since the doctor put him on a new blood pressure medication. Presently, the patient is alert and oriented

and complaining of dizziness and a headache. He has a history of coronary artery disease, emphysema, and hypertension. Which one of the following should you do first? A) Provide supplemental oxygen to maintain a SpO2 of 94% or greater. B) Take manual in-line spinal stabilization and begin assessment. C) Position the patient supine with his feet elevated and get vital signs. D) Check the patient's airway, breathing, and circulatory status.

A large female patient has fallen in a parking lot between two cars. She must be moved on the backboard to the waiting stretcher which is located approximately 200 feet from your location. Four rescuers are present. How would they best be used to promote the safest movement of the patient?

A) One at the head, two at the feet, and the fourth to act as a spotter during the move B) The strongest person at the head, and the other three at the foot end C) Two at the head, two at the feet, with all rescuers using their right hand to carry the backboard D) One at the head, one at the feet, and the other two on opposite sides on the backboard