The atomic interaction that produces scatter radiation is

You are evaluating a patient who was in a motor vehicle collision. You determine that the patient is responsive to pain only and has a partially amputated arm at the elbow, a possible pelvic fracture, and a flail chest. You classify this patient's condition as:

A) expectant. B) non-life-threatening. C) non-critical patient. D) critical patient.

What are the microscopic air sacs that exchange oxygen and carbon dioxide through the processes of inspiration and expiration?

A) larynx B) trachea C) alveoli D) pharynx