Technological improvements to firefighter's self-contained breathing apparatus (SCBA) include:

A male patient fell 20 feet from a cliff to a trail below. The primary assessment shows him to be confused, with an open airway and shallow breathing. His pulse is 72 beats per minute and his blood pressure is 78/50 mmHg. The skin is warm and flushed. The patient has no motor ability or sensation in his legs. Which one of the following is the most likely cause of this patient's presentation?

A) Internal bleeding B) Spinal injury C) Hemorrhagic shock D) Hypoglycemia

COPD refers to ________

Fill in the blank with correct word.