The mechanisms of airway obstruction in COPD include which of the following? 1. Airway remodeling 2. Inflammation and obstruction of small airway 3. Loss of elasticity 4. Active bronchospasm

You have applied a nonporous dressing to a stab wound on a patient's chest. The Emergency Medical Responder assisting you asks you why the dressing was taped on three sides and not all four. Your best response is that taping the dressing on three sides:

A) permits oxygen to still enter the lungs. B) allows trapped air to escape on exhalation. C) causes less pain for the patient. D) decreases the chance of air entering the chest on exhalation.

Your patient is a 44-year-old female with a history of hiatal hernia. She is complaining of diffuse abdominal pain. All four quadrants are tender to palpation. She also states that she has vomited numerous times and describes the presence of bile. You note that her abdomen is slightly distended, and auscultation of her abdomen reveals absent bowel sounds. Of the following, which is the most

likely cause of her clinical condition? A) Pancreatitis B) Cholecystitis C) Diverticulitis D) Bowel obstruction