Mechanical removal of skin tissue is called an abrasion

A dual-lumen airway with a ventilation port for each lumen is called a(n):

A) laryngeal mask airway. B) esophageal obturator airway. C) pharyngo-tracheal lumen airway. D) esophageal tracheal Combitube.

A bovine-derived enzyme used as a chemical method of hemostasis is:

a. heparin b. collagen c. thrombin d. epinephrine