Departments that allow well-meaning firefighters to perform as each sees fit will ultimately experience a duty death or significant injury. The fire service has coined the term ____ for this type of action.

Hemoglobin C disease has altered solubility properties similar to hemoglobin S disease. What accounts for this altered solubility?

a. Heme iron is in the ferric form rather than ferrous form. b. The hemoglobin remains in the tense structure. c. A nonpolar amino acid is substituted for a polar amino acid. d. A polar amino acid is substituted near the pocket where heme binds.

A lip seal is important because

A) it keeps food and liquid in the mouth during mastication. B) it helps maintain the positive pressure for swallowing. C) it keeps one from breathing during mastication. D) a & b E) a, b, & c