Which type of burn denatures the biochemical makeup of cell membranes and destroys the cell?

Which type of burn denatures the biochemical makeup of cell membranes and destroys the cell?
 
  A) Electrical
  B) Thermal
  C) Radiation
  D) Chemical

Question 2

Which of the following airway maneuvers can open the airway without hyperextension of the neck?
 
  A) Modified jaw-thrust
  B) Head-tilt/chin-lift maneuver
  C) Chin-lift-tilt
  D) Suspended jaw-chin thrust

Question 3

Your patient has come into contact with a strong acid that has created an open wound into the abdomen. You should classify this would as a:
 
  A) superficial burn.
  B) minor injury.
  C) partial-thickness burn.
  D) full-thickness burn.