The pressure contributed by a single gas is the ________ pressure of that gas.

The pressure contributed by a single gas is the ________ pressure of that gas.
 
  A) partial B) complete C) atmospheric D) elemental

Question 2

A _______ device is any device used to protect the Emergency Responder from making direct contact with the _______ of the person who needs breathing assistance.
 
  Fill in the blank(s) with the appropriate word(s).

Question 3

The normal rate of contraction is established by ________ cells, the nodal cells that reach threshold first.
 
  A) nodal rate B) pacemaker C) conducting D) pacer

Question 4

_____________ are proteins produced by the body that bind to foreign cells/substances.
 
  Fill in the blank(s) with correct word