Fibrinogens are minerals found in blood serum.

Which one of the following statements made by an EMT shows he understands the use of the pocket mask?

A) "Although the pocket mask is very effective at ventilating a patient, the EMT is directly exposed to secretions from the patient." B) "In comparison to the bag-valve mask, the pocket mask can deliver a just as good, if not better, tidal volume." C) "When using the pocket mask to ventilate a patient, the EMT must make sure that the reservoir bag is in place." D) "The EMT must remove the oral airway and replace it with a nasal airway when ventilating with a pocket mask."

In a scientific equation mass flux is noted as

a. f b. m" c. d. fm