Which One of the Following Statements Indicates That the EMT

Which one of the following statements indicates that the EMT has a correct understanding of the use of oxygen in the prehospital setting?

A) "Oxygen should be withheld from a patient with chronic obstructive pulmonary disease."
B) "If the patient has a poor tidal volume, oxygen should be administered at 15 lpm through a nonrebreather mask."
C) "Oxygen should never, ever be withheld from a patient you think may need it ."
D) "If providing positive pressure ventilation, lower concentrations of oxygen may be used."