In Addition to Specifying the Liter Flow or Concentration, Which

In addition to specifying the liter flow or concentration, which of the following must a physician include in a home O₂ prescription?
I.evidence of central cyanosis
II.appropriate medical diagnosis
III.laboratory evidence of hypoxemia
IV.frequency of use of O₂
V.duration of need for O₂

A) II, III, IV, and V
B) I, III, and IV
C) III, IV, and V
D) I, II III, IV, and V