Which of the Following Statements Are True of ROP

Multiple Choice

Which of the following statements are true of ROP?
I.A higher than normal PaO₂ may cause ROP.
II.The PaO₂ is the critical factor in ROP, not the FIO₂ per se.
III.ROP may cause permanent blindness.
IV.The FIO₂ is the critical factor in ROP, not the PaO₂ per se.

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