Retinopathy of prematurity often occurs in neonates because of which of the following?
a. Increased amounts of FIO2
b. Low amounts of FIO2
c. Improper placement of the oxy-gen-delivery device
d. Hyperventilation
ANS: A
The origin of retinopathy of prematurity, especially with regard to the role of oxygen, is contro-versial. Nonetheless, care should be taken when supplemental oxygen is provided to preterm in-fants (<37 weeks' gestation). It is suggested that oxygen supplementation should not result in a PaO2 >80 mm Hg.
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