Following tests are done for assessing fetal lung maturity. Which of the following test results does not indicate adequate fetal lung maturity?
AFoam stability index greater than 47
BPresence of phosphatidylglycerol
CLecithin/sphingomyelin ratio less than 2
DOptical density at 650 nm less than 0.15
Which of the following parameters is most critical for maintaining optimal oxygenation?
AFiO2
BRespiratory rate
CPEEP
DTidal volume
All of the following may lead to pneumatocele formation except which of the following?
AStaphylococcal pneumonia
BPositive pressure ventilation
CHydrocarbon inhalation
DARDS
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