Which of the Following Statements Are True of the Lecithin-To-Sphingomyelin

question 39

Multiple Choice

Which of the following statements are true of the lecithin-to-sphingomyelin ratio?
I.It is predictive of fetal lung maturation.
II.An L/S ratio greater than 2:1 indicates fetal lung maturity in nondiabetic pregnancies.
III.The L/S ratio is falsely high in diabetes.
IV.The L/S ratio is generally 2:1 at 35 weeks' gestation.

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

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