Multiple Choice
When an L/S ratio by thin-layer chromatography is performed,a mature fetal lung will show:
A) Sphingomyelin twice as concentrated as lecithin
B) No sphingomyelin
C) Lecithin twice as concentrated as sphingomyelin
D) Equal concentrations of lecithin and sphingomyelin
Correct Answer:

Verified
Correct Answer:
Verified
Q23: Production of both lecithin and sphingomyelin increases
Q24: Most laboratories detect the presence of phosphatidylglycerol
Q25: Hemolytic disease of the newborn is caused
Q26: An amniotic fluid optical density at 650
Q27: An amniocentesis is performed on a woman
Q29: In the determination of fetal lung maturity,which
Q30: The volume of amniotic fluid increases after
Q31: A second amniocentesis is performed on a
Q32: A second amniocentesis is performed on a
Q33: The Amniostat agglutination test is performed on