The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The one measurement of fetal maturity that is not affected by a 'bloody tap' during amniocentesis is:   (A) L/S ratio   (B) Phosphatidyl glycerol   (C) α-fetoprotein   (D) Bilirubin as a measured by DOD 450
['(B) Phosphatidyl glycerol <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) L/S ratio \n (B) Phosphatidyl glycerol \n (C) α-fetoprotein \n (D) Bilirubin as a measured by DOD 450 <> possible answers', "  The one measurement of fetal maturity that is not affected by a 'bloody tap' during amniocentesis is: <> context@"]