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Labour

Question
1 out of 23
 

Fetal lung maturity is assessed by all the following except (AIIMS Nov 2011)



A Lecithin sphingomyelin ratio

B Nile blue sulfate test

C Nitrazine paper test

D Creatinine estimation of amniotic fluid

Ans. C

Nitrazine paper test

a. Nitrazine paper is used to detect small quantities of 'amniotic fluid' in vaginal secretions.

b. It is used in conjunction with the fern test to help detect ruptured membranes.

c. False positive results may occur from specimen contamination due to heavy vaginal discharge, blood, cervical mucus, semen, alkaline urine, and soap.

d. False negative results may be produced by prolonged rupture of membranes (> 24 hours) or when a small volume of fluid has leaked. Specimen contamination will result in erroneous pH results.

Labour Flashcard List

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