When the nurse performs the Nitrazine test on vaginal secretions of a patient who thinks her membranes have ruptured, the paper turns yellow. What does this finding indicate?
a. Acidic discharge, membranes intact
b. Acidic discharge, membranes have ruptured
c. Neutral, not enough discharge to measure
d. Alkaline, membranes have ruptured
ANS: A
When the Nitrazine paper turns yellow it is indicative of acidic discharge, meaning the membranes are intact. Amniotic fluid is alkaline and turns the paper blue.
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