A nurse is preparing to perform a ferning test on a client who has PPROM at 28 weeks of gestation.
Which of the following actions should the nurse take?
Collect a sample of vaginal fluid with a sterile cotton swab
Place the sample on a glass slide and cover it with a cover slip
Examine the slide under low-power magnification
Wait for 10 minutes before observing the slide for fern-like patterns
The Correct Answer is A
A ferning test is used to detect the presence of amniotic fluid in the vagina, which can indicate preterm premature rupture of membranes (PPROM). To perform the test, the nurse should collect a sample of vaginal fluid with a sterile cotton swab and place it on a glass slide without a cover slip. Then, the nurse should examine the slide under low-power magnification and look for fern-like patterns that form when the fluid dries.
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Correct Answer is B
Explanation
This is because the nitrazine paper test involves putting a drop of fluid obtained from the vagina onto paper strips containing nitrazine dye.
The strips change color depending on the pH of the fluid.The strips will turn blue if the pH is greater than 6.0, which is indicative of amniotic fluid.However, if the paper remains yellow after contact with the fluid, it means the pH is less than 6.0, which is indicative of urine or vaginal secretions.
Normal ranges for pH of vaginal fluid are 3.8 to 4.5, while normal ranges for pH of amniotic fluid are 7.0 to 7.5.
Correct Answer is C
Explanation
The client has confirmed membrane rupture.This is because the AmniSure ROM Test detects the presence of PAMG-1 protein in the vaginal discharge of pregnant women, which is a marker of amniotic fluid.A positive test result means that the fetal membranes have ruptured and the amniotic fluid has leaked into the vagina.
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