Which of the following is not a function of amniotic fluid?
Correct!
Wrong!
What is the primary cause of the normal increase in amniotic fluid as a pregnancy progresses?
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Wrong!
Which of the following is not a reason for decreased amounts of amniotic fluid?
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Wrong!
Why might a creatinine level be requested on an amniotic fluid?
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Amniotic fluid specimens are placed in ambercolored tubes prior to sending them to the laboratory to prevent the destruction of:
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Wrong!
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How are specimens for FLM testing delivered to and stored in the laboratory?
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Why are amniotic specimens for cytogenetic analysis incubated at 37C prior to analysis?
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Filtration of amniotic fluid is required to avoid decreased values in the test results for:
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A significant rise in the OD of amniotic fluid at 450 nm indicates the presence of which analyte?
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Plotting the amniotic fluid OD on a Liley graph represents the severity of hemolytic disease of the newborn. A value that is plotted in zone II indicates what condition of the fetus?
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Wrong!
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The presence of a fetal neural tube disorder may be detected by:
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Wrong!
An AFP MoM value greater than two times the median value is considered an indication of a neural tube disorder
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When severe HDN is present, which of the following tests on the amniotic fluid would the physician not order to determine whether the fetal lungs are mature enough to withstand a premature delivery?
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The foam or shake test is a screening test for which amniotic fluid substance?
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Prior to 35 weeks’ gestation, the normal L/S ratio is less than 1.6.
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Wrong!
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When performing an L/S ratio by thin-layer chromatography, a mature fetal lung will show:
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Phosphatidyl glycerol is present with an L/S ratio of 1.1
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A rapid test for FLM that does not require performance of thin-layer chromatography is:
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Does the failure to produce bubbles in the Foam Stability Index indicate increased or decreased lecithin?
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Microviscosity of amniotic fluid is measured by:
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The presence of phosphatidyl glycerol in amniotic fluid fetal lung maturity tests must be confirmed when:
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An L/S ratio of 2.0 correlates with a surfactant/albumin ratio of 39 mg/g.
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A lamellar body count of 50,000 correlates with:
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Which test for FLM is least affected by contamination with hemoglobin and meconium?
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The Quizzes about Amniotic Fluid (24 tests)
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