AUBF RATIO

Which of the ff is NOT a function of amniotic fluid?

• Provides cushioning to the fetus

• Stabilizes fetal temperature

• Promotes fetal digestion

• Allows fetal movement

Polyhydramnios is primarily caused by:

• Increased fetal urination

• Decreased fetal swallowing of amniotic fluid

• Membrane leakage

• Placental insufficiency

The specimen collection for amniotic fluid is done through:

• Thoracentesis

• Amniocentesis

• Paracentesis

• Lumbar Puncture

For fetal lung maturity testing, the amniotic fluid should be

• Stored at room temperature

• Protected from light

• Placed on ice and frozen

• Heated to body temperature

The fern test is used to

• Detect neural tube defects

• Determine fetal sex

• Detect ruptured membranes

• Evaluate fetal lung maturity

AFP levels are increased

• Down syndrome

• Spina bifida

• DM

• Turner Syndrome

Answer explanation

AFP detects Neural Tube Defects

Decreased AFP level suggests

• Neural tube defects

• Down Syndrome

• Placenta previa

• Preterm labor

Answer explanation

Low AFP levels are associated with chromosomal abnormalities

The confirmatory test for neural tube defects after an elevated AFP is

• hCG test

• Fern Test

• Acetylcholinesterase test

• Bilirubin marker

A fetal age of 36 weeks can be indicated by amniotic fluid creatinine of

• 1.0 mg/dL

• 2.0 mg/dL or higher

• 0.5 mg/dL

• 3.5 mg/dL or higher

hCG is primarily produced by which cells

• Chief cells

• Cytotrophoblastic cells of placenta

• Parietal cells

• G cells