Genetic Testing and Maternal Serum Screening Quiz
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Questions and Answers

What is the purpose of fetoscopy?

  • Perform surgery for a congenital disorder (correct)
  • Analyze chorionic villi for DNA analysis
  • Assess maternal serum for screening purposes
  • Collect umbilical blood samples for testing
  • What is the main risk associated with Chorionic Villi Sampling (CVS)?

  • Rh incompatibility issues
  • Excessive bleeding leading to pregnancy loss (correct)
  • Maternal infection
  • Fetal abnormalities
  • Which procedure involves the insertion of a fiberoptic fetoscope through a small incision in the mother's abdomen?

  • Karyotyping
  • Maternal Serum Screening
  • Percutaneous Umbilical Blood Sampling
  • Amniocentesis (correct)
  • What is the recommended follow-up action for women with an Rh-negative blood type after CVS?

    <p>Receive Rh immune globulin administration</p> Signup and view all the answers

    What is the purpose of maternal serum screening during pregnancy?

    <p>To test for genetic disorders by analyzing maternal blood.</p> Signup and view all the answers

    How does the 'triple study' differ from the MSAFP test in genetic testing?

    <p>It uses a combination of AFP, estriol, and hCG to reduce false-positive reports.</p> Signup and view all the answers

    Which method allows for more rapid karyotyping than just skin cell analysis?

    <p>Percutaneous umbilical blood sampling</p> Signup and view all the answers

    What is the function of amniocentesis in prenatal testing?

    <p>To allow for analysis of blood components and karyotyping.</p> Signup and view all the answers

    Which prenatal testing method allows for the withdrawal of amniotic fluid for analysis around the 14th to 16th week of pregnancy?

    <p>Karyotyping</p> Signup and view all the answers

    Which prenatal testing method involves locating a pocket of amniotic fluid by ultrasound before withdrawing it for analysis?

    <p>Karyotyping</p> Signup and view all the answers

    Which prenatal testing method provides genetic information extremely early in a pregnancy by studying a naturally fertilized ovum for DNA analysis before implantation?

    <p>Amniocentesis</p> Signup and view all the answers

    Which prenatal testing method involves analyzing AFP or acetylcholinesterase levels in the withdrawn fluid along with karyotyping skin cells found in the fluid?

    <p>Maternal serum screening</p> Signup and view all the answers

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