Chorionic Villus Sampling and Amniocentesis Quiz

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Questions and Answers

What is the ideal time for performing chorionic villus sampling (CVS)?

  • 5-10 weeks
  • 15-20 weeks
  • 10-14 weeks (correct)
  • 20-24 weeks

Which type of cells are collected during amniocentesis?

  • Amniocytes and Dermal Fibroblasts (correct)
  • Cytotrophoblast cells
  • Trophoblast cells
  • Placental cells

What is the fetal loss rate for chorionic villus sampling (CVS)?

  • Less than 1%
  • 1-2%
  • 10-15%
  • Less than 10% (correct)

At what gestational age is amniocentesis ideally performed?

<p>15-20 weeks (B)</p> Signup and view all the answers

Which study material is used during chorionic villus sampling (CVS)?

<p>Cytotrophoblast and Trophoblast (B)</p> Signup and view all the answers

Which procedure has a higher risk of fetal loss, CVS or amniocentesis?

<p>CVS has a slightly higher risk (C)</p> Signup and view all the answers

What is one of the main advantages of chorionic villus sampling (CVS)?

<p>It provides results earlier than amniocentesis (C)</p> Signup and view all the answers

Flashcards

What is Chorionic Villus Sampling (CVS)?

CVS involves sampling cells from the chorionic villi, which are finger-like projections of the placenta.

What is Amniocentesis?

Amniocentesis involves collecting amniotic fluid, which surrounds the fetus in the amniotic sac.

When is CVS usually performed?

CVS is typically performed between 10-14 weeks of gestation.

When is Amniocentesis usually performed?

Amniocentesis is generally performed between 15-20 weeks of gestation.

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What type of cells are analyzed in CVS?

CVS involves analyzing cytotrophoblasts and trophoblasts, which are cells found in the chorionic villi.

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What type of cells are analyzed in Amniocentesis?

Amniocentesis involves analyzing amniocytes and dermal fibroblasts, which are found in the amniotic fluid.

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Are CVS and Amniocentesis safe?

While both procedures have risks, the rate of fetal loss associated with CVS and Amniocentesis is generally low.

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