Obstetric Ultrasound Quiz
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Questions and Answers

When is Alpha-Fetoprotein Screening ideally performed?

  • Between 10 and 13 weeks of gestation
  • After 20 weeks of gestation
  • Before 10 weeks of gestation
  • Between 16 and 18 weeks of gestation (correct)

    • Which condition does AFP assessment aim to identify?

  • Hypertension
  • Fetal growth restriction
  • Placental insufficiency
  • Open body wall defects (neural tube defects) (correct)

    • What is the purpose of Multiple Marker Screening?

  • To detect chromosomal anomalies (correct)
  • To evaluate placental insufficiency
  • To assess fetal growth
  • To measure Doppler shift

    • At what point is Chorionic Villus Sampling typically performed?

    <p>Between 10 and 13 weeks’ gestation (C)</p> Signup and view all the answers

    Which marker has been added in Multiple Marker Screening to increase the detection of trisomy 18 and 21?

    <p>Unconjugated estriol (D)</p> Signup and view all the answers

    What is the main information obtained from Chorionic Villus Sampling?

    <p>Chromosomal defects, metabolic or DNA abnormalities (D)</p> Signup and view all the answers

    What are the danger signs of pregnancy mentioned in the text?

    <p>Leaking of fluid from the vagina and urinary frequency (B)</p> Signup and view all the answers

    Which symptom is NOT associated with preterm labor according to the text?

    <p>Persistent hiccups (D)</p> Signup and view all the answers

    What is a sign of preeclampsia as per the text?

    <p>Visual disturbances (A)</p> Signup and view all the answers

    What physical assessment is NOT typically done at a prenatal visit according to the text?

    <p>Eye examination (C)</p> Signup and view all the answers

    Which symptom might indicate a urinary tract infection (UTI) according to the text?

    <p>Severe backache (D)</p> Signup and view all the answers

    What could be a potential indicator of preterm contraction and/or labor based on the text?

    <p>Low abdominal pressure (D)</p> Signup and view all the answers

    What type of prenatal test is used to identify a variety of fetal and placental conditions?

    <p>Doppler ultrasound blood flow assessment (A)</p> Signup and view all the answers

    Which prenatal test involves the use of ultrasound to determine fetal sex?

    <p>Amniocentesis (D)</p> Signup and view all the answers

    Which test is used for antepartum fetal surveillance?

    <p>Nonstress test (NST) (D)</p> Signup and view all the answers

    What type of prenatal test screens for Alpha-fetoprotein?

    <p>Multiple marker screening (A)</p> Signup and view all the answers

    Which prenatal test involves a more invasive procedure for genetic testing?

    <p>Chorionic villus sampling (D)</p> Signup and view all the answers

    What does Doppler ultrasound blood flow assessment involve?

    <p>Evaluation of fetal heart rate and blood flow (D)</p> Signup and view all the answers

    What is the most significant risk associated with CVS compared to amniocentesis?

    <p>Higher risk of pregnancy loss (B)</p> Signup and view all the answers

    At what gestational age is the MATERAL SERUM ALPHA feto protein testing offered for women undergoing CVS?

    <p>9-12 weeks (D)</p> Signup and view all the answers

    What is the purpose of third trimester amniocentesis?

    <p>Fetal lung maturity assessment (C)</p> Signup and view all the answers

    Which procedure involves the aspiration of fetal blood from the umbilical cord near the placenta?

    <p>Percutaneous Umbilical Blood Sampling (C)</p> Signup and view all the answers

    What is another name for Percutaneous Umbilical Blood Sampling?

    <p>PUBS (C)</p> Signup and view all the answers

    What is the possible risk associated with CVS if performed between 9 and 12 weeks?

    <p>Minor nail or phalangeal hypoplasia (A)</p> Signup and view all the answers

    What is a reassuring sign in antepartum fetal surveillance?

    <p>FHR reactivity with accelerations (C)</p> Signup and view all the answers

    At what gestational age may FHR reactivity not develop until in the fetus?

    <p>32 weeks (C)</p> Signup and view all the answers

    What is the purpose of the Oxytocin challenge test?

    <p>To determine fetal heart response to uterine contractions (A)</p> Signup and view all the answers

    Which parameter is NOT included in the Biophysical Profile (BPP)?

    <p>Amniotic fluid index (D)</p> Signup and view all the answers

    What does the Contraction Stress Test (CST) evaluate?

    <p>Fetal heart response to uterine contractions (B)</p> Signup and view all the answers

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