Multiple Gestations (Part 1) For Ob/GYN Quiz On 4/1/11

24 Questions | Total Attempts: 56

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GYN Quizzes & Trivia

Questions and Answers
  • 1. 
    ___________ refers to how many ova are fertilized and implant.
  • 2. 
    ___________ refers to the number of chorions or placentas.
  • 3. 
    ____________ refers to the number of amniotic sacs.
  • 4. 
    Twins that arise from two separate ova, fertilized by separate sperm cells are called ____________ twins or ____________ twins.
  • 5. 
    Dizygotic twins always have two ____________ and two ____________.
  • 6. 
    Dizygotic twin pregnancies have the ___________ (most or least?) complications and account for approx. _____(#) percent of all twins.
  • 7. 
    Some predisposing factors associated with dizygotic twinning include:
    • A. 

      Race

    • B. 

      Assisted reproduction (infertility agents)

    • C. 

      Paternal family history

    • D. 

      Recent cessation of long term oral birth control

    • E. 

      Maternal age (35-40)

    • F. 

      Maternal family history

    • G. 

      Multiparity

    • H. 

      Maternal history of twinning

    • I. 

      Paternal history of twinning

  • 8. 
    The easiest time to differentiate monozygotic from dizygotic twins is ___________  ____________.
  • 9. 
    Fraternal twins are identical twins.
    • A. 

      True

    • B. 

      False

  • 10. 
    Fraternal twins can be same sex or opposite sex.
    • A. 

      True

    • B. 

      False

  • 11. 
    Multiple gestations are associated with elevated ____________ levels.
  • 12. 
    Twins that arise from a single ovum, fertilized by a single sperm are called ____________ twins or ____________ twins.
  • 13. 
    Monozygotic twins can be same sex or opposite sex.
    • A. 

      True

    • B. 

      False

  • 14. 
    The "most" common type of monozygotic twins that account for 70% of the monozygotic twins is:
    • A. 

      Dichorionic / diamniotic

    • B. 

      Monochorionic / diamniotic

    • C. 

      Monochorionic / monoamniotic

  • 15. 
    The "most dangerous" type combination associated with twinning is:
    • A. 

      Monochorionic / monoamniotic

    • B. 

      Dichorionic / diamniotic

    • C. 

      Monochorionic / diamniotic

  • 16. 
    Monozygotic twins account for _____(#) percent of all twins.
  • 17. 
    Monozygotic twins are not hereditary.  Assisted reproduction is the only predisposing factor.
    • A. 

      True

    • B. 

      False

  • 18. 
    The __________ of __________ from the point of conception is what determines amnionicity and chorionicity.
  • 19. 
    Dichorionic / Diamniotic: Zygote divides in the first ____(#) to ____(#) days.
  • 20. 
    Monochorionic / Diamniotic: Zygote divides between day ____(#) to ____(#) post conception.
  • 21. 
    Monochorionic / Monoamniotic: Zygote divides after day ____(#) resulting in 2 embryos, a single amnion, and a single chorion.
  • 22. 
    One placenta has increased risk for ____________ complications due to shared circulation.
  • 23. 
    The associated risks for multiple gestations include:
    • A. 

      Placental abruption

    • B. 

      IUGR

    • C. 

      Vasa previa

    • D. 

      Premature labor

    • E. 

      PROM

    • F. 

      Pregnancy induced hypertension, preeclampsia

  • 24. 
    Sonographic protocol for examination of multiple gestations include:
    • A. 

      Serial ultrasound exams every 3 to 4 weeks to verify growth

    • B. 

      Document fetal heart rate

    • C. 

      Identify number of fetuses present

    • D. 

      Label presenting fetus

    • E. 

      Identify presence of membrane

    • F. 

      Determine number and location of placenta(s)

    • G. 

      Identify fetal lie in pregnancy

    • H. 

      Determine separation

    • I. 

      Determine gender: if different it's dizygotic

    • J. 

      Biometry of both fetuses, fetal survey of both fetuses

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