Umbilical Cord Part 1

36 Questions | Attempts: 172
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Umbilical Cord Quizzes & Trivia

Questions and Answers
  • 1. 
    The umbilical cord is first visible sonographically at approximately ___(#) weeks gestation and appears as a __________, ____________ structure.
  • 2. 
    The umbilical cord normally contains two _____________ and one ______________, both surrounded by ________________ ________________.
  • 3. 
    Wharton's jelly is a gelatinous ______________ ______________ within the umbilical cord.
  • 4. 
    It protects the umbilical vessels from being ______________ or _______________. It also acts as a ________________.
  • 5. 
    The umbilical vein carries __________________ blood from ______________ to _______________
    • A. 

      Oxygenated, fetus, placenta

    • B. 

      Deoxygenated, fetus, placenta

    • C. 

      Oxygenated, placenta, fetus

  • 6. 
    __________ umbilical artery(ies) carry __________________ blood from the ______________ to the _______________.
    • A. 

      Two, oxygenated, fetus, placenta

    • B. 

      Two, deoxygenated, fetus, placenta

    • C. 

      One, deoxygenated, placenta, fetus

  • 7. 
    The cord usually attains a final length of ...
    • A. 

      50-60 cm at 28 weeks

    • B. 

      45-55 cm at 35 weeks

    • C. 

      20-30 cm at 25 weeks

  • 8. 
    Short cords are usually associated with ____________ ____________ defects.
  • 9. 
    Diameter of cord is normally less that ____(#) cm
  • 10. 
    Unusually long cord is associated with...
    • A. 

      Prolapse

    • B. 

      Abdominal wall defects

    • C. 

      Nuchal cord

    • D. 

      Cord knots

    • E. 

      Oligohydramnios

  • 11. 
    The umbilical cord is best visualized in mid-_____________ trimester and early ______________ trimester, when amniotic fluid is at its _____________.
  • 12. 
    Due to the extreme length of the cord is is UNLIKELY to scan it in its entirety.
    • A. 

      True

    • B. 

      False

  • 13. 
    It is not so important to visualize the placental insertion site of the cord, as long as the entry site into the fetus is seen.
    • A. 

      True

    • B. 

      False

  • 14. 
    Visualization of the cord's insertion into the fetus helps to rule out ______________.
  • 15. 
    The presence of _________ vessels within the cord should be documented.
  • 16. 
    Check all abnormalities that should be noted while scanning the umbilical cord... Any abnormalities in cord size, position, or abnormal attachment sites to the placenta should be noted
    • A. 

      Cord size

    • B. 

      Position

    • C. 

      Abnormal attachment to placenta

  • 17. 
    Another method of visualizing the umbilical cord is to use ______________ to look for two arteries as they coarse around the fetal _____________.
  • 18. 
    What should be documented sonographically?
    • A. 

      Number of vessels

    • B. 

      Cord insertion into fetal abdomen

    • C. 

      Cord insertion into placenta

    • D. 

      Any abnormal attachments

  • 19. 
    Transverse images through the cord reveal ___________ circles, representing the larger ___________ and __________ smaller ____________.
  • 20. 
    Longitudinal images reveal a series of ________________ linear echoes within the amniotic fluid. When several portions of the cord are folded on top of one another a "__________ ________ __________" appearance is seen.
  • 21. 
    Single umbilical artery, aka ___________ ______________ ______________,
  • 22. 
    What is the most common abnormality of the umbilical cord, seen in approximately 1% of all pregnancies.
  • 23. 
    The cause of single umbilical artery is probably _____________ of a previous normal artery.
  • 24. 
    Pre-natal diagnosis of SUA should prompt examination for other ____________.
  • 25. 
    Currently, there is no definite correlation between SUA and any specific type or pattern of anomalies.
    • A. 

      True

    • B. 

      False

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