Ob-gyne: The Bony Pelvis

21 Questions | Total Attempts: 1481

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Ob-gyne: The Bony Pelvis

Questions and Answers
  • 1. 
    Parts of the innominate bone, except:
    • A. 

      Ileum

    • B. 

      Ilium

    • C. 

      Ischium

    • D. 

      Pubis

  • 2. 
    The ff are joints of the pelvis, except
    • A. 

      Saccroiliac joints

    • B. 

      Saccrovertebral joint

    • C. 

      Saccrococcygeal joint

    • D. 

      Symphysis pubis

  • 3. 
    The ff statements are true, except:
    • A. 

      The pelvic diameter is greatest in the dorsal lithotomy position

    • B. 

      The pelvic joints relaxes during pregnancy due to hormonal changes

    • C. 

      The increase in diameter of pelvic inlet is allowed when the sacrum rotates posteriorly

    • D. 

      This laxity began to regress immediately after parturition and that regression was completed within 3 to 5 months

  • 4. 
    It is the landmark used in assessing the level to which the presenting part of the fetus has descended into the true pelvis:
    • A. 

      Iliac spines

    • B. 

      Ischial tuberosity

    • C. 

      Iliopectinate line

    • D. 

      Ischial spines

  • 5. 
    Roomiest plane of the pelvis:
    • A. 

      Plane of the pelvic inlet

    • B. 

      Plane of the pelvic outlet

    • C. 

      Plane of the midpelvis

    • D. 

      Plane of greatest pelvic dimension

  • 6. 
    Plane with the least pelvic dimensions:
    • A. 

      Plane of the pelvic inlet

    • B. 

      Plane of the pelvic outlet

    • C. 

      Plane of the midpelvis

    • D. 

      Plane of greatest pelvic dimension

  • 7. 
    Boundaries of the pelvic inlet:
    • A. 

      Sacral promontory

    • B. 

      Iliopectinate lines

    • C. 

      Pubic symphysis

    • D. 

      All of the above

  • 8. 
    True of the pelvic inlet:
    • A. 

      Obstetrical conjugate is the shortest AP diameter

    • B. 

      True conjugate is the shortest AP diameter

    • C. 

      Diagonal conjugate is the shortest AP diameter

  • 9. 
    Measured during pelvic examination:
    • A. 

      True conjugate

    • B. 

      Anatomic conjugate

    • C. 

      Obstetric conjugate

    • D. 

      Diagonal conjugate

  • 10. 
    The shortest AP diameter of the pelvic inlet:
    • A. 

      True conjugate

    • B. 

      Anatomic conjugate

    • C. 

      Obstetric conjugate

    • D. 

      Diagonal conjugate

  • 11. 
    Average length of the true conjugate:
    • A. 

      10 cm

    • B. 

      11 cm

    • C. 

      12 cm

    • D. 

      13 cm

  • 12. 
    Average length of the obstetric conjugate:
    • A. 

      10 cm

    • B. 

      11 cm

    • C. 

      12 cm

    • D. 

      13 cm

  • 13. 
    Average length of the diagonal conjugate:
    • A. 

      10 cm

    • B. 

      11 cm

    • C. 

      12 cm

    • D. 

      13 cm

  • 14. 
    A 22 y.o, G2P1 has 13 cm diagonal conjugate diameter. What are the lengths of the true and obstetric conjugates?
    • A. 

      11.8 cm and 11-11.5 cm

    • B. 

      11.5 cm and 11-11.8 cm

    • C. 

      11.5 cm and 11.5-11.8 cm

    • D. 

      11.8 cm and 11.5-11.8 cm

  • 15. 
    The interspinous diameter is:
    • A. 

      10 cm or more

    • B. 

      11.5 cm

    • C. 

      11 cm

    • D. 

      12 cm

  • 16. 
    The posterior sagittal diameter measures ___ in average
    • A. 

      3.5 cm

    • B. 

      4 cm

    • C. 

      4.5 cm

    • D. 

      5 cm

  • 17. 
    The ff. statements are true if midpelvic contraction is suspected, except:
    • A. 

      Ischial spines are less prominent

    • B. 

      Pelvic sidewalls are convergent

    • C. 

      Concavity of the sacrum is shallow

    • D. 

      Bi-ischial diameter of the pelvic outlet is less than 8 cm

  • 18. 
    AP diameter of the pelvic outlet:
    • A. 

      9.5-10 cm

    • B. 

      9.5-10.5 cm

    • C. 

      9.5-11 cm

    • D. 

      9.5-11.5 cm

  • 19. 
    4 basic types of pelvices:
  • 20. 
    Most prevalent pelvic type:
    • A. 

      Gynecoid

    • B. 

      Anthropoid

    • C. 

      Android

    • D. 

      Platypelloid

  • 21. 
    If the diagonal conjugate is greater than 11.5 cm, it is justifiable to assume that the pelvic inlet is of adequate size for vaginal delivery of a normal-sized fetus.
    • A. 

      True

    • B. 

      False

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