Arterial Abnormalities Pt2-mesenteric Ischemia, Ras, Hepatic Rejection

42 Questions | Total Attempts: 44

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Blood Vessels Quizzes & Trivia

Questions and Answers
  • 1. 
    Mesenteric Ischemia is also known as ____________ _____________
  • 2. 
    Mesenteric Ischemia results from...
    • A. 

      Aneurysm

    • B. 

      Lack of adequate blood supply to the intestinal tract due to vascular compromise

    • C. 

      Influx of blood to the intestinal tract

    • D. 

      Lack of adequate blood supply to the stomach

  • 3. 
    To be considered mesenteric ischemia, there must be a hemodynamically significant stenosis or occlusion of at least ____(#) of the _____(#) mesenteric arteries.
    • A. 

      1, 2

    • B. 

      2, 3

    • C. 

      2, 4

  • 4. 
    The mesenteric arteries studied to diagnose mesenteric ischemia are...
    • A. 

      SMA, IMA

    • B. 

      CA, SMA, CBD

    • C. 

      SMA, GDA, IMA, CA

    • D. 

      CA, SMA, IMA

  • 5. 
    The main cause of chronic mesenteric ischemia is...
    • A. 

      Atherosclerosis

    • B. 

      Hypertension

    • C. 

      Embolism occluding the arteries

  • 6. 
    The main cause of acute mesenteric ischemia is...
    • A. 

      Aneurysm

    • B. 

      Embolism occluding the arteries

    • C. 

      Atherosclerosis

  • 7. 
    Check any risk factors associated with mesenteric ischemia
    • A. 

      H/o smoking

    • B. 

      CAD

    • C. 

      Diabetes

    • D. 

      Chronic renal insufficiency

  • 8. 
    Chronic mesenteric ischemia is ____________ to diagnose because presenting symptoms are ___________
    • A. 

      Easy, only associated with mesenteric ischemia

    • B. 

      Hard, vague and closely related to other abdominal diseases

  • 9. 
    Some presenting factors of chronic mesenteric ischemia are...
    • A. 

      Post- prandial pain

    • B. 

      Pre-prandial pain

    • C. 

      Weight loss

    • D. 

      Weight gain

    • E. 

      Epigastric bruit

  • 10. 
    A catastrophic event necessitating immediate diagnosis and surgical intervention is..
    • A. 

      Acute mesenteric ischemia

    • B. 

      Chronic mesenteric ischemia

  • 11. 
    ________________ is the primary diagnostic tool to demonstrate suspected acute mesenteric ischemia.
    • A. 

      MRI

    • B. 

      Angiography

    • C. 

      Sonography with doppler

  • 12. 
    The examination to r/o mesenteric ischemia should be done after the patient has...
    • A. 

      Fasted for 4 hours

    • B. 

      Fasted overnight

    • C. 

      No fasting is necessary

  • 13. 
    Mesenteric Ischemia-Each vessel should be scanned _______________, with close attention given to their ______________ portions, where stenotic lesions are most often found.
    • A. 

      Transversly, distal

    • B. 

      Throughout its length, proximal

    • C. 

      Thoroughly, bifurcation

  • 14. 
    What should be used during an US exam to r/o mesenteric ischemia?
    • A. 

      Color

    • B. 

      Spectral Doppler

    • C. 

      A and B

    • D. 

      None of the above are needed

  • 15. 
    In a pre-prandial state, spectral doppler analysis of the normal SMA should reveal a _________________ wave form.
    • A. 

      Low resistance

    • B. 

      High resistance

  • 16. 
    A _____________________ wave form has a sharp rise and fall in systole
    • A. 

      High resistance

    • B. 

      Low resistance

  • 17. 
    In a pre-prandial state, during  early _____________ there is flow reversal and then little to no flow following for the rest of _____________.
    • A. 

      Diastole, systole

    • B. 

      Systole, diastole

    • C. 

      Systole, systole

    • D. 

      Diastole, diastole

  • 18. 
    In a post- prandial state, normal blood flow has a _______________ pattern.
    • A. 

      Low resistance

    • B. 

      High resistance

    • C. 

      Normal

  • 19. 
    In a post- prandial state, there is a(n) ______________ flow in systole and diastole.
    • A. 

      Decreased

    • B. 

      Increased

    • C. 

      Remains the same

  • 20. 
    The SMA velocity ______________ approx. every 15 minutes after a meal
    • A. 

      Triple

    • B. 

      Double

    • C. 

      Decrease by 1.5

  • 21. 
    The SMA velocity _________________, _______ minutes after a meal
    • A. 

      Triple, 30 minutes

    • B. 

      Increase 2.5 times, 20

    • C. 

      Increase 2.5 times, 45

  • 22. 
    In the celiac axis, velocities...
    • A. 

      Do not fluctuate

    • B. 

      Double, but are not as dramatic as the SMA

    • C. 

      Increase dramatically

  • 23. 
    Mesenteric Ischemia-In a significant stenosis, even in a fasting state, diastolic flow will be _____________ and systolic flow will be ________________.
    • A. 

      Decreased, higher

    • B. 

      Increased, lower

    • C. 

      Increased, even higher

  • 24. 
    Peak systolic velocities ____________ in the SMA and ____________ in the CA indicates a stenosis ____________
    • A. 

      >200 cm/s, >275 cm/s, >65%

    • B. 

      >275 cm/s, >200 cm/s, >70 %

    • C. 

      200 cm/s, >65%

  • 25. 
    On a complete occlusion, there will be..
    • A. 

      A strong doppler signal detected on the vessel

    • B. 

      No doppler signal detected on the vessel

    • C. 

      A moderate signal

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