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    kimmy456 is offline Newbie 510 points
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    Arteriography of a patient's left renal artery shows narrowing of the radius of the artery by 25%. What (approximately) is the expected change in the resistance of the stenotic artery?
    1. Increase 2 fold
    2. Increase 4 fold
    3. Increase 8 fold
    4. Increase 16 fold
    5. No change

  2. #2
    MedSchoolDreamer is offline Newbie 510 points
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    You use Poiseuille's Equation. The answer is increase 16 fold

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    kimmy456 is offline Newbie 510 points
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    Thank you very much!

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