USMLE STEP 1 QUESTIONS WITH CORRECT ANSWERS

ASA and shortness of breath


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accumulation of leukotrienes




ongoing hepatocyte damage in patient with Hep C


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foreign peptide bound to MHC I recognized by CD8+


CD4+ do not cause damage

,inhibition of fatty acid oxidation


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malonyl-CoA




20/F with heavy menses and long bleed time


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von Willebrand diseasae




C. perfringens - necrotizing wound with crepitus


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a toxin




likelihood that patient with test has disease


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PPV - a/a+b

, additional findings in patient with Cushing - hypercortisol


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hypertension and muscle weakness




pineal tumor symptoms


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impaired upward gaze




28/M from Africa with bloody urine; bladder biopsy with chronic inflammation and
granulomas


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schistosmiasis




group at 5/50 has symptoms, group B 15/50 has symptoms, what is the absolute risk
reduction for group A


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(15/50)-(5/50) = 0.2