![]() Which of the following clotting factors is the first to be decreased by 50% after the initiation of therapy?Ī 26-year-old woman comes to the physician 5 weeks after the birth of her first child. Laboratory studies show a prothrombin time of 12 seconds. Physical examination shows no abnormalities. Repeat ESR if normal, additional testing to confirm the diagnosis of TAĪ 62-year-old woman with recurrent pulmonary emboli comes to the physician for a follow-up examination. Repeat ESR if again positive, corticosteroid therapy Based on the results of the ESR testing in this patient, which of the following is the most appropriate next step in management?Īdditional testing to confirm the diagnosis of TAĬorticosteroid therapy, since the diagnosis of TA has been established with 99% certaintyĮlimination of TA from further diagnostic consideration In the evaluation of TA, ESR has a sensitivity of 99% and a specificity of 60%. The pretest probability for TA is 50% in this patient. Treatment of TA involves the use of glucocorticoids, which could have serious adverse effects. Her erythrocyte sedimentation rate (ESR) is 100 mm/h. ![]() Which of the following best describes this mechanism of transport?Īn 80-year-old woman is being evaluated for suspected temporal arteritis (TA). No energy is necessary for uptake, and the compound is not concentrated in the cell. ![]() * NBME 17,plz help and give explanation,tks!!Ī new compound is taken up by bacterial cells. ![]()
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