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NBME CBSE ACTUAL TEST QUESTIONS AND ANSWERS (Testbank with all the correct answers) (USMLE step 1) Medical examination 2000+ Questions

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62 year old woman - osteoporosis - a bisphosphonate is prescribed. The expected beneficial effect of the drug is due to which of the following? - ✔✔Decreased Osteoclast Activity Cohot Study of e ... lderly women - relative risk ratio for hip fractures among those who exercise regularly is 1.2 (95% confidence interval of 1.1 to 1.8). Which of the following is the conclusion about the effect of exercise on the risk of hip fracture? - ✔✔Statistically Significant Overall Increase Risk 52 year old man goes to ER with chest pain radiating to his jaw while shoveling snow. Pulse is 80/min and blood pressure is 130/70. The most immediate treatment mechanism of action? - ✔✔Increased nitric oxide concentration 24 year old woman - spilled hot grease on her left leg while working at a fast-food restaurant. Exam of leg shows 7cm pink, soft, granular, edematous wound. The formation of this tissue was most likely caused by increased activity of which? - ✔✔a. Vascular Endothelial Growth Factor VEGF - stimulates angiogenesiss. TYPE III Collagen = Blood Vessels - early wound repair 27 year old man- MVC - skull x-ray shows a linear, nondepressed basal skull fracture - increased serum osm and decreased urin osm. Following desmopressin urine osm increases. Desmopressin's effect is due to the activation of which of the following? - ✔✔a. Adenylyl Cyclase Adenylate Cyclase - ATP - CAMP -- PROTEKINASE A -- Ca v2 A 10 month old boy - 4 day history of fever and cough. He attends day care center. Chest exam shows intercostal retractions along with bilateral, diffuse wheezes and expiratory rhonchi. The infectious agen [Show More]

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