NBME CBSE ACTUAL TEST QUESTIONS AND ANSWERS COMPLETE UPDATE

NBME CBSE ACTUAL TEST QUESTIONS AND ANSWERS 2023 -2024 COMPLETE UPDATE 62 year old woman - osteoporosis - a bisphosphonate is prescribed. The ex pected beneficial effe ct of the drug is due to which of the following? -Answer= Dec reased Osteoclast Activi ty Cohot Study of elderly women - relative risk ratio for hip fractures among those who exercis e regularly is 1.2 (95% confidence interval of 1.1 to 1.8). Which of the following is the conclusion ab out the effect of exercise on the risk of hip fract ure? -Answer= Statistically Significant Overall Increase Risk 52 year old man goes to ER with chest pain radiating to his jaw w hile shoveling snow. Pulse is 80/min and blood pressure is 130/70. The most immediate treatment mechanism of actio n? - Answer= 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 incre ased activ ity of which? -Answer= a. Vascular Endothelial Growth F actor VEGF - stimu lates angiogenesiss . TYPE III Collagen = Blood Vessels - early wound repair 27 year old man- MVC - skull x -ray shows a linear, nondepressed basal skull fracture - increas ed serum osm and decreased urin osm. Follo wing desmopressin urine osm increases. Desmopre ssin's effect is due to the activation of which of the following? -Answer= a. Adenylyl Cyclase Adenylate Cyclase - ATP - CAMP -- PROTEKINASE A -- Ca v2 A 10 mont h 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 agent most likely has which of the following properties? -Answer = Mediation of Cell Entry via a fusion protein A 17 year old girl in ED - 15 minutes after being stung by a bee. Mild light headedness but no difficulty swallowing - Bilateral wheezing - Which is most appropriate pharmacotherapy for this patient? -Answer= B2- Agonist 14 year old boy - 2 day history of sore throat and fever that peaks in late afternoon. 1 week of fatigue. He recentaly had sex with one partner. Physical exam show cervical lymphadenopathy and pharyngeal erythema with a creamy exudate. DX? -Answer= Infectious Mononucl eosis 57 year old man - radiation therapy for squamous cell carcinoma of the lung. Despite therapy, tumor increases in size and he dies 6 months later. The progressive tumor growth is due to a defect in cell cycle arrest in wh ich of the following phases of cell cycle? -Answer = G1 28 year old - lived in sub-Saharan Africa - until he came to the US. Temp of 100.4 - imaging show s bilateral hydroureter and hydronephrosis. Biopsy shows marked fibrosis and scattered granulomas. DX? -Answer= Schistosomia sis A couple with a family history of a-thalassemia. Woman has one gene deletion and man has two gene deletion. If the two gene is trans - what percenta ge of offspring will have a two gene deleti on? -Answer= 50% previously healthy 40 year brought to emergency department by her husband - 2 day history of fever, lethargy, confusion. PE shows scattered petechi ae and ecchymoses over the lower extremities - 3+ polychromasia a nd 3+ schistocytes and Low platelets Dx? -Answer= Thrombotic Thr ombocyto penia Purpura 16 year old boy - is admitted to the ER because of a knife wound to the left side of his chest. An X- ray of the chest shows an air-fluid level in the left side of the chest, partial collapse of the left lung, and the elevation of the stomach bubble. The mediastinum is midline. DX? -Answer= Hemopneumpothorax under tension 49 year old woman - coronary artery disease - BP 140/90 - High Choles terol, High LDL (190), High triglycerides (350) - TX with atorvastatin and losartan. What are the effects on HDL and Triglycerides? -Answer= HDL increas ed Triglycerides Decreas ed 73 yeare old - diffuse weakness and tingling of her arms and legs. Sens ation and vibration and position is decreased in all extremities. What vitamin deficiency? -Answer = Vitamin B12 - (cyanocobalamin) Tea and Toast - low B12 in diet 15 year old girl - 3 month history of acne - which is the underlying cause of the patients acne? - Answer= Stimulation of Sebaceous Glands by androgens b. ACNE = Propionibacterium ACNE 4 year old from Brazil - PE shows single 12x10cm lesion in the right side of jaw with diffuse regular edges. Photomicrographs of an incisional biopsy (looks like Burkitts Lymphoma/ Starry night) - which of the processes most likely to occur in the region indicated by the arrow? -Answ er= Apoptosis b. Endemic Burkitt lymphoma can happen in Brazil as well as Africa (jaw lesion, puffy face).