USMLE Step 2 CK (With Complete Solution) 2023/2024

USMLE Step 2 CK (With Complete Solution) 2023/2024 1.An 89 yo M is brought to the ED from a nursing home. He is described by staff as being “out of it” for the past 2 days. Vital signs on admission are a temp of 103, BP 90/65, HR 107 bpm, RR 32. CBC is notable for-WBC Count 95k, HCT-15%, Plt-37. PE is notable for fullness on palpation of the left and right upper quadrants. He recently recovered from a mild upper respiratory infection. After initiating broad spectrum antibiotic therapy, further testing of this patient will reveal? a. Atypical T lymphocytes on a blood smear. b. B Cells with Reed Sternberg morphologies. c. Hypersegmented neutrophilia. d. CD5+ B lymphocytes with weakened cell membranes. e. Epithelial cells with intranuclear inclusions. 2.A 44 yo M comes to his PCP for an annual physical. He appears to be in good health but is worried about losing his job. His colleagues have noticed him falling asleep and snoring on multiple occasions over the last few months. BP is 145/85, HR 87 bpm, RR 16, WBC 7500, HCT 45%, BMI 32. He receives an influenza vaccine and is referred to a respiratory specialist for a sleep study. Further testing would most likely reveal? a. An elevated pulmonary capillary wedge pressure. b. Hyperchloremic, high anion gap metabolic acidosis. c. Severe hypocapnia. d. Reduced levels of erythropoietin. e. Compensated metabolic alkalosis.