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Unknown Practice MCQs

Browse 3,729 high-yield clinical questions in Unknown. Includes detailed explanations, options, and topic tags.

#2324 Integrated QBank

A 80-year-old male presented with acute shoness of breath. His SpO2 levels were 80%. He was immediately intubated and shifted to the ICU and put on the ventilator. He was a chronic smoker and a known case of COPD for the past 5 years. He was staed in empirical antibiotics. Initial culture tests were negative. After 9 days, he developed ceain lesions in the lungs along with high grade fever. A bronchoalveolar lavage was done and sent for gram staining. The organism isolated was a multi-drug resistant organism. Biochemical reactions revealed oxidase positive and did not ferment any sugars. The organism isolated is resistant to all antibiotics except: -

#2335 General

A 50-year-old lady presented with a 3-month history of pain in the lower third of the right thigh. There was no local swelling; tenderness was present under deep pressure. Plain X-rays showed an ill-defined intramedullary lesion with blotchy calcification at the lower end of the right femoral diaphysis, possibly enchondroma or chondrosarcoma. Sections showed a cartilaginous tumor. Which of the following histological features (if seen) would be most helpful to differentiate the two tumors?

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