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Surgery Practice MCQs

Browse 17,732 high-yield clinical questions in Surgery. Includes detailed explanations, options, and topic tags.

#2758 CNS Tumors

Mark the true and false statement about brain tumors: 1. Most common primary brain tumor is astrocytoma 2. Radiation exposure & genetic abnormalities are the risk factors 3. MEN-2 and NF-1 increases the risk 4. Three cardinal symptoms are seizures, raised ICT & focal neurological deficit 5. Dexamethasone reduces peritumoral edema 6. Primary goals of surgery includes histologic diagnosis & reduction of mass effect 7. Anti-epileptics for tumors close to sensorimotor strip 8. Craniospinal irradiation for tumors associated with CSF spread

#2760 Wounds, Tissue Repair & Scars

A 67-year-old man with severe ARDS is receiving pressure assisted control ventilation. He is requiring an FiO2 of 100% to maintain the following blood gas levels: pH=7.26, PCO2=60, PO2=58. You decide to put the patient in prone position. Fifteen minutes later, on the same vent settings, the patient's tidal volume is now decreased and his blood gas values are pH=7.09, PCO2=76, PO2=89. He is hemodynamically unchanged and his chest x-ray (CXR) is also unchanged. The most likely cause of his worsening respiratory acidosis in the prone position is

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