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Multiple Choice

In ethylene glycol poisoning, which calcium oxalate form is commonly found in urine?

Ethylene glycol is metabolized into oxalic acid, which binds calcium and precipitates as calcium oxalate crystals in the urine. Among the calcium oxalate forms, the monohydrate type is the one typically seen in this poisoning scenario. This crystal form is especially associated with ethylene glycol exposure and helps explain the renal injury that often accompanies the poisoning, as crystals can deposit in the renal tubules. The other crystals listed arise from different conditions and are not characteristic of ethylene glycol poisoning.

Ethylene glycol is metabolized into oxalic acid, which binds calcium and precipitates as calcium oxalate crystals in the urine. Among the calcium oxalate forms, the monohydrate type is the one typically seen in this poisoning scenario. This crystal form is especially associated with ethylene glycol exposure and helps explain the renal injury that often accompanies the poisoning, as crystals can deposit in the renal tubules. The other crystals listed arise from different conditions and are not characteristic of ethylene glycol poisoning.