Monday, March 16 Question of the Day NAVLE® Clinical Sciences VTNE® VTNE® NAVLE® Clinical Sciences VTNE® What is another name for struvite crystals in the urine? Magnesium ammonium phosphate Calcium carbonate Amorphous phosphate Urate monohydrate Calcium oxalate monohydrate Submit Answer Correct. You chose {selectedText}. Incorrect. You chose {selectedText}, but the correct answer is {correctText}. Struvite crystals are magnesium ammonium phosphate, also called triple phosphate crystals. Follow this link to see struvite stones after surgical removal. Calcium oxalate DIhydrate crystals (like little square diamonds) can be found in normal urine. Calcium oxalate MONOhydrate crystals (look like lozenges) can sometimes be seen in animals with antifreeze toxicity (ethylene glycol). Amorphous phosphate looks like granular precipitate, found in alkaline urine. Calcium carbonate has wheel-like shape and often appears in healthy horse’s urine. More VTNE® Questions March 17, 2026 March 13, 2026 March 12, 2026 March 11, 2026 Browse All Questions Get Started with ZukuReview VTNE® Plans starting at $160 For graduates of accredited veterinary technology programs. Test Prep Put your knowledge to the test Get a visual practice question delivered to your inbox daily. Sign Up