Medicine What are these crystals that were aspirated from the bursa of an elbow of a patient with rheumatoid arthritis? A Cholesterol B Calcium apatite C Calcium oxalate D Calcium pyrophosphate dihydrate 💡 Explanation What are these crystals that were aspirated from the bursa of an elbow of a patient with rheumatoid arthritis? ✓ Correct Answer: A. Cholesterol