Social & Preventive Medicine Urine dipstick shows result +3. What’s the value of protein appearing in mg/dl in urine is: A 100 mg/dL B 300 mg/dL C 1000 mg/dL D 3000 mg/dL 💡 Explanation Urine dipstick shows result +3. What's the value of protein appearing in mg/dl in urine is: ✓ Correct Answer: B. 300 mg/dL