This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary tract, Subject name: Pathology
Microalbuminuria is defined as protein levels of- 
Select and explain. 
A. 100-150 mg/L, B. 151-200 mg/L, C. 201-300 mg/L, D. 301-600 mg/L
A: 100-150 mg/L
Answer: A: 100-150 mg/L 
Explanation: Types of Proteinuria The following five types of proteinuria are distinguished by milligrams (mg) of protein measured during a 24-hour urine collection: Microalbuminuria (30-150 mg) Mild (150-500 mg) Moderate (500-1000 mg) Heavy (1000-3000 mg) Nephrotic range (more than 3500 mg) As kidney disease progresses, more protein enters the urine. People with nephrotic-range proteinuria typically have extensive glomeruli damage and usually, develop nephrotic syndrome. www.healthcommunities.com