If a dipstick detects protein but albumin is not detected by other methods, what is the clinical significance?

• A. Dipstick mainly detects albumin; non-albumin proteins may not be detected, leading to potential false negatives when non-albumin proteins predominate.
• B. Dipstick detects all proteins equally.
• C. This indicates sample contamination.
• D. There is no clinical significance.

Answer: (A)