Which statement distinguishes nephrotic edema from nephritic edema?

• A. Nephrotic edema is primarily due to decreased plasma oncotic pressure from hypoalbuminemia; nephritic edema is less marked and due to salt retention.
• B. Nephrotic edema is due to lymphatic obstruction; nephritic edema due to increased plasma volume.
• C. Nephritic edema is due to decreased oncotic pressure; nephrotic edema due to salt retention.
• D. Both due to the same mechanism of increased vascular permeability.

Answer: (A)