Which characteristic must a compound have to accurately determine renal plasma clearance?

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Have a molecular weight less than 70,000Be attached to plasma proteinsUndergo tubular secretionBe fully filtered by the glomerulus

Explanation

To measure renal plasma clearance precisely, the substance should be completely filtered through the glomerulus without any reabsorption or secretion in the tubules. This ensures that clearance reflects glomerular filtration rate accurately.