What is the role of clavulanic acid when combined with ampicillin?

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Enhances activity against gram-negative bacteriaBlocks the action of beta-lactamase enzymesBoosts efficacy against organisms producing delta lactamaseImproves effectiveness against gram-positive bacteriaNone of the above

Explanation

Clavulanic acid functions as a beta-lactamase inhibitor, preventing the enzyme from breaking down ampicillin and thereby restoring its antibacterial activity.