Pharmacology General 91ccf590 Resistance to methicllin is acquired by: A Increased B-lactamase production B Induction of channels that pump out the drug C Alteration in penicillin binding protein D Decreased absorption of drug in the gut High-Yield Explanation Methicillin, Nefcillin, oxacillin are B lactamse resistant penicillins. Resistance can occur only if there is alteration of penicillin binding protein.