If the pH of an area is lower than normal body pH, the membrane theory of local anesthetic action predicts that the local anesthetic activity would be

Less, owing to a decrease in the free-base form of the drug

None of the above

Less, owing to an increase in the free-base form of the drug

Greater, owing to an increase in the cationic form of the drug

Greater, owing to an increase in the free-base form of the drug