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 ________.
1) greater, owing to an increase in the free-base form of the drug
2) greater, owing to a decrease in the free-base form of the drug
3) less, owing to an increase in the free base form of the drug
4) less, owing to a decrease in the free base form of the drug
