The fоllоwing stаtements аre true regаrding pоtency of the drug: 1. The relation between dose and potency is directly proportional2. The lower the EC50, the less the concentration of a drug is required to produce 50% of maximum effect and the higher the potency.3. Is a measure of the amount of drug required to elicit a response4. Potency is measured in milligrams 5. Is not an indication of the total response of drug-receptor interaction