why is the answer both a and d in this question? I thought it was only a:
Which of the following regarding dose-response curves is false?
- A higher ED50 is associated with greater potency
- Therapeutic index (TI) is calculated by dividing the TD50 by the ED50
- At Emax all receptors are assumed to be saturated
- Reversible competitive antagonists prevent a drug from reaching Emax inthe presence of excess agonist
- Both A and D