In the given pharmacodynamic curve, point A corresponds to:
Correct Answer: ED50
Description: Ans. (C) ED50 Quantal DRC is employed for conditions where there is all or none response. It is used to calculate median effective dose (ED50 ) and median lethal dose (LD50 ). ED50 is the dose at which 50 percent of the recipient gets the desired (or undesired) action. It is calculated from the quantal DRC as shown in the figure. The same point in graded DRC corresponds to potency of the drug.
Category:
Pharmacology
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