1 Explain the use of the therapeutic ratings system in determining whether 1 drug can be appropriately substituted for another of the same therapeutic class.  Define some appropriate and inappropriate substitutions for commonly prescribed antihypertensive agents.
Definition and Statement of the Law: The law of diminishing marginal utility describes a familiar and fundamental tendency of human behavior. The law of diminishing marginal utility states that: As a consumer consumes more and more units of a specific commodity, the utility from the successive units goes on diminishing. Mr. H. Gossen, a German economist, was first to explain this law in 1854.
Marginal Utility (MU): Definition and Explanation: Marginal utility means an additional or incremental utility. Marginal utility is the change in the total utility that results from unit one unit change in consumption of the commodity within a given period of time. For example, when a person increases the consumption of eggs from one egg to two eggs, the total utility increases from 30 utils to 45 utils.