Orexigenic drugs are drugs that have which of this effect ? A) stimulate appetite B ) improve eyesight C)enhance taste D) disturb hearing function
An orexigenic, or appetite stimulant, is a drug, hormone, or compound that increases appetite and may induce hyperphagia. Therefore its Option A.
Since anorexia means loss of appetite, orexigenic means that which improves appetite. It's A.