Right choice is (a) Euphoria
The best explanation: Short term effects of heroin are in the central nervous system it will create euphoria, alternately alert and drowsy state. The mouth become dry, warm flushing skin and the muscle becomes weak, slowed breathing. The long-term effect of heroin is such as addiction, tolerance, dependence, the addicted person will have collapsed veins, infection of heart lining and valves, the liver will have decreased function.