Class 12 NEET Biology Human Health and Diseases Questions Part 1

(a): Tranquillisers are drugs that have good effect in all types of psychosis, especially in schizophrenia. In a psychotic patient, these drugs reduce aggressiveness, thoughts and behaviour are gradually normalized and anxiety is relieved, e.g., reserpine which is an alkaloid extracted from the roots ofRauwolfia serpentina. Higher doses of it can cause sedation and mental depression, Cocaine is a stimulant. Morphine is an opiate narcotic. Bhang is a hallucinogenic.