Solution:

(a) Tranquilizers are neurologically dynamic medications. A few sedatives are antidepressants and the capacities by hindering the proteins which catalyze the corruption of noradrenaline. In the event that the protein is restrained, the synapse noradrenaline is gradually processed and would thus be able to actuate the receptor for longer periods there by checking the impact of discouragement. Sedatives structure a fundamental part of resting pills.