Correct Answer - C
Drugs which are used for the treatment of stress, fatigue, mild and severe mental diseases are called tranquilizers.
They relieve anxiety, stress irriability or excitement by inducing a sense of well being.
Following are examples of tranquilizers:
Iproniazd, phenelzine (nardil), meprobamate, chlordiaepoxide, equanil, veronal, amytal, nembutal, luminal, serotonin and valium (Diazepam)
