Nihilistic delusions are?

Ans is 'c' i.e. False belief that world is about to end Nihilistic delusions* False belief that oneself, others or the world is non-existent or about to end. There are pessimistic ideas that the patient's career is finished, he is about to die, world is doomed. These occur in severe depression.* If nihilistic delusions are accompanied by ideas concerning bodily function failure, e.g., putrefaction of intestines, etc., the syndrome is called COTARD's SYNDROME.Other options* False feeling of remorse of guilt - Delusion of self accusation or guilt* False belief about severe medical illness - Hypochondriacal delusions* False belief that one is infested with small but visible organisms - Delusion of infestations (Ekbom syndrome)