<prompt> M.C. psychological features of AIDS isManiaDepressionSuicidal TendencyViolence  <response>: B i.e. Depression Depression is most common psychological feature in: AIDSQ Post paumQ Post myocardial infarctionQ Post surgery Myxedema OCN leads to secondary depressionQ Pseudo dementia Nihilistic delusions are seen in depressionQ. 