Anti RO antibodies are seen in -
Ans. is 'a' i.e., Subacute cutaneous lupus Anti-RNP SS-A (Ro), SS-B (La) are seen in neonatal lupus with congenital hea block and in subacute cutaneous lupus.These antibodies are associated with decreased risk of lupus nephritis.
Subacute cutaneous lupus
Myasthenia gravis
Systemic sclerosis
Mixed connective tissue disorder