A lady presented with fatigue and tingling sensation in both hands and legs. On examination, she is found to have a fissured red tongue, lesions at angle of mouth and peripheral neuropathy with a decreased RBC glutathione reductase activity. What is the likely deficient vitamin?
(A) Riboflavin (B) Vitamin B12 (C) Thiamine (D) Vitamin B6
(A) Answer- A. RiboflavinClinical Manifestations of Riboflavin deficiency:Cheilosis, glossitis, lingual desquamation seborrheic dermatitisKeratitis, conjunctivitis, corneal vascularisation