All are sources of free radicals except -: (A) Fentons reaction, (B) Glutathione, (C) Myeloperoxidase, (D) Nitric oxide
Answer is B. Harshmohan textbook of pathology 7th edition. Reduced glutathione protects RBCs against oxidant stress produced by the oxygen free radicals. MPO, Fenton reaction produce oxygen free radicals. NO is a free radical..