Medical Mcqs

Vitamin B12 is_______________?
  • (A)  Extrinsic factor of castle
  • (B)  Intrinsic factor of castle
  • (C)  Cyano cobalamine
  • (D)  A fat soluble vitamin
Ascorbic acid_____________?
  • (A)  Is a reducing agent
  • (B)  Decrease iron absorption
  • (C)  Is harmless in high doses
  • (D)  Is requirement for lysyl oxidase