Vitamin K antagonizes_____________?

Related Mcqs:

1. In humans and other primates as well as in guinea pigs, this vitamin cannot be synthesized because of the absence of the enzyme L-gulonolactone oxidase: the vitamin is_____________?

   A. Pantothenic acid
   B. Nicotinic acid
   C. Ascorbic acid
   D. Folic acid

2. Deficiency of vitamin A causes the following except_____________?

   A. Night blindness
   B. Corneal dryness
   C. Bitot’s spots
   D. Myopia

3. Active form of vitamin D in kidney is_____________?

   A. 1 dihydroxy cholecalciferol
   B. 25 hydroxy cholecalciferol
   C. 1,25 dihydroxy cholecalciferol
   D. 7 dihydroxy calciferol

4. Deficiency of which vitamin causes glossitis dementia roughed keratotic areas on skin and gastrointestinal symptoms ?

   A. Riboflavin
   B. Pyridoxine
   C. Niacin
   D. Pantothenic acid

5. Absorption of vitamin K requires normal absorption of_________________?

   A. Fat
   B. Amino acids
   C. Calcium
   D. Glucose

6. Deficiency of vitamin C causes the following except____________?

   A. Painful swollen gums
   B. Abnormal Collagen
   C. Anaemia
   D. Diarrhoea

7. Vitamin D_____________?

   A. Absorption requires bile pigments
   B. Synthesis is regulated at the reaction catalyzed by 15-hydroxylase
   C. Deficiency on adults leads to rickets
   D. Along with PTH, increases calcium resorption from bone

8. Vitamin C is present in largest amount in the body in____________?

   A. Eye
   B. Kidneys
   C. Testes
   D. Adrenal cortex

9. Which of the following is the poorest source of vitamin C ?

   A. Milk
   B. Cabbage
   C. Guava
   D. Radish

10. Vitamin B12 is_______________?

    A. Extrinsic factor of castle
    B. Intrinsic factor of castle
    C. Cyano cobalamine
    D. A fat soluble vitamin