Vitamin D_____________?

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. Which vitamin is synthesized by intestinal bacteria ?

   A. Vit B
   B. Vit A
   C. Vit D
   D. Vit K

3. Specific disease caused by vitamin B1 deficiency_______________

   A. Pellagra
   B. Angular cheilitis
   C. Megaloblastic anemia
   D. Peripheral polyneuritis

4. Vitamin K antagonizes_____________?

   A. Corticosteroids
   B. Thrombin formation
   C. Bishydroxy coumarin
   D. Production of clotting factors by liver

5. The function of vitamin A is/are related to which of the following ?

   A. Retinol
   B. Retinal
   C. Retinoic acid
   D. All of the above

6. Vitamin A_____________?

   A. Is water soluble
   B. Deficiency causes impaired vision
   C. Maintains normal plasma calcium levels
   D. Is required for formation of clotting factors

7. Two Vitamin whose derivatives are involved in transformation of serine to glycine are_____________?

   A. B6 ad B12
   B. B12 and nicotinamie
   C. Folic acid and B6
   D. Folic acid and B12

8. Which vitamin is related to a co-factor in glycine metabolism is______________?

   A. Vit E
   B. Folic acid
   C. Thiamine
   D. Cobalamine

9. The action of vitamin K in formation of clotting factor is through__________________?

   A. Post transcription
   B. Post translation
   C. Golgi complex
   D. Endoplasmic reticulum

10. All of the following are true about manifestations of vitamin E deficiency except_____________?

    A. Hemolytic anemia
    B. Posterior column abnormalities
    C. Cerebellar ataxia
    D. Autonomic dysfunctions