Vit B12 is absorbed in the_____________?

Related Mcqs:

1. Mineral present in Vit B12 is_____________?

   A. Selenium
   B. Cobalt
   C. Iron
   D. Calcium

2. Intrinsic factor for absorption of Vit B12 secreted in ______________?

   A. Duodenum
   B. Stomach
   C. Intestine
   D. Ileum

3. Vitamin B12 acts as a coenzyme to which one of the following enzyme ?

   A. Isocitrate dehydrogenase
   B. Homocyteine methyl transferase
   C. Glycogen synthase
   D. G-6-P dehydrogenase

4. Most of vitamin B12 in the body is stored as_____________?

   A. Methyl B12
   B. Hydroxy B12
   C. Cyano cobalamine
   D. None of the above

5. Vitamin B12 is_______________?

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

6. Vit-K deficiency is indicated by___________?

   A. Low platelet count
   B. Increased prothrombin time
   C. Decreased prothrombin time
   D. None of the above

7. Which of the following is not true of Vit D_______________?

   A. Its active form is calcitriol
   B. Increase calcium absorption from the intestines
   C. Its deficiency results in rickets
   D. Its decrease cause phosphate reabsorption from the kidneys

8. Which of the following are the sources of Vit C_________________?

   A. Apple
   B. Fresh green vegetables
   C. Citrus fruits
   D. Both B and C

9. The intrinsic factor for vitamins B12 absorption is produced in the______________?

   A. Liver
   B. Stomach
   C. Pancreas
   D. Duodenum

10. One of the earliest symptoms of Vit. A deficiency is________________?

    A. Nyctalopia
    B. Xerophthalmia
    C. Bitot’s spot
    D. Keratomalacia