Which of the following are the sources of Vit C_________________?

Related Mcqs:

1. 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

2. Mineral present in Vit B12 is_____________?

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

3. Vit-K deficiency is indicated by___________?

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

4. Vit B12 is absorbed in the_____________?

   A. Stomach
   B. Terminal ileum
   C. Lower jejunum
   D. Proximal ileum

5. Which of the following tooth structure during formation is most effected due to Vit – A deficiency_____________?

   A. Enamel
   B. Dentin
   C. Cementum
   D. Periodontal Ligament

6. Which of the following is least affected in Vit – C deficiency______________?

   A. Gingival Fibres
   B. Periodontal ligament
   C. Blood Vessels of the gingiva
   D. Epithelial lining of the mucosa

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

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

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

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

9. Sources of the nucleotide portion of NAD include__________________?

   A. N-methyl nicotinamide
   B. Riboflavin
   C. PRPP
   D. Tryptophan

10. The base constituents of dental waxes come from three main sources except______________?

    A. Animal
    B. Mineral
    C. Insect
    D. Vegetable