1st clinical sign of vitamin A deficiency is_____________?

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. A 40 year old woman report with the complaint of burning sensation in the mouth. Clinical examination reveals lesions consisting of radiating white striations in a retiform arrangement affecting buccal mucosa, tongue, lips & gingiva bilaterally. An incisional biopsy is suggestive of lichen planus. The following are different clinical forms of lichen planus except:

   A. Atrophic lichen planus
   B. Hypertrophic lichen planus
   C. bullous lichen planus
   D. Verrucous lichen planus

3. Deficiency of vitamin A causes the following except_____________?

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

4. In vitamin A deficiency, patient complains of all of the following except___________?

   A. Night blindness
   B. Xerophthalmia
   C. Keratosis
   D. Phophoric calciuria

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

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

6. Deficiency of vitamin C causes the following except____________?

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

7. Deficiency of vitamin C causes the following except_______________?

   A. Defective collagen synthesis
   B. Soft swollen gums
   C. Pigeon chest
   D. Subcutaneous & other hemorrhage

8. Peripheral neuropathy due to deficiency of vitamin is seen with_______________?

   A. Pyridoxine
   B. Vit E
   C. Vit A
   D. Pantothenic acid

9. 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

10. Vitamin “D” deficiency causes all except____________?

    A. Widening of predentin
    B. Defective calcification
    C. Microdontia
    D. Inter globular dentin formation