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...