Question

Case 2: An 88-year-old woman was seen by an ophthalmologist at an eye clinic in Toronto, complaining about itchy, burning eyes. An examination of the cornea revealed dry patches on the surface of the eye, consistent with xeropthalmia. The patient reported having food intolerances for the last 20 years and following a strict "diet" consisting of rice, canned tuna and vitamin B supplements. Serum retinol levels were found to be extremely low. The doctors prescribed megadoses of vitamin A which reversed the xeropthalmia within a few weeks.

Answer 1

Answer:

5. Vitamin A deficiency compared both innate and acquired immunity and hence has wide range of effect on it's absence.

6.Retinoic acid is the major form.

7. Vitamin A is transported in the form of micelle which is a sort of emulsifier.

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