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Paediatric

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Nutrition And Nutritional Disorders

Question
41 out of 49
 

Deficiency of vit. C in infant is best estimated by Vit C level in - (AIPG 2009)



A Plasma

B Urinary excretion

C Buffy coat estimation

D Adrenal cortical Vit. C estimation

Ans. C

Buffy coat estimation

Leukocyte vitamin C

a. Leukocyte concentration of vitamin C. is a better indicator of body store, it may be deficient even in the absence of clinical signs of deficiency.

b. It is estimated by Buffy coat preparation.

Plasma vitamin C

a. Plasma ascorbic and levels vary widely and cannot be relied upon to detect early vitamin C deficiency.

Urinary vitamin C

a. Saturation of the tissues with vitamin C can be estimated from the urinary excretion of the vitamin after a test dose of ascorbic acid.

b. Excretion of 80% of the test dose in the urine within 3-5 hr after parenteral administration is considered to be normal.

c. In vitamin C deficiency, less than 80% of test dose is excreted.

Nutrition And Nutritional Disorders Flashcard List

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