FIGLU excretion test is to estimate deficiency of_______________?
Correct answer: A. Vitamin folic acid
- A. Vitamin folic acid
- B. Vitamin B6
- C. Vitamin K
- D. Niacin
Explanation
FIGLU accumulates and is excreted in urine when folate-dependent histidine metabolism is impaired, making the test useful for detecting folate deficiency. Vitamin B6 deficiency is assessed by other functional tests.
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