Which of the following tests would be appropriate to confirm the diagnosis of B12 deficiency in a patient whose B12 level is at the low end of the normal range?
Question 1:
Which of the following tests would be appropriate to confirm the diagnosis of B12 deficiency in a patient whose B12 level is at the low end of the normal range?
A.Methylmalonic Acid level
B.Urine Catecholamines
C.Folic Acid level
D.Haptaglobin level
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