Which biochemical measure is useful in evaluating the body's folate stores?

Question

Quizplus · Accepted Answer

The level of folate in red blood cells measures the actual folate stores and is the first, best indicator of folate depletion.Serum folate level may initially reflect a negative balance of folate at the time of the blood draw.Urinary FIGLU and serum homocysteine levels increase when folate deficiency occurs because folate is necessary for the conversion of histidine to glutamic acid, in the case of the former, and in homocysteine to methionine.

Which Biochemical Measure Is Useful in Evaluating the Body's Folate