A nurse works with a patient who is malnourished. What lab value does the nurse assess for the most up-to-date information on the patient's status?
a. Albumin
b. Prealbumin
c. Transferrin
d. Total iron
B
Prealbumin has a half-life of 2 to 3 days, so it is the most accurate measure of the patient's cur-rent status. Albumin's half-life is 21 days; transferrin's half-life is 8 to10 days. Total iron does not indicate current nutritional status as accurately as the others.
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