Biochemical Tests used for nutrition
serum albumin level
a. main protein in blood
b. determines protein status
serum transferrin level
a. normal range for iron-carrying protein in blood
b. too high iron stores are low
c. too low body lacks protein
Blood urea nitrogen (BUN) renal failure, insufficient renal blood supply, blocked urinary tract
Serum creatinine amount of creatinine in blood (renal function evaluated creatine excretion)
Creatinine excretion check creatinine excreted in urine over 24 hr. period for estimating body muscle mass. If muscle mass is low (malnutrition) then level of creatinine is low.
other tests:
Hemoglobin (Hgb) hematocrit
Red blood cells (RBC's)
White blood cells
Lipid profile
Urinalysis
Dietary and Social History
1. Evaluation of food habits
a. 24 hour recall - patient interviewed and tells what they ate & amount
b. food diary - written record of all food you eat over certain time
c. computer diet analysis determine nutrient deficiency or toxicity
2. Social History
a. consideration of financial resources can individual obtain needed food & store it (homeless
can't cook or store food)
b. Food-drug interaction can lead to malnutrition
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