FSCN 4613 Study Guide - Midterm Guide: Niacin, Electrocardiography, Riboflavin
30 Mar 2020
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Study guide for fscn 4613 experimental nutrition midterm. Laboratory assessment considerations: factors affecting nutritional status. Nutrient requirements: phases in development of nutritional deficiencies. Normal pool size and concentration in tissues, blood, urine. Lowering of nutrient concentration in blood, urine, tissues. Lowering of activity of vitamin or mineral dependent enzymes; early signs of metabolic disturbances. Severe metabolic disturbances, abnormal metabolites present in blood or urine. Normal, normal, normal, abnormal eeg, ekg, dark adaptation. Convulsive seizures, hypogeusia, weakness: types of biochemical tests. Static biochemical tests (direct measure of nutrient of interest//looking for amount present) Measurement of a nutrient in biological fluids or tissues. Plasma or serum, erythrocytes, tissues (bopsy), hair, nails. Urinary excretion rate of a nutrient or metabolite. Will not work for fat-soluble vitamins (no significant urinary loss. Niacin- measure metabolites of niacin- broken down before they are excreted. Functional biochemical tests (involve changes in enzyme activity or product) Changes in enzymatic activities of blood components.
