An overnight fast is recommended for individuals being tested for carcinoid syndrome because:
A) dietary interference,particularly with foods that contain 5-hydroxyindoles,will produce a false increase in plasma 5-HIAA measurement.
B) no food should be present in the GI tract for 12 hours before analysis of catecholamine metabolites.
C) monoamine systems are targets of certain components of foods that contain tyrosine,and a false-negative result will occur in HVA testing.
D) certain foods interfere with the methods of analysis used for serotonin analysis,particularly the high performance liquid chromatography (HPLC) assays.
Correct Answer:
Verified
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Q21: MATCHING
Match the disorder with the diagnostic analyte
Q22: MATCHING
Match the disorder with the diagnostic analyte
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