Serum Used as the Sample for Electrophoretic Analysis in Clinical

question 12

Multiple Choice

Serum used as the sample for electrophoretic analysis in clinical laboratories contains many groups of macromolecules.Examples include amino acids, serum proteins, lipoproteins, glycoproteins, and others.Suppose an analyst is interested in performing serum protein electrophoresis.How does the analyst prevent other groups of macromolecules from interfering with the analysis of serum proteins?

• A)by selecting a medium that will only allow the electrophoretic migration of serum proteins
• B)by selecting an electrophoresis voltage that will only cause migration of serum proteins
• C)by selecting an electrophoresis time that will allow all other macromolecules to migrate completely off the medium and leave only serum proteins
• D)by selecting a stain that will only visualize the desired serum proteins

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