The instrument used to measure serum or plasma total protein of a sample is the:

Question

Quizplus · Accepted Answer

A handheld refractometer is the instrument commonly used to measure serum or plasma total protein of a sample. It works by measuring the refractive index of a sample, which is directly proportional to the protein concentration. Impedance counters, quantitative buffy coat analyzers, and focused laser analyzers are not commonly used to measure total protein.

The Instrument Used to Measure Serum or Plasma Total Protein