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Solved in 2 steps
- Why is a 1:20 dilution of patient serum, rather than undiluted patient serum, used for the qualitative test?In the spread plate method, why is the volume plated usually limited to not more than 0.1 mL?What level of RF in serum is clinically significant? Why is a 1:20 dilution of patient serum, rather than undiluted patient serum, used for the qualitative test? Describe how the RF concentration is computed?
- To identify a positive control in your lab report, should you list any test tube with positive results? Why or why not? What is a negative control? Which substance is a negative control for each of the tests in this lab exercise?Please explain: After making the 1:100 dilution, the laboratory scientist puts both the original serum sample and the labeled 1:100 dilution into the refrigerator. What is the appropriate temperature setting for the refrigerator? Choose the best letter answer and give a brief explanation. A. –10°C to – 15°C B. 1°C to 8°C C. 22°C to 24°C D. 37°CWhy are only few drops of CuSO4 solution added during the biuret test?
