Urinalysis and Body Fluids 6th Edition by Majorie DiLorenzo, Susan Strasinger

Exercise 48

A color change that indicates that a sufficient amount of patient’s specimen or reagent is added correctly to the test system would be an example of:

A. External QC

B. Equivalent QC

C. Internal QC

D. Proficiency testing

Step 1 of 2

Internal QC (Quality Control):

Quality control is monitoring the precision, accuracy, reliability of a laboratory test.

Internal quality control:

• Internal quality control is the monitoring system found internally in the lab.

• It is called procedure control or internal controls.

• Here addition patient specimen, a reagent and interaction of instruments or reagents are monitored.

Therefore, the change in color which denotes sufficient patient’s specimen or reagent added to test system correctly is an example of “Internal Quality Control”. Hence, the correct answer is option.