To Accept Patient Results as Accurate Using Point-Of-Care Testing Instruments,which

To accept patient results as accurate using point-of-care testing instruments,which of the following should be done?

A) Repeat all specimen tests until the same result is obtained on two consecutive tests
B) Run quality control samples for which a known value is expected,accepting patient results if the quality control sample results are as expected
C) Both a and c
D) None of the above