If when a pumper is connected to a hydrant, the first line is opened, and there is a drop in residual pressure of 20%, this would indicate that the hydrant should be able to supply___
A. One half the amount of water already flowing
B. No additional water
C. Two times the amount of water (one additional setup)
D. Three times the amount of water (two additional setups)
Answer: C. Two times the amount of water (one additional setup)
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A glucose result is falsely elevated and it was discovered that the previous sample on the sample carousel has abnormally high serum glucose. Which of the following can cause this error?
A. Pipetting an extra volume of diluents into the sample with the falsely elevated glucose B. Carryover C. A leak in the reagent-dispensing probe D. Double pipetting of the sample with the elevated glucose result