While Mr. Chakrabarti's hematocrit sample is spinning in the centrifuge, you perform an automated hemoglobin test on a sample of his blood and record the value as 15 g/dL. You do a quick mental calculation and expect that the hematocrit value will be approximately
A) 5%.
B) 45 g/dL.
C) 5 g/dL.
D) 45%.

Question

Quizplus · Accepted Answer

Hemoglobin and hematocrit are often performed together and are referred to as an "H&H." A quick mental calculation should always be done before reporting out H&H results: the hemoglobin value X 3 ± 3 should equal the hematocrit value.

While Mr Chakrabarti's Hematocrit Sample Is Spinning in the Centrifuge, You