172- What is meant by the term "coincidence" as it refers to the Coulter principle for counting cells
A) some cells will not be counted by the instrument because they are above the threshold limit
B) some cells will not be counted by the instrument because they are below the threshold limit
C) some interferences in the blood sample will cause a falsely elevated hemoglobin value
D) occasionally more than one cell goes through the aperture at the same time, but only one cell is counted
173-
14. Hemoglobin values on the Coulter © may be falsely high due to which of the following causes
A) An over-range WBC count
B) Blood sample collected in heparin
C) PLT count greater than 999 x 109/L
D) a sample with an MCV of 135 fL
A) some cells will not be counted by the instrument because they are above the threshold limit
B) some cells will not be counted by the instrument because they are below the threshold limit
C) some interferences in the blood sample will cause a falsely elevated hemoglobin value
D) occasionally more than one cell goes through the aperture at the same time, but only one cell is counted
173-
14. Hemoglobin values on the Coulter © may be falsely high due to which of the following causes
A) An over-range WBC count
B) Blood sample collected in heparin
C) PLT count greater than 999 x 109/L
D) a sample with an MCV of 135 fL
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