A platelet histogram can be generated using automated hematology analyzers, where frequency is plotted versus platelet volume. When this histogram is examined, which of the following is true?
a. Distribution is gaussian.
b. Mean platelet volume (MPV) is 14 fL.
c. Distribution is log normal with a small population of large platelets.
d. MPV is 5 fL.
ANS: C
The histogram shows a log-normal distribution of platelet volume, with a skew to the right because of a small population of large platelets. The MPV is 8 to 10 fL.
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