Platelet volume normally:
a. Is 15 to 20 fL
b. Increases as the sample sits in ethylenediaminetetraacetic acid (EDTA)
c. Is 5 to 18 fL
d. Is not reliable on most electronic instruments
ANS: B
Platelet reference values are approximately 8 to 88 fL, and the MPV increases slightly as the sample sits in the anticoagulant EDTA.
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