The page below is a sample from the LabCE course White Cell and Platelet Disorders: Peripheral Blood Clues to Nonneoplastic Conditions. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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A peripheral blood smear was reviewed and a representative field is shown on the right. Which of the following conditions may produce the results seen in this image?

Please select the single best answer