The nurse is reviewing the complete blood count with differential of a patient with cytomegalovirus. The nurse should expect an elevation of


• Lymphocytes help defend against viruses, especially natural killer cells. Lymphocyte count is elevated during a viral infection.

• Neutrophils are elevated during a bacterial infection.

• Eosinophils are commonly elevated during a parasitic infestation.

• Basophil elevation is uncommon but may be seen during allergic responses or neoplasms.

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