A 13-year-old patient is brought to her pediatrician with a 2-week history of fatigue, an occasional low-grade fever, and malaise. The pediatrician indicates it is a possible infection but needs to know what type of infection. She orders a hematology laboratory test to determine the relative number and percentage of each type of leukocytes. This test is referred to as a

A 13-year-old patient is brought to her pediatrician with a 2-week history of fatigue, an occasional low-grade fever, and malaise. The pediatrician indicates it is a possible infection but needs to know what type of infection. She orders a hematology laboratory test to determine the relative number and percentage of each type of leukocytes. This test is referred to as a

A 13-year-old patient is brought to her pediatrician with a 2-week history of fatigue, an occasional low-grade fever, and malaise. The pediatrician indicates it is a possible infection but needs to know what type of infection. She orders a hematology laboratory test to determine the relative number and percentage of each type of leukocytes. This test is referred to as a



A. hematocrit.


B. CBC.


C. WBC diff.


D. hemoglobin determination.



Answer: C


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