WBC counts

Question 1

NEUTROPHILIA

Answer 1

(1) NEUTROPHILIA Absolute neutrophil count (polys and bands) >10,000/μL.

Question 2

LEUKEMOID REACTION

Answer 2

(1) LEUKEMOID REACTION Extreme elevation of leukocyte count (>50,000/μL) composed of mature and/or immature neutrophils.

Question 3

LEUKOERYTHROBLASTIC REACTION

Answer 3

LEUKOERYTHROBLASTIC REACTION Extreme elevation of leukocyte count (>50,000/μL) with addition of nucleated red blood cells (RBCs) and schistocytes on blood smear

Question 4

LYMPHOCYTOSIS

Answer 4

LYMPHOCYTOSIS Absolute lymphocyte count >5000/μL

Question 5

MONOCYTOSIS

Answer 5

MONOCYTOSIS Absolute monocyte count >800/μL (5)

Question 6

BASOPHILIA

Answer 6

BASOPHILIA Absolute basophil count >100/μL

Question 7

EOSINOPENIA Absolute eosinophil count <50/μL. (7)

Answer 7

EOSINOPENIA Absolute eosinophil count <50/μL. (7)

Question 8

LEUKOPENIA

Answer 8

LEUKOPENIA Total leukocyte count <4300/μL (8)

Question 9

NEUTROPENIA

Answer 9

NEUTROPENIA Absolute neutrophil count <2000/μL a. increased risk of bacterial infection with count <1000/μL)

Question 10

LYMPHOPENIA Absolute lymphocyte count <1000/μL

Answer 10

LYMPHOPENIA Absolute lymphocyte count <1000/μL