21. A complete blood count lodoks at the components of blood inctuding erythrocy

Question

21. A complete blood count lodoks at the components of blood inctuding erythrocyte leukocyte, plete blood count looks af the components of blood including erythrocyte, leukocyte and thrombocyte numbers as well as the total amount of hemoglobin and the percentage of erythrocytes in blood (hematocrit). The CBC will also look at the average red blood cell size (MCV), the amount of hemoglobin per red blood cell (MCH) and the amount of hemoglobin relative to the size of the erythrocyte (MCHC). In general, what would you expect to see in a CBC in the following conditions? a. Parasitic infection b. Viral infection c. Immune reaction (allergic reaction) d. Anemia

Explanation / Answer

a. Parasitic infection: esinophil number increases

b. Viral infection: lymphocytes increases and white blood cells decrease.

c. Allergic reaction: blood basophils decrease in number, while tissue mast cells increase.

d. Anemia: red blood cell count will decrease.

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