Question

In terms of quantity, the correct chronological order of blood cells is

• A. Erythrocyte $>$ thrombocyte $>$ neutrophil $>$ lymphocyte $>$ monocyte $>$ eosinophil $>$ basophil
• B. Erythrocyte $>$ thrombocyte $>$ monocyte $>$ neutrophil $>$ lymphocyte $>$ eosinophil $>$ basophil
• C. Erythrocyte $>$ neutrophil $>$ lymphocyte $>$ monocyte $>$ eosinophil $>$ basophil $>$ thrombocyte
• D. Erythrocyte $>$ thrombocyte $>$ neutrophil $>$ lymphocyte $>$ eosinophil $>$ monocyte $>$ basophil

Answer 1

Answer: (A)

Erythrocyte count is about 5 million per cubic mm of blood. Platelet count is about 2.5-4.5 lakhs per cubic mm. Leucocytes are 5-9 thousand per cubic mm. Neutrophils consist of 54%-62% of leucocytes, lymphocytes consist of 25%-33% of leucocytes, monocytes consist of 3%-9% of leucocytes, eosinophils consist of 3% of leucocytes and basophils consist of 0.5% of leucocytes.