Granulocytes or white blood cells are produced in:
Correct answer: B. Red bone marrow
- A. Lymph nodes
- B. Red bone marrow
- C. Tonsils
- D. Spleen
Explanation
Option[a] Lymph nodes don't have a role in the production of WBC, they filter substances that travel through the lymphatic fluid.Option [b] Bone marrow makes stem cells, which then produce RBC, WBC and plateletsOption[c] The main function of tonsils is fighting infection, they contain a lot of WBC but do not produce them.Option[d] Spleen controls the levels of blood cells including WBC, RBC and platelets, it removes old or damaged RBC whereas WBC are destroyed in the lymphatic system.
This question appeared on the UHS MDCAT 2010 paper, which you can sit online with every answer explained.
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