NEET BIOLOGY

HUMAN PHYSIOLOGY

BODY FLUIDS AND CIRCULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
All of the following are granulocytes except-
A
Neutrophils
B
Eosinophils
C
Basophils only
D
Lymphocytes and monocytes
Explanation: 

Detailed explanation-1: -A lymphocyte is not a granulocyte. Granulocytes are a category of white blood cells characterized by the presence of granules in their cytoplasm. There are three principal types of granulocytes-basophil granulocytes, eosinophil granulocytes and neutrophil granulocytes. Lymphocytes and monocytes are the agranulocytes .

Detailed explanation-2: -WBC’s are composed of granulocytes (neutrophils, eosinophils, and basophils) and non-granulocytes (lymphocytes and monocytes). White blood cells are a major component of the body’s immune system. Indications for a WBC count include infectious and inflammatory diseases; leukemia and lymphoma; and bone marrow disorders.

Detailed explanation-3: -Neutrophils, eosinophils, and basophils are granulocytes. A granulocyte is a type of white blood cell. Also called granular leukocyte, PMN, and polymorphonuclear leukocyte.

Detailed explanation-4: -Blood consists of two types of white blood cells (WBC), viz, granulocytes and agranulocytes. Basophils, neutrophils, and eosinophils are granulocytes. Lymphocytes and Monocytes, on the other hand, are agranulocytes. Monocytes are the phagocytes that engulf foreign pathogens and destroy them.

Detailed explanation-5: -These types of WBC are present in the blood and lymph of our body. They make up around 18-40% of total WBCs in the blood. They lack granules in their cytoplasm.

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