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Question

Biology Question on body fluids and circulation

Leucopenia is the condition where

A

Leucocytes decrease below 5000 per cubic mm of blood

B

Bone marrow is destroyed

C

Total number of lymphocytes decreases from 2.0 % to 0.5 %

D

Leucocytes increases above 6000

Answer

Leucocytes decrease below 5000 per cubic mm of blood

Explanation

Solution

In this, the total number of leucocytes decreases below 4500/cu mm. The WBC plays a major role in the immune system as they fight infections and diseases. The cause of this disease is bone marrow disorder, It can be suppressed by the help of chemotherapy. The decreased WBC count can be reduced because of autoimmune diseases like rheumatoid arthritis etc.

So, the correct answer (A) Leucocytes decrease below 5000 per cubic mm of blood