Question

HIV that causes Aids, first starts destroying?

• A. Thrombocytes
• B. Helper T- lymphocytes
• C. B- lymphocytes
• D. Leukocytes

Answer 1

The correct option is B

Helper T- lymphocytes

The correct solution is option B.

Explanation of correct option:

1. AIDS is caused by HIV and it attacks the immune system of the body.
2. HIV starts to kill White Blood cells which are responsible for providing protection against diseases.
3. HIV aims at CD 4 cells and crushes the immune system by destroying CD4- bearing helper T cells.

Explanation of incorrect options:

Option A:

1. Thrombocytes are formed in bone marrow (tissue of the bones).
2. Thrombocytes also known as platelets, are blood cells.

Option C:

1. B- lymphocytes developed from stem cells in the bone marrow.

Option D:

1. Leukocytes are responsible for the body to fight against infection and diseases.

Final answer: HIV causes AIDS, first starts destroying helper T-lymphocytes.