Question

Which of the following helps in blood clotting?

• A. Platelets
• B. Red blood corpuscles
• C. Monocytes
• D. Lymphocytes

Answer 1

The correct option is (C):

Explanation of the correct option:

1. Platelets are part of the cellular structures of blood, which is also called thrombocyte.
   
2. After the formation of a wound, the platelets move towards the wound.
   
3. The thrombin is activated from the platelets which helps with activating fibrinogen to form fibrin.
   
4. ​The fibrin is responsible for blood clotting.
   

Explanation of the incorrect options:

Option (A):

1. ​Red blood corpuscles are responsible for the movement of respiratory gasses towards the cells.
   
2. It helps with exchange of gases at the alveoli.
   

Option (B):

1. Lymphocytes are immune cells that are present in the lymph
   
2. It includes B-lymphocyte and T-lymphocyte and it helps with the generation of antibodies. ​

Option (D):

1. Monocytes are responsible for engulfing the antigens and destroying the cell through phagocytosis.
   

Final Answer: Platelets help with blood clotting.