COMEDK2022ChemistrySurface Chemistry
What is the function platelets?
Options
- AIt binds to oxygen
- BIt binds to carbon dioxide
- CIt forms cyanide in body
- DIt leads to coagulation of blood
Correct answer
D. It leads to coagulation of blood
Step-by-step solution
Platelets, also known as thrombocytes, are cell fragments found in the blood that play a crucial role in the process of hemostasis. When a blood vessel is injured, platelets adhere to the site of the injury and aggregate to form a platelet plug. They release various chemical factors that activate the clotting cascade, which leads to the conversion of fibrinogen into fibrin threads, thereby forming a stable clot. This process is known as the coagulation of blood, which prevents excessive bleeding. Answer: It leads t