Blood Clotting

Which component of blood is responsible for clotting?

• Red blood cells

• White blood cells

• Platelets

• Plasma

Which of the following formed elements is involved in clotting?

• 
• 
• 
• 

Which vitamin is essential for the synthesis of clotting factors in the liver?

• Vitamin A

• Vitamin C

• Vitamin K

• Vitamin D

What is the first step in the blood clotting process?

• Platelet adhesion

• Fibrin formation

• Vasoconstriction

• Clot retraction

Which enzyme is responsible for converting fibrinogen to fibrin during blood clotting?

• Thrombin

• Plasmin

• Trypsin

• Pepsin

What is the role of calcium ions in blood clotting?

• They activate platelets

• They convert prothrombin to thrombin

• They stabilize fibrin

• They are not involved in clotting

Which of the following is a hereditary disorder affecting blood clotting?

• Sickle cell anemia

• Hemophilia

• Thalassemia

• Leukemia

Tags

NGSS.HS-LS3-2

What is the function of platelets in the blood clotting process?

• Transport oxygen

• Fight infections

• Form a temporary plug

• Carry nutrients

Which pathway is activated by external trauma that leads to blood clotting?

• Intrinsic pathway

• Extrinsic pathway

• Common pathway

• Alternative pathway

What is the final product of the blood clotting cascade?

• Prothrombin

• Fibrin

• Thrombin

• Plasmin