Platelet Plug Formation in Vascular Injuries

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What is the normal concentration range of platelets in the blood?

100,000 - 350,000/μl

300,000 - 600,000/μl

50,000 - 200,000/μl

150,000 - 450,000/μl (correct)

Where are platelets formed in the body?

Bone marrow (correct)

Spleen

Kidneys

Liver

What is the size range of platelets?

1 to 4 millimeters

1 to 4 micrometers (correct)

1 to 4 centimeters

1 to 4 nanometers

Which cells fragment into platelets in the bone marrow or shortly after entering the blood?

Megakaryocytes Signup and view all the answers

Do platelets have nuclei and can they reproduce?

No, they have no nuclei and cannot reproduce Signup and view all the answers

What is the function of thrombosthenin in platelets?

Causing platelet contraction Signup and view all the answers

Which organelles in platelets can synthesize various enzymes and store large quantities of calcium ions?

Endoplasmic reticulum and Golgi apparatus Signup and view all the answers

What is the main function of the protein fibrin-stabilizing factor found in platelets?

Aiding in blood coagulation Signup and view all the answers

How are platelets eliminated from circulation when their functional processes run out?

By being engulfed by macrophages Signup and view all the answers

What is the role of the coat of glycoproteins on the platelet cell membrane surface?

Repulsing adherence to injured areas Signup and view all the answers

Which component found on the platelet membrane surface activates multiple stages in the blood-clotting process?

Phospholipids Signup and view all the answers

Platelet Plug Formation in Vascular Injuries

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Questions and Answers

What is the normal concentration range of platelets in the blood?

Where are platelets formed in the body?

What is the size range of platelets?

Which cells fragment into platelets in the bone marrow or shortly after entering the blood?

Do platelets have nuclei and can they reproduce?

What is the function of thrombosthenin in platelets?

Which organelles in platelets can synthesize various enzymes and store large quantities of calcium ions?

What is the main function of the protein fibrin-stabilizing factor found in platelets?

How are platelets eliminated from circulation when their functional processes run out?

What is the role of the coat of glycoproteins on the platelet cell membrane surface?

Which component found on the platelet membrane surface activates multiple stages in the blood-clotting process?

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