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Blood Cellular Elements: Plasma, RBCs, WBCs, and Platelets

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Blood Cellular Elements: Plasma, RBCs, WBCs, and Platelets

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Questions and Answers

What is the function of RBCs in the human body?

To carry oxygen (correct)

To fight infections

To produce proteins

To form blood clots

What is the process by which WBCs are produced?

Coagulation

Erythropoiesis

Hematopoiesis

Leukopoiesis (correct)

What is the function of platelets in the blood?

To help blood clotting (correct)

To carry oxygen

To fight infections

To recycle iron

What is the term for the ratio of RBCs to plasma in the blood?

Hematocrit Signup and view all the answers

What is the pathway initiated by damage to the endothelium of blood vessels?

Intrinsic pathway Signup and view all the answers

What is the term for the production of RBCs?

Erythropoiesis Signup and view all the answers

What is the intrinsic pathway of blood clotting called 'intrinsic'?

Because all the factors necessary for its activation are present within the blood Signup and view all the answers

What is the role of tissue factor in the extrinsic pathway of blood clotting?

To interact with clotting factors in the blood to trigger clot formation Signup and view all the answers

What is the term for a blood clot that sticks to an undamaged blood vessel wall?

Thrombus Signup and view all the answers

What is hemophilia?

A type of blood clotting disorder Signup and view all the answers

What is the composition of a hemoglobin molecule?

4 protein chains + 4 heme groups with a porphyrin ring iron atom Signup and view all the answers