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Blood Composition and Circulation Lecture

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Questions and Answers

What is the primary function of blood pressure?

To ensure high flow through the large vessels
To increase oxygen delivery to the tissues
To prevent leakage from the capillaries
To ensure even and efficient flow through the small capillaries (correct)

Which of the following blood proteins is responsible for transporting oxygen?

Albumin
Immunoglobulins
Haemoglobin (correct)
Fibrinogen

What is the role of immunoglobulins in the blood?

To transport oxygen
To regulate blood clotting
To regulate blood pressure
To provide immune function (correct)

Which of the following is NOT a major component of blood?

Carbohydrates (C) Signup and view all the answers

What is the process by which the blood forms clots to prevent excessive bleeding?

Coagulation cascade (C) Signup and view all the answers

What is the name of the protein in blood that helps to form clots?

Fibrinogen (A) Signup and view all the answers

What is the result of the coagulation cascade?

Fibrinogen -> Fibrin (D) Signup and view all the answers

What is essential for the coagulation process?

Ca++ ions (B) Signup and view all the answers

What is the most common form of haemophilia?

Factor VIII deficiency (D) Signup and view all the answers

What is the function of CD34+ in blood cells?

Surface antigen marker on stem cells (B) Signup and view all the answers

What is the function of GM-CSF in haematopoiesis?

Stimulates production of neutrophils, eosinophils, basophils and monocytes (D) Signup and view all the answers

What is the optimal pH range for blood?

7.2-7.4 (C) Signup and view all the answers

What is the function of albumin in blood?

To maintain colloidal osmotic pressure and bind to small molecules (A) Signup and view all the answers

Which of the following is NOT a function of immunoglobulins?

Maintaining colloidal osmotic pressure (B) Signup and view all the answers

What is the percentage of total blood protein constituted by fibrinogen?

7% (D) Signup and view all the answers