Blood Composition and Characteristics Quiz

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What is the primary reason why oxygenated blood appears bright red?

Specific antigens in plasma membrane of RBC

High concentration of leukocytes

Histamines released by eosinophils

Presence of iron oxide in hemoglobin (correct)

Why do leukocytes not play a role in gas exchange?

They are attracted to light

They have specific antigens in their plasma membrane

They contain dense granules

They lack hemoglobin (correct)

What is the primary function of macrophages during an infection?

Rapidly responding to damaged tissues

Enlarging and cleaning up dead cells (correct)

Releasing histaminase to combat histamines

Producing platelet-derived growth factors

Which type of white blood cell is most attracted to chemicals put off by microbes?

Neutrophils Signup and view all the answers

What characteristic distinguishes granulocytes from agranulocytes?

Granulocytes contain conspicuous vesicles Signup and view all the answers

What is the function of specific proteins in combating foreign invaders?

Latching onto antigens and deactivating them Signup and view all the answers

What is the function of histaminase released by eosinophils?

To break down histamines and return tissues to normal Signup and view all the answers

What is the primary role of basophils in the immune response?

Releasing histamines to intensify reactions Signup and view all the answers

How do platelet alpha granules contribute to the clotting process?

Contain factors that stimulate tissue repair Signup and view all the answers

Which process involves small arteries contracting to slow down blood loss?

Vascular spasm Signup and view all the answers

What differentiates granulocytes from agranulocytes?

Contain conspicuous vesicles Signup and view all the answers

Which white blood cells migrate out of the bloodstream and become mast cells in tissues?

Basophils Signup and view all the answers

What is the primary function of macrophages during an infection?

Phagocytosis and cleanup of dead cells Signup and view all the answers

What is the main reason why high white blood cell count is often associated with infection?

To respond to microbial invaders Signup and view all the answers

Why do neutrophils respond rapidly to damaged tissues?

Being attracted by chemicals from microbes Signup and view all the answers

Blood Composition and Characteristics Quiz

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Questions and Answers

What is the primary reason why oxygenated blood appears bright red?

Why do leukocytes not play a role in gas exchange?

What is the primary function of macrophages during an infection?

Which type of white blood cell is most attracted to chemicals put off by microbes?

What characteristic distinguishes granulocytes from agranulocytes?

What is the function of specific proteins in combating foreign invaders?

What is the function of histaminase released by eosinophils?

What is the primary role of basophils in the immune response?

How do platelet alpha granules contribute to the clotting process?

Which process involves small arteries contracting to slow down blood loss?

What differentiates granulocytes from agranulocytes?

Which white blood cells migrate out of the bloodstream and become mast cells in tissues?

What is the primary function of macrophages during an infection?

What is the main reason why high white blood cell count is often associated with infection?

Why do neutrophils respond rapidly to damaged tissues?

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