Podcast
Questions and Answers
What is the primary reason why oxygenated blood appears bright red?
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?
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?
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?
Which type of white blood cell is most attracted to chemicals put off by microbes?
What characteristic distinguishes granulocytes from agranulocytes?
What characteristic distinguishes granulocytes from agranulocytes?
What is the function of specific proteins in combating foreign invaders?
What is the function of specific proteins in combating foreign invaders?
What is the function of histaminase released by eosinophils?
What is the function of histaminase released by eosinophils?
What is the primary role of basophils in the immune response?
What is the primary role of basophils in the immune response?
How do platelet alpha granules contribute to the clotting process?
How do platelet alpha granules contribute to the clotting process?
Which process involves small arteries contracting to slow down blood loss?
Which process involves small arteries contracting to slow down blood loss?
What differentiates granulocytes from agranulocytes?
What differentiates granulocytes from agranulocytes?
Which white blood cells migrate out of the bloodstream and become mast cells in tissues?
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 primary function of macrophages during an infection?
What is the main reason why high white blood cell count is often associated with 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?
Why do neutrophils respond rapidly to damaged tissues?
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