20 Questions
Which property allows leucocytes to squeeze through narrow pores in the walls of capillaries?
Diapedesis
Which leucocytes are important in inflammation and possess properties of margination, diapedesis, motility, chemotaxis, and phagocytosis of bacteria?
Neutrophils
Which leucocytes are highly phagocytic for bacteria and large particles, and are called tissue macrophages?
Monocytes
Which leucocytes increase in allergic reactions and parasitic infestation?
Eosinophils
Which leucocytes are not phagocytic but synthesize heparin and histamine?
Basophils
What is the main goal of the host defense module?
Understanding the physiology of the immune system
What is the physiologic function of the immune system?
Defense against infectious microbes
What is the normal range of leucocytic count?
4000-11000/mm3
Where are granular leucocytes, monocytes, and few lymphocytes formed?
Bone marrow
Why are there significantly more red blood cells (RBCs) than white blood cells (WBCs)?
Life span of WBCs is short but that of RBCs are long
Which type of immunity mediates the early defense against microbes?
Innate immunity
What is the normal range of leucocytic count?
4000-11000/mm3
Where are lymphocytes partially formed?
Lymph tissues
Which type of leucocyte has a short life span in the circulation?
Granular leucocytes
What is the main physiological function of the immune system?
Defense against infectious microbes
What is the term for the property of leucocytes to be attracted to the endothelial surface and roll along it?
Margination
Which leucocytes are not phagocytic but synthesize heparin and histamine?
Basophils
What is the term for the property of leucocytes to squeeze through narrow pores in the walls of capillaries?
Diapedesis
Which leucocytes increase in allergic reactions and parasitic infestation?
Eosinophils
What type of movement do granulocytes have due to the development of pseudopodia?
Amoeboid movement
This module aims to enhance understanding of immune system physiology, including its structure, normal functions, and mechanisms of normal immune response and immune mediated diseases. It also covers methods used to diagnose such conditions.
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