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Lymph Nodes and Other Lymphoid Organs
Cells of the Immune System
Cellular (Cell-Mediated) Response
Lymphatic Vessels
Anonymous
100
The largest lymphatic organ; a blood reservoir a. lymph nodes b. Peyer's patches c. Spleen d. Thymus e. Tonsils
What is c. Spleen
100
Immunity is resistance to disease resulting from the presence of foreign substances or ___. a. antigens d. Cellular immunity g. Lymph nodes b. B-cells e. Humoral immunity h. Macrophages c. Blood f. Lymph I. T-cells
What is a. Antigens
100
Binds with and releases chemicals that activate B-cells, T-cells, and macrophages. a. Helper T cell b. Cytotoxic T-cell c. Memory T cell
What is a. Helper T-cell
100
Lymphatic vessels act primarily to pick up leaked fluid, now called ___, and return it to the blood stream.
What is lymph
100
Mr. Troupe needs a heart in order to live. The doctor says he only has 6 months. The only option he has is to have have a baboon heart transplanted into his body. What kind of graft is this? a. Autograft b. Isograft c. Allograft d. Xenograft
What is d. Xenograft
200
Filters lymph a. lymph nodes b. Peyer's patches c. Spleen d. Thymus e. Tonsils
What are a. lymph nodes
200
When resistance is provided by antibodies released to body fluids, the immunity is called ___ a. antigens d. Cellular immunity g. Lymph nodes b. B-cells e. Humoral immunity h. Macrophages c. Blood f. Lymph I. T-cells
What is e. Humoral immunity
200
Activated by recognizing both its antigen and self-protein presented on the surface of a macrophage. a. Helper T-cell b. Cytotoxic T-cell c. Memory T cell
What is a. Helper T-cell
200
About ___ of fluid is returned to the bloodstream every 24 hours.
What is 3 liters
200
Antibodies have the primary function of attacking ___. Give three examples.
What are antigens Examples: 1. bacteria 2. virus 3. fungi
300
Particularly large and important during youth; produces hormones that help to program the immune system a. lymph nodes b. Peyer's patches c. Spleen d. Thymus e. Tonsils
What is d. thymus
300
When living cells provide the protection, the immunity is referred to as ___. a. antigens d. Cellular immunity g. Lymph nodes b. B-cells e. Humoral immunity h. Macrophages c. Blood f. Lymph I. T-cells
What is d. cellular immunity
300
Turns of the immune response when the "enemy" has routed. a. Helper T cell b. Cytotoxic T-cell c. Regulatory T-cell d. Memory T-cell
What is a c. Regulatory T-cell
300
The walls of the lymphatic capillaries, ___ each other forming flaplike mini-valves.
What is overlap
300
Multiple sclerosis is an immunodeficiency virus which destroys the white matter in the brain and spinal cord. Identify the name of this substance.
What is the myelin sheath
400
Collectively called MALT a. lymph nodes b. Peyer's patches c. Spleen d. Thymus e. Tonsils
What is b. Peyer's patches OR e. tonsils
400
The major actors in the immune response are two lymphocyte populations, the ___ and the ___. a. antigens d. Cellular immunity g. Lymph nodes b. B-cells e. Humoral immunity h. Macrophages c. Blood f. Lymph I. T-cells
What are b. B-cells and I. T-cells
400
Directly attacks cellular pathogens due to previous experience a. Helper T cell b. Cytotoxic T-cell c. Regulatory T-cell d. Memory T-cell
What is a b. Cytotoxic T-cell
400
The structure of a lymph node forces lymph through to slow through it slowly. Explain how the anatomical structure forces this. (Use key words: afferent lymphatic vessels and efferent lymphatic vessels)
What is because there are fewer efferent vessels vessels draining the node that efferent vessels feeding it, the flow of the lymph node through the node is very slow.
400
Helper T-cells are known to release a chemical known as cytokines. Give 2 reactions that occur once the cytokine has been released.
What is 1. increases macrophages appetite 2. increases B-cell and T-cell production 3. increases the amount of white blood cells
500
Removes aged and defective red blood cells a. lymph nodes b. Peyer's patches c. Spleen d. Thymus e. Tonsils
What is c. spleen
500
Phagocytic cells that act as accessory cells in the immune response and have the primary function of eating the antigens are the ___. a. antigens d. Cellular immunity g. Lymph nodes b. B-cells e. Humoral immunity h. Macrophages c. Blood f. Lymph I. T-cells
What is h. Macrophages
500
Initiates secondary response to a recognized antigen a. Helper T cell b. Cytotoxic T-cell c. Regulatory T-cell d. Memory T-cell
What is a d. Memory T-cell
500
Lymphatic vessels release the lymph back into what blood stream passageway? What bloodstream passageway leaks fluid into the lymphatic system?
What are the veins.
500
It takes two steps to activate a T-cell, which is why it is called the "double-handshake". What 2 substance must the T cell come into contact with in order to be activated?
What are antigens and glycoproteins