Nutrition: Concepts and Controversies
13th Edition
ISBN: 9781133603184
Author: Frances Sizer, Ellie Whitney
Publisher: Cengage Learning
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Chapter 3, Problem 8SC
Summary Introduction
Introduction:
In the multicellular organism, the immune system is mainly comprised of the cells known as white blood cells, which are also known as leucocytes. These cells are produced by the hemopoietic stem cells in the bone marrow which mainly function in attacking the foreign invaders, which harm the human body.
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List the similarities and differences between the following terms: B lymphocyte and T lymphocyte
Major histocompatibility proteins (MHC) presented with an antigen:
are recognized by T lymphocytes
both may be expressed by any nucleated cell and are recognized by T lymphocytes
both may be expressed by any nucleated cell and are recognized by B lymphocytes
may be expressed by any nucleated cell
are recognized by B lymphocytes
Plasma cells are B cells that produce antibodies. true or false
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- Distinguish between a. neutrophil and macrophage b. cytotoxic T cell and natural killer cell c. effector cell and memory cell d. antigen and antibodyarrow_forwardBlood Types Are Determined by Cell-Surface Antigens Is it more important that transfused blood have antigens that will not react with the recipients antibodies, or antibodies that will not react with the recipients antigens?arrow_forwardMatch the immunity concepts: __________ inflammation __________ antibody secretion __________ phagocyte __________ immunological memory __________ vaccination __________ allergy a. neutrophil b. plasma cell c. nonspecific response d. purposely causing memory cell production e. basis of secondary immune response f. nonprotective immune responsearrow_forward
- Which cell actively produces antibodies during an immune response? B lymphocyte T lymphocyte plasma cellarrow_forwardAntibodies don't kill any pathogen directly. Describe FIVE different ways that antibodies help our body fight diseases.arrow_forwardMacrophage, dendritic cells, T-cells, and B-cells are all considered cells of the adaptive immune system. All these cells come in different varieties. Still there are some basic processes and interactions between them to generate the appropriate adaptive immune response and defeat the pathogen. Which white blood cell above is not a phagocyte but is an antigen-presenting cell?arrow_forward
- If a person is given a transfusion with the wrong blood type, what mechanism of action is responsible for the reaction seen in the body? O 1) IgE binds to mast cells releasing cytokines 2) Antigen-antibody complexes (IgG, IgM and IgA) lodge in basement membranes of tissues, neutrophil degranulation damages the tissues O 3) T cells respond to the inappropriate cells 4) IgG and IgM bind to cells stimulating complement, triggering cell lysisarrow_forwardAll T cell types share the presence of: Select one: CD8 CD25 CD4 CD3arrow_forwardDescribe two differences between B and T lymphocytes.arrow_forward
- In a hematocrit, which layer would you expect to see antibodies?arrow_forwardDescribe the process by which your immune system is able to create antibodies to bacteria which penetrate your skin. Be sure to include ALL cell types and all cell surface antigen/markers involved with this process.arrow_forwardDistinguish between T lymphocytes and B lymphocytes: include their type of immunity, sites of maturation, specific types, and their productsarrow_forward
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