EBK BIOLOGY
EBK BIOLOGY
6th Edition
ISBN: 8220106777640
Author: Maier
Publisher: PEARSON
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Chapter 21, Problem 7LTB
Summary Introduction

Introduction:

The immune system can be defined as the organs and body processes that resist the infection and toxins. This system includes the organs such as bone marrow, thymus, and lymph nodes. Helper T cells are the most significant cells in adaptive immunity. These are needed for about all the adaptive immune responses. These cells aid in the activation of B-cells to release the antibodies and macrophages to destroy the consumed microbes. In addition, they help in the activation of cytotoxic T-cells to destroy the infected target cells.

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Which of the following is NOT one of the major functions of T lymphocytes (T cells)?   activating the immune system   binding to antigens presented by MHC proteins   production of antibodies   forming memory cells to more rapidly respond to future infections by the same pathogen   attacking our own cells that are infected with a virus or cancerous
Which of the following is also called a CD8 or killer T cell? Macrophage B lymphocyte helper T lymphocyte cytotoxic T lymphocyte
Which of the following is NOT a component of the adaptive (specific) immune system?   cytotoxic T cells   antibodies   helper T cells   memory B and T cells   neutrophils
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