Anatomy & Physiology
Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
Question
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Chapter 20, Problem 11CYU
Summary Introduction

To review:

The three different antigen-presenting cells (APCs). The APC most important for T lymphocyte activation.

Introduction:

The APCs are the cells that can engulf antigens. These cells then present fragments of the antigens on the surface. This helps the T cells to recognize them. The T cells are activated by the antigens presented by the APCs.

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Chapter 20 Solutions

Anatomy & Physiology

Ch. 20 - Prob. 11CYUCh. 20 - In clonal selection, who does the selecting? What...Ch. 20 - Why is the secondary response to an antigen so...Ch. 20 - Prob. 14CYUCh. 20 - Which class of antibody is most abundant in blood?...Ch. 20 - List four ways in which antibodies can bring about...Ch. 20 - Class II MHC proteins display what kind of...Ch. 20 - Prob. 18CYUCh. 20 - Which type of T cell is the most important in both...Ch. 20 - Describe the killing mechanism of cytotoxic T...Ch. 20 - Prob. 21CYUCh. 20 - Prob. 22CYUCh. 20 - Prob. 23CYUCh. 20 - All of the following are considered innate body...Ch. 20 - The process by which neutrophils squeeze through...Ch. 20 - Antibodies released by plasma cells are involved...Ch. 20 - Which of the following antibodies can fix...Ch. 20 - Which antibody class is abundant in body...Ch. 20 - Small molecules that must combine with large...Ch. 20 - Lymphocytes that develop immunocompetence in the...Ch. 20 - Cells that can directly attack target cells...Ch. 20 - Prob. 9RQCh. 20 - The cell type most often invaded by HIV is a(n)...Ch. 20 - Complement fixation promotes all of the following...Ch. 20 - Using the letters from column B, match the cell...Ch. 20 - Besides acting as mechanical barriers, the skin...Ch. 20 - Explain why attempts at phagocytosis are not...Ch. 20 - What is complement? How does it cause bacterial...Ch. 20 - Interferons are referred to as antiviral proteins....Ch. 20 - Differentiate between humoral and cellular...Ch. 20 - Although the adaptive immune system has two arms,...Ch. 20 - Define immunocompetence and self-tolerance. How is...Ch. 20 - Differentiate between a primary and a secondary...Ch. 20 - Prob. 21RQCh. 20 - What is the role of the variable regions of an...Ch. 20 - Name the five antibody classes and describe where...Ch. 20 - How do antibodies help defend the body?Ch. 20 - Do vaccines produce active or passive humoral...Ch. 20 - Prob. 26RQCh. 20 - Describe the specific roles of helper, regulatory,...Ch. 20 - Prob. 28RQCh. 20 - Prob. 29RQCh. 20 - What events can result in autoimmune disease?Ch. 20 - Prob. 1CCSCh. 20 - Prob. 2CCSCh. 20 - Prob. 3CCSCh. 20 - Prob. 4CCSCh. 20 - Prob. 5CCS
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