BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 29, Problem 10MCQ
Summary Introduction

Introduction:

AIDS is one of the most dangerous and severe diseases. It stands for “Acquired immunodeficiency syndrome”. The causative agent of this disease is a virus called “human immunodeficiency virus” or HIV . It is a type of retrovirus. This virus can cause a deficiency in the immune system of the body. The role of the immune system is to protect the body from harmful pathogens.

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CHAPTER 20 The Lymphatic System and Immunity Matching SECTION 3 Revie w Match each lettered term with the most closely related description. a. opsonization 1 b. helper T cells Two parallel pairs of polypeptide chains Found on helper T cells C. antibody d. class II MHC 3 Active and passive 4 Transfer of antibodies e. costimulation Attacked by HIV f. IgM 6 Enhances phagocytosis g. class I MHC h. IgG 7 MHC proteins present in the plasma membranes of all nucleated cells i. passive immunity j. anaphylaxis 8 Differentiate into memory and plasma cells 9 MHC proteins present in the plasma membranes of all APCS and lymphocytes 9 k. CD4 markers 10 I. acquired immunity 10 Antibodies used to determine blood type 11 m. B lymphocytes 11 Secondary binding process required for T cell activation 12 12 Accounts for 80 percent of all immunoglobulins 13 13 Circulating allergen stimulates mast cells throughout body Match each lettered term with the
Which of the following cells is critically important in mounting an adaptive immune response? a. Mast cell b. Basophil  c. Helper t cell d. Neutrophil
Suppose a person recovers normally from viral infections, but then gets the same viral infections over and over again- unlike the rest of us.  A. What is probably wrong –B cells, helper T cells and/or cytotoxic T cells? B. Should this person be at a higher risk of cancer than the rest of us?  C. Should this person be able to lyse bacterial cells as well as the rest of us? D. Should this person tolerate a graft (from an unreated person) better than you are me?
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