When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.

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Chapter 40.4, Problem 1TYK

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When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.

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Which of the following is NOT an example of non-specific (innate) resistance mechanisms interacting directly with specific acquired immunity mechanisms? what option below is the answer? Antibodies binding to bacterial surface antigens, coating (opsonizing) the bacteria and enhancing their phagocytosis by leukocytes Macrophages and dendritic cells presenting antigens to lymphocytes None of the other four answers (All are examples of interaction between innate and acquired resistance) Antibody-dependent cell-mediated cytotoxicity Complement being activated by antigen-antibody binding

Generally, polysaccharides are not good antigens, because B cells that recognize them cannot get T-cell help. But for some pathogens, such as Streptococcus pneumoniae opsonization by antibodies that bind the thick polysaccharide "capsule" layer surrounding the bacteria is the major mechanism of clearing the infection. As expected, a pure polysaccharide vaccine is not terribly effective, but much better immunity is achieved by vaccinating with a polysaccharide covalently linked "conjugated" to an unrelated protein. Explain how this conjugate vaccine allows B cells capable of making anti-polysaccharide antibodies.

All of the following are true of antigen-presenting cells (APCs) EXCEPT: which option below is the answer? None of the other four answers (All are true statements about APCs) They can interact directly with lymphocytes They include macrophages and dendritic cells APCs by themselves cannot distinguish between different microbial antigens, remember them later, or respond specifically to them They are non-specific cells and they play no role in activating or triggering specific immune responses

Answer 2

Question

Chapter 40.4, Problem 1TYK

Summary Introduction

Introduction:

When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.

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Answer 3

Question

Chapter 40.4, Problem 1TYK

Summary Introduction

Introduction:

When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.

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Answer 4

Question

Chapter 40.4, Problem 1TYK

Summary Introduction

Introduction:

When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.

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Answer 5

Chapter 40.4, Problem 1TYK

Summary Introduction

Introduction:

When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.

Answer 6

Chapter 40.4, Problem 1TYK

Summary Introduction

Introduction:

When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.

Answer 7

Chapter 40.4, Problem 1TYK

Summary Introduction

Introduction:

When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.

Answer 8

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Answer 11

Ch. 40.1 - Prob. 1TYK Ch. 40.1 - Prob. 2TYK Ch. 40.2 - Prob. 1BC Ch. 40.2 - Inflammation is often associated with swelling of...Ch. 40.2 - Prob. 1TYK Ch. 40.2 - Prob. 2TYK Ch. 40.3 - Prob. 1CC Ch. 40.3 - Prob. 2CC Ch. 40.3 - Prob. 3CC Ch. 40.3 - Prob. 4CC

When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.

Solution Summary: The author explains that allergy is an inappropriately strong immune response to a foreign substance in the body that is harmless or of little danger.

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When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.

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Chapter 40 Solutions

When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.

Solution Summary: The author explains that allergy is an inappropriately strong immune response to a foreign substance in the body that is harmless or of little danger.

Concept explainers

Videos

Introduction: When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.

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Chapter 40 Solutions

Introduction:

When the body’s immune system responds to a foreign substance that is not harmful, it is termed as an allergy. The foreign bodies are called allergens which could be pollen, foods, or dust.