The basic cause of autoimmune diseases; what normally prevents them; and three reasons why an autoimmune disease may appear, with an example of each. Introduction: Hypersensitivity is an abnormal and harmful reaction towards an antigen. It includes allergies, autoimmunity (reaction to self-antigen), alloimmunity (reaction to transplanted tissues). Allergies are reactions to an antigen from the environments. Such environmental antigens are known as allergens, which occur in pollen, poison ivy, dust, mold, vaccines, wasp venom, bee, animal dander. It also present in foods such as milk, egg, shellfish, nuts and some plants.

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Chapter 21.6, Problem 3AYLO

Summary Introduction

To discuss:

The basic cause of autoimmune diseases; what normally prevents them; and three reasons why an autoimmune disease may appear, with an example of each.

Introduction:

Hypersensitivity is an abnormal and harmful reaction towards an antigen. It includes allergies, autoimmunity (reaction to self-antigen), alloimmunity (reaction to transplanted tissues). Allergies are reactions to an antigen from the environments. Such environmental antigens are known as allergens, which occur in pollen, poison ivy, dust, mold, vaccines, wasp venom, bee, animal dander. It also present in foods such as milk, egg, shellfish, nuts and some plants.

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Answer 2

Question

Chapter 21.6, Problem 3AYLO

Summary Introduction

To discuss:

The basic cause of autoimmune diseases; what normally prevents them; and three reasons why an autoimmune disease may appear, with an example of each.

Introduction:

Hypersensitivity is an abnormal and harmful reaction towards an antigen. It includes allergies, autoimmunity (reaction to self-antigen), alloimmunity (reaction to transplanted tissues). Allergies are reactions to an antigen from the environments. Such environmental antigens are known as allergens, which occur in pollen, poison ivy, dust, mold, vaccines, wasp venom, bee, animal dander. It also present in foods such as milk, egg, shellfish, nuts and some plants.

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Answer 3

Question

Chapter 21.6, Problem 3AYLO

Summary Introduction

To discuss:

The basic cause of autoimmune diseases; what normally prevents them; and three reasons why an autoimmune disease may appear, with an example of each.

Introduction:

Hypersensitivity is an abnormal and harmful reaction towards an antigen. It includes allergies, autoimmunity (reaction to self-antigen), alloimmunity (reaction to transplanted tissues). Allergies are reactions to an antigen from the environments. Such environmental antigens are known as allergens, which occur in pollen, poison ivy, dust, mold, vaccines, wasp venom, bee, animal dander. It also present in foods such as milk, egg, shellfish, nuts and some plants.

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Answer 4

Question

Chapter 21.6, Problem 3AYLO

Summary Introduction

To discuss:

The basic cause of autoimmune diseases; what normally prevents them; and three reasons why an autoimmune disease may appear, with an example of each.

Introduction:

Hypersensitivity is an abnormal and harmful reaction towards an antigen. It includes allergies, autoimmunity (reaction to self-antigen), alloimmunity (reaction to transplanted tissues). Allergies are reactions to an antigen from the environments. Such environmental antigens are known as allergens, which occur in pollen, poison ivy, dust, mold, vaccines, wasp venom, bee, animal dander. It also present in foods such as milk, egg, shellfish, nuts and some plants.

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Answer 5

Chapter 21.6, Problem 3AYLO

Summary Introduction

To discuss:

The basic cause of autoimmune diseases; what normally prevents them; and three reasons why an autoimmune disease may appear, with an example of each.

Introduction:

Hypersensitivity is an abnormal and harmful reaction towards an antigen. It includes allergies, autoimmunity (reaction to self-antigen), alloimmunity (reaction to transplanted tissues). Allergies are reactions to an antigen from the environments. Such environmental antigens are known as allergens, which occur in pollen, poison ivy, dust, mold, vaccines, wasp venom, bee, animal dander. It also present in foods such as milk, egg, shellfish, nuts and some plants.

Answer 6

Chapter 21.6, Problem 3AYLO

Summary Introduction

To discuss:

The basic cause of autoimmune diseases; what normally prevents them; and three reasons why an autoimmune disease may appear, with an example of each.

Introduction:

Hypersensitivity is an abnormal and harmful reaction towards an antigen. It includes allergies, autoimmunity (reaction to self-antigen), alloimmunity (reaction to transplanted tissues). Allergies are reactions to an antigen from the environments. Such environmental antigens are known as allergens, which occur in pollen, poison ivy, dust, mold, vaccines, wasp venom, bee, animal dander. It also present in foods such as milk, egg, shellfish, nuts and some plants.

Answer 7

Chapter 21.6, Problem 3AYLO

Summary Introduction

To discuss:

The basic cause of autoimmune diseases; what normally prevents them; and three reasons why an autoimmune disease may appear, with an example of each.

Introduction:

Hypersensitivity is an abnormal and harmful reaction towards an antigen. It includes allergies, autoimmunity (reaction to self-antigen), alloimmunity (reaction to transplanted tissues). Allergies are reactions to an antigen from the environments. Such environmental antigens are known as allergens, which occur in pollen, poison ivy, dust, mold, vaccines, wasp venom, bee, animal dander. It also present in foods such as milk, egg, shellfish, nuts and some plants.

Answer 8

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Answer 11

Ch. 21.1 - Prob. 1BYGO Ch. 21.1 - Prob. 2BYGO Ch. 21.1 - Prob. 3BYGO Ch. 21.1 - Prob. 4BYGO Ch. 21.1 - Prob. 5BYGO Ch. 21.1 - Prob. 1AYLO Ch. 21.1 - Prob. 2AYLO Ch. 21.1 - Prob. 3AYLO Ch. 21.1 - Prob. 4AYLO Ch. 21.1 - Prob. 5AYLO

Solution Summary: The author explains that hypersensitivity is an abnormal and harmful reaction towards an antigen, which includes allergies, autoimmunity, and alloimnity. The main cause of autoimmune diseases is failure of self-to

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