The reason why the people with B cell defects acquire numerous bacterial infections, whereas those with T cell defects get viral diseases. Introduction: The immune system can divide foreign substances into two groups. One group involves antigens which can circulate freely in the body. Some molecules, viruses and foreign cells can be involved in this group. Second group involves self cells, which show aberrant MHC proteins. MHC proteins are originated from exogenous antigen that have been broken down or engulfed or are virus infected and cancer cells which can produce foreign proteins actively.

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Answer 1

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Chapter 18, Problem 4CT

Summary Introduction

To explain:

The reason why the people with B cell defects acquire numerous bacterial infections, whereas those with T cell defects get viral diseases.

Introduction:

The immune system can divide foreign substances into two groups. One group involves antigens which can circulate freely in the body. Some molecules, viruses and foreign cells can be involved in this group.

Second group involves self cells, which show aberrant MHC proteins. MHC proteins are originated from exogenous antigen that have been broken down or engulfed or are virus infected and cancer cells which can produce foreign proteins actively.

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Answer 2

Question

Chapter 18, Problem 4CT

Summary Introduction

To explain:

The reason why the people with B cell defects acquire numerous bacterial infections, whereas those with T cell defects get viral diseases.

Introduction:

The immune system can divide foreign substances into two groups. One group involves antigens which can circulate freely in the body. Some molecules, viruses and foreign cells can be involved in this group.

Second group involves self cells, which show aberrant MHC proteins. MHC proteins are originated from exogenous antigen that have been broken down or engulfed or are virus infected and cancer cells which can produce foreign proteins actively.

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Answer 3

Question

Chapter 18, Problem 4CT

Summary Introduction

To explain:

The reason why the people with B cell defects acquire numerous bacterial infections, whereas those with T cell defects get viral diseases.

Introduction:

The immune system can divide foreign substances into two groups. One group involves antigens which can circulate freely in the body. Some molecules, viruses and foreign cells can be involved in this group.

Second group involves self cells, which show aberrant MHC proteins. MHC proteins are originated from exogenous antigen that have been broken down or engulfed or are virus infected and cancer cells which can produce foreign proteins actively.

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Answer 4

Question

Chapter 18, Problem 4CT

Summary Introduction

To explain:

The reason why the people with B cell defects acquire numerous bacterial infections, whereas those with T cell defects get viral diseases.

Introduction:

The immune system can divide foreign substances into two groups. One group involves antigens which can circulate freely in the body. Some molecules, viruses and foreign cells can be involved in this group.

Second group involves self cells, which show aberrant MHC proteins. MHC proteins are originated from exogenous antigen that have been broken down or engulfed or are virus infected and cancer cells which can produce foreign proteins actively.

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Answer 5

Chapter 18, Problem 4CT

Summary Introduction

To explain:

The reason why the people with B cell defects acquire numerous bacterial infections, whereas those with T cell defects get viral diseases.

Introduction:

The immune system can divide foreign substances into two groups. One group involves antigens which can circulate freely in the body. Some molecules, viruses and foreign cells can be involved in this group.

Second group involves self cells, which show aberrant MHC proteins. MHC proteins are originated from exogenous antigen that have been broken down or engulfed or are virus infected and cancer cells which can produce foreign proteins actively.

Answer 6

Chapter 18, Problem 4CT

Summary Introduction

To explain:

The reason why the people with B cell defects acquire numerous bacterial infections, whereas those with T cell defects get viral diseases.

Introduction:

The immune system can divide foreign substances into two groups. One group involves antigens which can circulate freely in the body. Some molecules, viruses and foreign cells can be involved in this group.

Second group involves self cells, which show aberrant MHC proteins. MHC proteins are originated from exogenous antigen that have been broken down or engulfed or are virus infected and cancer cells which can produce foreign proteins actively.

Answer 7

Chapter 18, Problem 4CT

Summary Introduction

To explain:

The reason why the people with B cell defects acquire numerous bacterial infections, whereas those with T cell defects get viral diseases.

Introduction:

The immune system can divide foreign substances into two groups. One group involves antigens which can circulate freely in the body. Some molecules, viruses and foreign cells can be involved in this group.

Second group involves self cells, which show aberrant MHC proteins. MHC proteins are originated from exogenous antigen that have been broken down or engulfed or are virus infected and cancer cells which can produce foreign proteins actively.

Answer 8

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Answer 11

Ch. 18 - Prob. 1MC Ch. 18 - Prob. 2MC Ch. 18 - Prob. 3MC Ch. 18 - Prob. 4MC Ch. 18 - Prob. 5MC Ch. 18 - Prob. 6MC Ch. 18 - Prob. 7MC Ch. 18 - Prob. 8MC Ch. 18 - Prob. 9MC Ch. 18 - Prob. 10MC

Solution Summary: The author explains how the immune system divides foreign substances into two groups — antigens, viruses, and foreign cells. Antibody-mediated (humoral response) response consists of "B-cells".

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