Figure 42.11 Which of the following statements about T cells is false? Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are CD4+, while cytotoxic T cells are CD8 + . MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. The T cell receptor is found on both CD4+ and CD8+ T cells.

Question

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Answer 1

Textbook Question

Chapter 42, Problem 1VCQ

Figure 42.11 Which of the following statements about T cells is false?

Helper T cells release cytokines while cytotoxic T cells kill the infected cell.

Helper T cells are CD4+, while cytotoxic T cells are CD8⁺.

MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

The T cell receptor is found on both CD4+ and CD8+ T cells.

Chapter 42, Problem 1VCQ, Figure 42.11 Which of the following statements about T cells is false? Helper T cells release

Expert Solution & Answer

Summary Introduction

Introduction:

Majority of the lymphocytes circulating in the blood are made up of the cells called the T lymphocytes involved in the cell-mediated immune response. The types of T cells include the helper T cells, natural killer T cells, cytotoxic T cells, memory T cells, suppressor T cells, and gamma delta T cells.

Answer to Problem 1VCQ

Incorrect answer:

The incorrect answer is option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

Explanation of Solution

Explanation/justification for the incorrect answer:

Option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. Major histocompatibility class (MHC) I molecules are the proteins present on the surfaces of all the nucleated cells displaying fragments of proteins from the infectious agents to the T cells. The Major histocompatibility class (MHC) II moleculesare found mainly on the cells containing antigens and on the lymphocytes and they trigger an immune response by interacting with the helper T cells. So, the incorrect answer is option (c).

Explanation for the incorrect answer:

Option (a) Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are activated by the presence of the peptide antigens presented by the MHC molecules, rapidly divide and secrete proteins called cytokines assisting in the immune response. The cytotoxic T cells destroy the tumor cells and the virus-infected cells. So, this is a correct option.

Option (b) Helper T cells are CD4+, while cytotoxic T cells are CD8+. The T helper cells are also called the CD4+ T cells as they express the CD4 glycoprotein on their surface and the cytotoxic T cells are also called the CD8+ T cells as they express the CD8 glycoprotein at their surface. So, this is a correct option.

Option (d) The T cell receptor is found on both CD4+ and CD8+ T cells. The T cell receptor is found on both the helper T cells or the CD4+ and the cytotoxic T cells or the CD8+ T cells. So, this is a correct option.

Conclusion

Thus, MHC I cells are present on all the nucleated cells of the body and MHC II cells are present only on the immune cells. Hence, the incorrect answer is option (c)MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

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Answer 2

Textbook Question

Chapter 42, Problem 1VCQ

Figure 42.11 Which of the following statements about T cells is false?

Helper T cells release cytokines while cytotoxic T cells kill the infected cell.

Helper T cells are CD4+, while cytotoxic T cells are CD8⁺.

MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

The T cell receptor is found on both CD4+ and CD8+ T cells.

Chapter 42, Problem 1VCQ, Figure 42.11 Which of the following statements about T cells is false? Helper T cells release

Expert Solution & Answer

Summary Introduction

Introduction:

Majority of the lymphocytes circulating in the blood are made up of the cells called the T lymphocytes involved in the cell-mediated immune response. The types of T cells include the helper T cells, natural killer T cells, cytotoxic T cells, memory T cells, suppressor T cells, and gamma delta T cells.

Answer to Problem 1VCQ

Incorrect answer:

The incorrect answer is option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

Explanation of Solution

Explanation/justification for the incorrect answer:

Option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. Major histocompatibility class (MHC) I molecules are the proteins present on the surfaces of all the nucleated cells displaying fragments of proteins from the infectious agents to the T cells. The Major histocompatibility class (MHC) II moleculesare found mainly on the cells containing antigens and on the lymphocytes and they trigger an immune response by interacting with the helper T cells. So, the incorrect answer is option (c).

Explanation for the incorrect answer:

Option (a) Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are activated by the presence of the peptide antigens presented by the MHC molecules, rapidly divide and secrete proteins called cytokines assisting in the immune response. The cytotoxic T cells destroy the tumor cells and the virus-infected cells. So, this is a correct option.

Option (b) Helper T cells are CD4+, while cytotoxic T cells are CD8+. The T helper cells are also called the CD4+ T cells as they express the CD4 glycoprotein on their surface and the cytotoxic T cells are also called the CD8+ T cells as they express the CD8 glycoprotein at their surface. So, this is a correct option.

Option (d) The T cell receptor is found on both CD4+ and CD8+ T cells. The T cell receptor is found on both the helper T cells or the CD4+ and the cytotoxic T cells or the CD8+ T cells. So, this is a correct option.

Conclusion

Thus, MHC I cells are present on all the nucleated cells of the body and MHC II cells are present only on the immune cells. Hence, the incorrect answer is option (c)MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

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Answer 3

Textbook Question

Chapter 42, Problem 1VCQ

Figure 42.11 Which of the following statements about T cells is false?

Helper T cells release cytokines while cytotoxic T cells kill the infected cell.

Helper T cells are CD4+, while cytotoxic T cells are CD8⁺.

MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

The T cell receptor is found on both CD4+ and CD8+ T cells.

Chapter 42, Problem 1VCQ, Figure 42.11 Which of the following statements about T cells is false? Helper T cells release

Expert Solution & Answer

Summary Introduction

Introduction:

Majority of the lymphocytes circulating in the blood are made up of the cells called the T lymphocytes involved in the cell-mediated immune response. The types of T cells include the helper T cells, natural killer T cells, cytotoxic T cells, memory T cells, suppressor T cells, and gamma delta T cells.

Answer to Problem 1VCQ

Incorrect answer:

The incorrect answer is option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

Explanation of Solution

Explanation/justification for the incorrect answer:

Option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. Major histocompatibility class (MHC) I molecules are the proteins present on the surfaces of all the nucleated cells displaying fragments of proteins from the infectious agents to the T cells. The Major histocompatibility class (MHC) II moleculesare found mainly on the cells containing antigens and on the lymphocytes and they trigger an immune response by interacting with the helper T cells. So, the incorrect answer is option (c).

Explanation for the incorrect answer:

Option (a) Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are activated by the presence of the peptide antigens presented by the MHC molecules, rapidly divide and secrete proteins called cytokines assisting in the immune response. The cytotoxic T cells destroy the tumor cells and the virus-infected cells. So, this is a correct option.

Option (b) Helper T cells are CD4+, while cytotoxic T cells are CD8+. The T helper cells are also called the CD4+ T cells as they express the CD4 glycoprotein on their surface and the cytotoxic T cells are also called the CD8+ T cells as they express the CD8 glycoprotein at their surface. So, this is a correct option.

Option (d) The T cell receptor is found on both CD4+ and CD8+ T cells. The T cell receptor is found on both the helper T cells or the CD4+ and the cytotoxic T cells or the CD8+ T cells. So, this is a correct option.

Conclusion

Thus, MHC I cells are present on all the nucleated cells of the body and MHC II cells are present only on the immune cells. Hence, the incorrect answer is option (c)MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

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Answer 4

Textbook Question

Chapter 42, Problem 1VCQ

Figure 42.11 Which of the following statements about T cells is false?

Helper T cells release cytokines while cytotoxic T cells kill the infected cell.

Helper T cells are CD4+, while cytotoxic T cells are CD8⁺.

MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

The T cell receptor is found on both CD4+ and CD8+ T cells.

Chapter 42, Problem 1VCQ, Figure 42.11 Which of the following statements about T cells is false? Helper T cells release

Expert Solution & Answer

Summary Introduction

Introduction:

Majority of the lymphocytes circulating in the blood are made up of the cells called the T lymphocytes involved in the cell-mediated immune response. The types of T cells include the helper T cells, natural killer T cells, cytotoxic T cells, memory T cells, suppressor T cells, and gamma delta T cells.

Answer to Problem 1VCQ

Incorrect answer:

The incorrect answer is option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

Explanation of Solution

Explanation/justification for the incorrect answer:

Option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. Major histocompatibility class (MHC) I molecules are the proteins present on the surfaces of all the nucleated cells displaying fragments of proteins from the infectious agents to the T cells. The Major histocompatibility class (MHC) II moleculesare found mainly on the cells containing antigens and on the lymphocytes and they trigger an immune response by interacting with the helper T cells. So, the incorrect answer is option (c).

Explanation for the incorrect answer:

Option (a) Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are activated by the presence of the peptide antigens presented by the MHC molecules, rapidly divide and secrete proteins called cytokines assisting in the immune response. The cytotoxic T cells destroy the tumor cells and the virus-infected cells. So, this is a correct option.

Option (b) Helper T cells are CD4+, while cytotoxic T cells are CD8+. The T helper cells are also called the CD4+ T cells as they express the CD4 glycoprotein on their surface and the cytotoxic T cells are also called the CD8+ T cells as they express the CD8 glycoprotein at their surface. So, this is a correct option.

Option (d) The T cell receptor is found on both CD4+ and CD8+ T cells. The T cell receptor is found on both the helper T cells or the CD4+ and the cytotoxic T cells or the CD8+ T cells. So, this is a correct option.

Conclusion

Thus, MHC I cells are present on all the nucleated cells of the body and MHC II cells are present only on the immune cells. Hence, the incorrect answer is option (c)MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction:

Majority of the lymphocytes circulating in the blood are made up of the cells called the T lymphocytes involved in the cell-mediated immune response. The types of T cells include the helper T cells, natural killer T cells, cytotoxic T cells, memory T cells, suppressor T cells, and gamma delta T cells.

Answer to Problem 1VCQ

Incorrect answer:

The incorrect answer is option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

Explanation of Solution

Explanation/justification for the incorrect answer:

Option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. Major histocompatibility class (MHC) I molecules are the proteins present on the surfaces of all the nucleated cells displaying fragments of proteins from the infectious agents to the T cells. The Major histocompatibility class (MHC) II moleculesare found mainly on the cells containing antigens and on the lymphocytes and they trigger an immune response by interacting with the helper T cells. So, the incorrect answer is option (c).

Explanation for the incorrect answer:

Option (a) Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are activated by the presence of the peptide antigens presented by the MHC molecules, rapidly divide and secrete proteins called cytokines assisting in the immune response. The cytotoxic T cells destroy the tumor cells and the virus-infected cells. So, this is a correct option.

Option (b) Helper T cells are CD4+, while cytotoxic T cells are CD8+. The T helper cells are also called the CD4+ T cells as they express the CD4 glycoprotein on their surface and the cytotoxic T cells are also called the CD8+ T cells as they express the CD8 glycoprotein at their surface. So, this is a correct option.

Option (d) The T cell receptor is found on both CD4+ and CD8+ T cells. The T cell receptor is found on both the helper T cells or the CD4+ and the cytotoxic T cells or the CD8+ T cells. So, this is a correct option.

Conclusion

Thus, MHC I cells are present on all the nucleated cells of the body and MHC II cells are present only on the immune cells. Hence, the incorrect answer is option (c)MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction:

Majority of the lymphocytes circulating in the blood are made up of the cells called the T lymphocytes involved in the cell-mediated immune response. The types of T cells include the helper T cells, natural killer T cells, cytotoxic T cells, memory T cells, suppressor T cells, and gamma delta T cells.

Answer to Problem 1VCQ

Incorrect answer:

The incorrect answer is option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

Explanation of Solution

Explanation/justification for the incorrect answer:

Option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. Major histocompatibility class (MHC) I molecules are the proteins present on the surfaces of all the nucleated cells displaying fragments of proteins from the infectious agents to the T cells. The Major histocompatibility class (MHC) II moleculesare found mainly on the cells containing antigens and on the lymphocytes and they trigger an immune response by interacting with the helper T cells. So, the incorrect answer is option (c).

Explanation for the incorrect answer:

Option (a) Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are activated by the presence of the peptide antigens presented by the MHC molecules, rapidly divide and secrete proteins called cytokines assisting in the immune response. The cytotoxic T cells destroy the tumor cells and the virus-infected cells. So, this is a correct option.

Option (b) Helper T cells are CD4+, while cytotoxic T cells are CD8+. The T helper cells are also called the CD4+ T cells as they express the CD4 glycoprotein on their surface and the cytotoxic T cells are also called the CD8+ T cells as they express the CD8 glycoprotein at their surface. So, this is a correct option.

Option (d) The T cell receptor is found on both CD4+ and CD8+ T cells. The T cell receptor is found on both the helper T cells or the CD4+ and the cytotoxic T cells or the CD8+ T cells. So, this is a correct option.

Conclusion

Thus, MHC I cells are present on all the nucleated cells of the body and MHC II cells are present only on the immune cells. Hence, the incorrect answer is option (c)MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction:

Majority of the lymphocytes circulating in the blood are made up of the cells called the T lymphocytes involved in the cell-mediated immune response. The types of T cells include the helper T cells, natural killer T cells, cytotoxic T cells, memory T cells, suppressor T cells, and gamma delta T cells.

Answer 12

Answer to Problem 1VCQ

Incorrect answer:

The incorrect answer is option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

Answer 13

Explanation of Solution

Explanation/justification for the incorrect answer:

Option (c) MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. Major histocompatibility class (MHC) I molecules are the proteins present on the surfaces of all the nucleated cells displaying fragments of proteins from the infectious agents to the T cells. The Major histocompatibility class (MHC) II moleculesare found mainly on the cells containing antigens and on the lymphocytes and they trigger an immune response by interacting with the helper T cells. So, the incorrect answer is option (c).

Explanation for the incorrect answer:

Option (a) Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are activated by the presence of the peptide antigens presented by the MHC molecules, rapidly divide and secrete proteins called cytokines assisting in the immune response. The cytotoxic T cells destroy the tumor cells and the virus-infected cells. So, this is a correct option.

Option (b) Helper T cells are CD4+, while cytotoxic T cells are CD8+. The T helper cells are also called the CD4+ T cells as they express the CD4 glycoprotein on their surface and the cytotoxic T cells are also called the CD8+ T cells as they express the CD8 glycoprotein at their surface. So, this is a correct option.

Option (d) The T cell receptor is found on both CD4+ and CD8+ T cells. The T cell receptor is found on both the helper T cells or the CD4+ and the cytotoxic T cells or the CD8+ T cells. So, this is a correct option.

Answer 14

Conclusion

Thus, MHC I cells are present on all the nucleated cells of the body and MHC II cells are present only on the immune cells. Hence, the incorrect answer is option (c)MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only.

Answer 15

Ch. 42 - Figure 42.11 Which of the following statements...Ch. 42 - Figure 42.14 Based on what you know about MHC...Ch. 42 - Figure 42.16 The Rh antigen is found on Rh...Ch. 42 - Which of the following is a barrier against...Ch. 42 - Although interferons have several effects, they...Ch. 42 - Which organelle do phagocytes use to digest...Ch. 42 - Which innate immune system component uses MHC I...Ch. 42 - Which of the following is both a phagocyte and an...Ch. 42 - Which immune cells bind MHC molecules on APCs via...Ch. 42 - What “self” pattern is identified by NK cells?...

Answer to Problem 1VCQ

Explanation of Solution

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