Textbook Question
Class I MHC molecules display_____antigens and activate_____cells. Class II MHC molecules display _____antigens and activate_____cells.
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Ch. 20 The Lymphatic System and Immunity
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814
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Table of contents
- Ch. 1 Introduction to Anatomy and Physiology24
- Ch. 2 The Chemistry of Life37
- Ch. 3 The Cell54
- Ch. 4 Histology46
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System35
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System41
- Ch. 13 The Peripheral Nervous System41
- Ch. 14 The Autonomic Nervous System and Homeostasis31
- Ch. 15 The Special Senses39
- Ch. 16 The Endocrine System42
- Ch. 17 The Cardiovascular System I: The Heart28
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity41
- Ch. 21 The Respiratory System27
- Ch. 22 The Digestive System27
- Ch. 23 Metabolism and Nutrition7
- Ch. 24 The Urinary System39
- Ch. 25 Fluid, Electrolyte, and Acid-Base Homeostasis39
- Ch. 26 The Reproductive System10
- Ch. 27 Development and Heredity5
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Not the one you use?Change textbook
Chapter 20, Problem 17b
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The immune response to a viral infection involves NK cells and different kinds of lymphocytes.
Verified step by step guidance1
Step 1: Understand the immune response to a viral infection. The immune system uses various components to combat viral infections, including natural killer (NK) cells and lymphocytes such as T cells and B cells.
Step 2: Evaluate the role of NK cells. NK cells are part of the innate immune system and play a crucial role in identifying and destroying virus-infected cells without prior sensitization.
Step 3: Examine the role of lymphocytes. Lymphocytes, including T cells and B cells, are part of the adaptive immune system. T cells help by killing infected cells directly or by activating other immune cells, while B cells produce antibodies to neutralize the virus.
Step 4: Determine if the statement is true or false. Based on the roles of NK cells and lymphocytes, the statement is true because both NK cells and lymphocytes are involved in the immune response to viral infections.
Step 5: If the statement were false, correct it by specifying the roles of NK cells and lymphocytes in the immune response. For example, 'The immune response to a viral infection involves NK cells and lymphocytes such as T cells and B cells.'
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Immune Response
The immune response is the body's defense mechanism against pathogens, including viruses. It involves a complex interplay of various cells and proteins that identify and eliminate foreign invaders. The response can be innate, involving immediate but non-specific defenses, or adaptive, which is slower but provides a targeted attack and memory against specific pathogens.
Recommended video:
6:59
Primary and Secondary Response of Adaptive Immunity
Natural Killer (NK) Cells
Natural Killer (NK) cells are a type of lymphocyte that play a crucial role in the innate immune response. They are responsible for identifying and destroying infected or cancerous cells without prior sensitization. NK cells recognize stressed cells in the absence of antibodies and MHC, allowing for a rapid immune response to viral infections.
Recommended video:
6:53Natural Killer Cells
Lymphocytes
Lymphocytes are a subtype of white blood cells that are essential for the adaptive immune response. They include B cells, which produce antibodies, and T cells, which can directly kill infected cells or help coordinate the immune response. Different types of lymphocytes respond to specific antigens, providing a tailored defense against pathogens.
Recommended video:
3:12Lymphocytes
Related Practice
Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Dendritic cells may activate both TH and TC cells.
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Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The cells involved in organ and transplant rejection are primarily B cells.
Textbook Question
Which of the following is not a role of TH cells?
a. Stimulation of macrophages
b. Activation of naïve TC cells
c. Stimulation of naïve B cells
d. Stimulation of clonal selection
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Textbook Question
Type I hypersensitivity is due to release of inflammatory mediators from_____, and type IV hypersensitivity is due to the actions of_____.
a. TH cells; macrophages
b. neutrophils; TH cells
c. B cells; TC cells
d. mast cells; TH cells
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Textbook Question
Explain why a patient with AIDS due to HIV is at an increased risk of infection and of developing certain cancers.
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