Textbook Question
How does the formation of an antigen–antibody complex cause the elimination of an antigen?
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Ch. 22 The Lymphatic System and Immunity
Martini, Nath, Bartholomew12th EditionFundamentals of Anatomy and PhysiologyISBN: 9780137854011
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Table of contents
- Ch. 1 An Introduction to Anatomy and Physiology25
- Ch. 2 The Chemical Level of Organization34
- Ch. 3 The Cellular Level of Organization29
- Ch. 4 The Tissue Level of Organization24
- Ch. 5 The Integumentary System17
- Ch. 6 Bones and Bone Structure33
- Ch. 7 The Axial Skeleton11
- Ch. 8 The Appendicular Skeleton17
- Ch. 9 Joints13
- Ch. 10 Muscle Tissue12
- Ch. 11 The Muscular System28
- Ch. 12 Nervous Tissue18
- Ch. 13 The Spinal Cord, Spinal Nerves, and Spinal Reflexes22
- Ch. 14 The Brain and Cranial Nerves20
- Ch. 15 Sensory Pathways and the Somatic Nervous System17
- Ch. 16 The Autonomic Nervous System and Higher-Order Functions30
- Ch. 17 The Special Senses15
- Ch. 18 The Endocrine System21
- Ch. 19 Blood31
- Ch. 20 The Heart31
- Ch. 21 Blood Vessels and Circulation26
- Ch. 22 The Lymphatic System and Immunity25
- Ch. 23 The Respiratory System4
- Ch. 24 The Digestive System18
- Ch. 26 The Urinary System31
- Ch. 27 Fluids & Electrolytes30
- Ch. 28 The Reproductive System12
- Ch. 29 Development and Inheritance17
Martini, Nath, Bartholomew12th EditionFundamentals of Anatomy and PhysiologyISBN: 9780137854011Not the one you use?Change textbook
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Martini, Nath, Bartholomew 12th EditionCh. 22 The Lymphatic System and ImmunityProblem 24
Martini, Nath, Bartholomew 12th EditionCh. 22 The Lymphatic System and ImmunityProblem 24Chapter 22, Problem 24
An anesthesia technician is advised that she should be vaccinated against hepatitis B, which is caused by a virus. She is given one injection and is told to come back for a second injection in a month and a third injection after 6 months. Why is this series of injections necessary?
Verified step by step guidance1
Understand that the hepatitis B vaccine works by stimulating the body's immune system to produce antibodies against the virus, providing immunity.
Recognize that a single injection may not produce a strong or lasting immune response, so multiple doses are given to build and reinforce immunity over time.
The first injection introduces the antigen to the immune system, initiating the primary immune response and the production of memory cells.
The second injection, given after one month, acts as a booster to enhance the immune response, increasing antibody levels and strengthening immune memory.
The third injection, given after six months, further boosts immunity to ensure long-term protection by solidifying the immune system's memory against hepatitis B.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Hepatitis B Virus and Disease
Hepatitis B is a viral infection that affects the liver and can cause both acute and chronic disease. It is transmitted through blood and bodily fluids, making healthcare workers like anesthesia technicians at risk. Understanding the virus helps explain the need for preventive measures such as vaccination.
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B Cell Receptors
Vaccine Immunization Schedule
The hepatitis B vaccine is given in a series of injections to build and strengthen the immune response over time. The initial dose primes the immune system, while subsequent doses boost immunity, ensuring long-lasting protection. This schedule is critical for effective and durable immunity.
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Immune Memory and Booster Shots
Booster shots stimulate immune memory cells to produce a stronger and faster response upon exposure to the virus. The spaced timing of injections allows the immune system to develop memory B cells and antibodies, which are essential for long-term protection against hepatitis B infection.
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3:19Immune Tolerance
Related Practice
Textbook Question
How does a cytotoxic T cell destroy another cell displaying antigens bound to class I MHC proteins?
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Textbook Question
An investigator at a crime scene discovers some body fluid on the victim's clothing. The investigator carefully takes a sample and sends it to the crime lab for analysis. On the basis of the analysis of antibodies, could the crime lab determine whether the sample is blood plasma or semen? Explain.
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Textbook Question
Give one example of each type of immunity: innate immunity, naturally acquired active immunity, artificially acquired active immunity, artificially acquired passive immunity, and naturally acquired passive immunity.
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Textbook Question
Paula's grandfather is diagnosed as having lung cancer. His physician takes biopsies of several lymph nodes from neighboring regions of the body, and Paula wonders why, since his cancer is in the lungs. What would you tell her?
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Textbook Question
Ted finds out that he has been exposed to measles. He is concerned that he might have contracted the disease, so he goes to see his physician. The physician takes a blood sample and sends it to a lab for antibody levels and titers. The results show an elevated level and activity of IgM antibodies to rubella (measles) virus but very few IgG antibodies to the virus. Has Ted contracted the disease?
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