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What is the molecule that stimulates an immune response?
What is the molecule that stimulates an immune response?
Which type of immune system is non-specific?
Which type of immune system is non-specific?
What specialized protein tags antigens for destruction?
What specialized protein tags antigens for destruction?
What type of immune defense depends on the action of antibodies?
What type of immune defense depends on the action of antibodies?
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Which white blood cells directly kill infected cells?
Which white blood cells directly kill infected cells?
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What type of immune defense involves the destruction of foreign cells by T cells?
What type of immune defense involves the destruction of foreign cells by T cells?
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What is the term for a disease-causing organism?
What is the term for a disease-causing organism?
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What is the term for the antibody-producing white blood cells?
What is the term for the antibody-producing white blood cells?
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What is the immune response where the body attacks itself?
What is the immune response where the body attacks itself?
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What is the immune response where the body cannot generate appropriate immune responses against invading microorganisms?
What is the immune response where the body cannot generate appropriate immune responses against invading microorganisms?
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What is the immune response where the body generates an excessive immune response to often harmless foreign antigens and damages normal tissues?
What is the immune response where the body generates an excessive immune response to often harmless foreign antigens and damages normal tissues?
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What is the term for a molecule that contains the antigens of a pathogen and induces an immune response?
What is the term for a molecule that contains the antigens of a pathogen and induces an immune response?
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What are the primary lymphatic organs?
What are the primary lymphatic organs?
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Which system provides feverishly fast defense within minutes and without memory of previous pathogens?
Which system provides feverishly fast defense within minutes and without memory of previous pathogens?
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What is the function of the complement system?
What is the function of the complement system?
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How many pathways are there for the complement system?
How many pathways are there for the complement system?
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What is the role of antigens in the immune response?
What is the role of antigens in the immune response?
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Which cells are activated by antibodies?
Which cells are activated by antibodies?
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What is the main function of B cells in the immune system?
What is the main function of B cells in the immune system?
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What is the primary function of T cells in the immune system?
What is the primary function of T cells in the immune system?
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Which immune system response involves the recognition of 'non-self' by the immune system?
Which immune system response involves the recognition of 'non-self' by the immune system?
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What is the term for protection against infection?
What is the term for protection against infection?
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Which organs are considered secondary lymphatic organs?
Which organs are considered secondary lymphatic organs?
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What is the coordinated reaction of the immune system against infections known as?
What is the coordinated reaction of the immune system against infections known as?
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What does the spleen remove in the immune system?
What does the spleen remove in the immune system?
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What happens if the spleen doesn't work properly?
What happens if the spleen doesn't work properly?
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All of these are part of the innate immune system EXCEPT:
All of these are part of the innate immune system EXCEPT:
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Cellular Immunity and Humoral Immunity are part of the Adaptive Immune System
Cellular Immunity and Humoral Immunity are part of the Adaptive Immune System
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Which system does not have defenses againts a pathogen but has a guard against all infection?
Which system does not have defenses againts a pathogen but has a guard against all infection?
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Mention the physical barriers involved in the Innate Immune System
Mention the physical barriers involved in the Innate Immune System
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Which of these physical barriers in the immune system acts as barriers?
Which of these physical barriers in the immune system acts as barriers?
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Mention the chemical barriers involved in the innate immune system
Mention the chemical barriers involved in the innate immune system
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Mention the inflammatory cells in the innate immune system
Mention the inflammatory cells in the innate immune system
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Which type of lymphocytes does the cell mediated response of the adaptive immune system release?
Which type of lymphocytes does the cell mediated response of the adaptive immune system release?
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Which type of lymphocytes does the humoral mediated response of the adaptive immune system release?
Which type of lymphocytes does the humoral mediated response of the adaptive immune system release?
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What is the external first line of defense in the innate immune system?
What is the external first line of defense in the innate immune system?
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What is the internal secondary line of defense?
What is the internal secondary line of defense?
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All of these are functions of the complement system EXCEPT ONE
All of these are functions of the complement system EXCEPT ONE
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Which receptor is seen in Phagocytosis and Opsonization?
Which receptor is seen in Phagocytosis and Opsonization?
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Which receptor is seen in Cytolysis?
Which receptor is seen in Cytolysis?
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What is the name that identifies the cells that belong in the body and carry specific markers?
What is the name that identifies the cells that belong in the body and carry specific markers?
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Study Notes
Understanding the Immune System
- The immune system is a complex collection of cells, tissues, and organs that work together to defend the body against invading organisms such as pathogens, substances, and abnormal cells.
- It must accurately distinguish "self" from "non-self" and is crucial for maintaining overall health and wellbeing by preventing infections and promoting quick recovery.
- Immunity refers to protection against infection, and the coordinated reaction of the immune system against infections is known as the immune response.
- The primary lymphatic organs are the red bone marrow and thymus gland, while the secondary ones include lymph nodes and the spleen.
- The immune system is designed to defend the body against various invaders, including microorganisms, cancer cells, and transplanted organs and tissues.
- The innate immune system provides feverishly fast defense within minutes, without memory of previous pathogens, and is not directed against any specific pathogen.
- It includes external (first line) defenses like physical and chemical barriers, and internal (secondary line) defenses involving an inflammatory response and the recognition of invading organisms by phagocytes and the complement system.
- The complement system functions include the activation of inflammation, opsonization of pathogens, and direct killing of target cells/microbes by lysis.
- There are two pathways for the complement system: classical, triggered directly by a pathogen, and alternative, triggered by C3b opsonizing and killing pathogens.
- The adaptive immune response is activated when pathogens bypass innate immune defense and involves the recognition of "non-self" by the immune system, leading to cellular and chemical defenses against it.
- Antigens are substances that recognize pathogens and stimulate an immune response, and the immune system responds by producing antibodies that attach to the antigen to destroy the pathogen.
- Cells activated by antibodies are lymphocytes, including B cells and T cells, and the immune system uses humoral and cell-mediated immunity to combat pathogens.
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Description
Test your knowledge of the immune system with this quiz. Explore topics such as innate and adaptive immunity, lymphatic organs, complement system pathways, and the role of antigens and antibodies in defending the body against pathogens.
