Lymphatic System and Immune Response Quiz

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What is the medical term that describes common allergies?

Delayed hypersensitivity

Anaphylactic shock

Hypersensitivity (correct)

Immediate hypersensitivity

What type of hypersensitivity is caused by IgE binding to mast cells and causing degranulation?

Type 2

Type 1 (correct)

Type 3

Type 4

What is the purpose of epinephrine injectors in the case of anaphylactic shock?

To test for allergens

To inhibit an anaphylactic response (correct)

To destroy the immune system

To cause an anaphylactic response

What type of hypersensitivity is the body's response to a blood transfusion of the wrong type?

Type 2 Signup and view all the answers

What does the virus that causes HIV do to helper T cells?

Slowly weakens and inhibits them Signup and view all the answers

What is the defining characteristic of Type 4 hypersensitivity?

Delayed reaction with cytokine release Signup and view all the answers

Where do B cells mature?

Bone marrow Signup and view all the answers

What is the main function of NK cells?

Destroy infected cells Signup and view all the answers

What is the primary function of phagocytes?

Destroy pathogens Signup and view all the answers

Which organ is described as being very vascular and 'filtering the blood'?

Spleen Signup and view all the answers

What type of cells are macrophages and neutrophils?

Phagocytes Signup and view all the answers

What is the process by which NK cells kill infected cells?

Apoptosis Signup and view all the answers

What is the main function of dendritic cells in the immune response?

Communicate with other immune cells Signup and view all the answers

Where do T cells mature?

Thymus gland Signup and view all the answers

What is the purpose of opsonization in the immune response?

To mark pathogens for phagocytosis Signup and view all the answers

Which of the following are characteristics of inflammation?

Heat, redness, and swelling Signup and view all the answers

What is the role of histamine during inflammation?

Increase vasodilation Signup and view all the answers

What is the function of the complement system in fighting infection?

Tagging pathogens for phagocytosis Signup and view all the answers

What happens during antigen processing in the immune response?

Antigens get cleaved into smaller fragments Signup and view all the answers

What is the outcome of positive selection in thymocytes?

Apoptosis if they don't bind to self antigens Signup and view all the answers

Which cells are responsible for releasing cytokines to draw macrophages to the antigen?

Th1 cells Signup and view all the answers

What is the role of CD8 cells in the immune response?

Destroying infected cells Signup and view all the answers

What is the primary function of the lymphatic system?

To carry excess fluid and remove pathogens from the bloodstream Signup and view all the answers

How does lymph move through the lymphatic system?

Through the pressure generated by the contraction of skeletal muscles and breathing Signup and view all the answers

What is the function of lymph nodes?

To act as staging areas for an immune response Signup and view all the answers

What are lacteals?

Specialized lymphatic vessels that carry dietary lipids and fat-soluble vitamins to the liver and bloodstream Signup and view all the answers

What are the three phases of the immune system?

Barrier, innate, and adaptive Signup and view all the answers

What is the function of the barrier defenses in the immune system?

To keep intruders out of the body Signup and view all the answers

What is the main function of clones in the immune system?

They help destroy antigens by sharing the same antigen receptor. Signup and view all the answers

What is the role of regulatory T cells in the immune system?

They suppress the activity of other T cells to prevent autoimmunity. Signup and view all the answers

What is the process of getting rid of self-reactive B cells called?

Central tolerance Signup and view all the answers

What is the main function of antibodies?

They neutralize viruses by preventing them from entering host cells. Signup and view all the answers

Which type of antibody is the first to be produced during a primary immune response?

IgM Signup and view all the answers

What is the main difference between active and passive immunity?

Active immunity involves the body creating its own antibodies, while passive immunity involves the transfer of pre-existing antibodies. Signup and view all the answers

What is the role of helper T cells in the immune response?

They instruct B cells to produce antibodies. Signup and view all the answers

What is the main mechanism by which viruses evade the immune system?

They downregulate MHC class I molecules to avoid detection by cytotoxic T cells. Signup and view all the answers

What is the main treatment for Severe Combined Immunodeficiency (SCID)?

Bone marrow transplant Signup and view all the answers

How do antibodies provide protection against viruses?

They neutralize the virus by coating it and preventing it from entering host cells. Signup and view all the answers

Lymphatic System and Immune Response Quiz

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Questions and Answers

What is the medical term that describes common allergies?

What type of hypersensitivity is caused by IgE binding to mast cells and causing degranulation?

What is the purpose of epinephrine injectors in the case of anaphylactic shock?

What type of hypersensitivity is the body's response to a blood transfusion of the wrong type?

What does the virus that causes HIV do to helper T cells?

What is the defining characteristic of Type 4 hypersensitivity?

Where do B cells mature?

What is the main function of NK cells?

What is the primary function of phagocytes?

Which organ is described as being very vascular and 'filtering the blood'?

What type of cells are macrophages and neutrophils?

What is the process by which NK cells kill infected cells?

What is the main function of dendritic cells in the immune response?

Where do T cells mature?

What is the purpose of opsonization in the immune response?

Which of the following are characteristics of inflammation?

What is the role of histamine during inflammation?

What is the function of the complement system in fighting infection?

What happens during antigen processing in the immune response?

What is the outcome of positive selection in thymocytes?

Which cells are responsible for releasing cytokines to draw macrophages to the antigen?

What is the role of CD8 cells in the immune response?

What is the primary function of the lymphatic system?

How does lymph move through the lymphatic system?

What is the function of lymph nodes?

What are lacteals?

What are the three phases of the immune system?

What is the function of the barrier defenses in the immune system?

What is the main function of clones in the immune system?

What is the role of regulatory T cells in the immune system?

What is the process of getting rid of self-reactive B cells called?

What is the main function of antibodies?

Which type of antibody is the first to be produced during a primary immune response?

What is the main difference between active and passive immunity?

What is the role of helper T cells in the immune response?

What is the main mechanism by which viruses evade the immune system?

What is the main treatment for Severe Combined Immunodeficiency (SCID)?

How do antibodies provide protection against viruses?

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