Explain the problem when a virus attacks T-helper cells

Q: Explain how cytotoxic T cells kill target cells.

A: APCs stands for antigen-presenting cells. They are a large group of a variety of cells that trigger…

Q: Distinguish between the functions of helper T cells andcytotoxic T cells, and explain the role of…

A: T cells are a piece of the immune framework that centers around explicit unfamiliar particles.…

Q: Compare and contrast the activities of B cells versus T cells.

A: Introduction: The immune system is involved in protecting the human body from any invading pathogen.…

Q: Describe early activity of naïve B and T cells leading to clonal expansion.

A: Naive B cells - these are present in spleen as well as human tonsil and is small cells which express…

Q: How can an intracellular virus be targeted by a particular T cell response? Describe the mechanism…

A: Immunity is the ability of the body to fight against foreign antigen in order to prevent any…

Q: This chemical is released by virus-infected cells to decrease the spread of virus to nearby cells.…

A: Virus-infected cells release certain chemicals that work as immunity protection against viruses. It…

Q: Explain how the different types of T cells are activated and their responses.

A: T-cells are the immune cells that originate from the thymus. They are responsible for the…

Q: Diagram the sequence of events in an antibody-mediated response, including the role of helper T…

A: The immune system is responsible for protecting the body from foreign pathogens. Immune system fight…

Q: Discriminate between helper T cells and Cytolytic T cells in terms of function.

A: There are various types of T lymphocytes cells in our body which produces immune responses…

Q: Molecules that label your cells as “self” area. antibodies.b. T-cell receptors.c. major…

A: The immune system of a healthy individual possess an ability to differentiate between the self cells…

Q: Describe the components of the innate immune response.  Describe the sequence of events when a…

A: The innate immune system is considered as the first line of defense, which helps to provide…

Q: Diagram the sequence of events by which a virus-infected cell isattacked and destroyed by cytotoxic…

A: Virus is a micro organism that invades a living cell to infect the host organism by release of viral…

Q: Match to its function. helps T cells mature A. spleen cleanses the blood tonsils В. cleanses the…

A: Immunity is the ability of body to fight with pathogens.Immunity includes both specific as well as…

Q: Upon reexposure to a pathogen, a memory B cell can differentiate to which cell type? a. CTL b. naïve…

A: Second line defence or non-specific defence is primarily dependent upon Neutrophils, macrophages and…

Q: An individual is infected with a particular pathogen that he had before. This results in the…

A: Immunity is a complicated biological system with the ability to recognize and accept what belongs to…

Q: B lymphocytes holding knowledge of an infectious agent for future responses are called: a) helper…

A: Immune system acts as a defense system in our body by protecting from effects of pathogens and also…

Q: Which of these cell types aids the activation of T lymphocytes by antigens? a. Macrophages b.…

A: The immune system of a body is broadly classified into innate and acquired type. Innate immunity is…

Q: which type of t-cells is specifically targeted by HIV

A: Human immunodeficiency virus (HIV) is a causative agent for the development of AIDS. Once entered,…

Q: A drug that were to inhibit the activity of T suppressor cells would lead to _______. a.…

A: Regulatory T cells (Tregs) also known as supressor t cell are a specialized subpopulation of T cells…

Q: in antibody-mediated immunity, what happens immediately after B cells are activated? a. the foreign…

A: The immune system of the body fights against foreign invaders and protect the body from infections.…

Q: What is the function of Regulatory T-cells answer in one paragraph

A: Regulatory T cells develop in the thymus. These are also known as suppressor T cells.

Q: Which type of T cell is most effective against viruses?a. Th1b. Th2c. cytotoxic T cellsd. regulatory…

A: Viruses are dead organisms which enter in the body of host and attack the immune system. Viruses…

Q: Killer T-cells help protect us from viral infections. Explain the mechanism of their action.

A: Virus are amongest the most dangerous micoorganisms. They replicate only within living host. And…

Q: What is the role of histamine in inflammatory response? Name few drugs which reduce the symptoms of…

A: Allergy is referred to as the hypersensitiveness of a person to some foreign substance when coming…

Q: Diagram the sequence of events by which a virus-infected cell is attacked and destroyed by cytotoxic…

A: Introduction: B lymphocytes and T lymphocytes are the types of lymphocytes produced in the bone…

Q: which of the following cells secrete cytokines that activate B cells, T cells, and macrophages? a. T…

A: The immune cells can be categorized into neutrophils, basophils, eosinophils, monocytes,…

Q: List 3 things that helper T cells do:

A: Thymus is the site where T-lymphocytes get mature. T-lymphocytes arises in bone marrow. when t-cells…

Q: List in points the main steps of T-cell production and maturation?

A: main steps of T-cell production and maturation:

Q: Explain how T cells are activated

A: The immune system has a vital role in protecting the body from outside pathogens (bacteria, viruses,…

Q: Microbial products trigger macrophage activation. Match the receptor with the product that it binds.…

A: Toll like receptors (TLRs) are expressed in innate  immunity cells. For example in macrophages and…

Q: Select the type of T cell that plays a role in diminshing an immune response:

A: T cell or T lymphocyte, is a vital component of the immune system. When it comes to protecting the…

Q: Activated Cytotoxic T cells:     Undergo apoptosis     Cause infected cells to undergo apoptosis…

A: T cells basically mature and produced in the "thymus". The main function of these cells is to…

Q: An individual is infected with a particular pathogen that he had before. This results in the…

A: Immune response is meant by the response body shows when any pathogen or offending agent invades  or…

Q: Give ONE example of how a defect in a T Reg cell could lead to an immunological disorder or disease.

A: T-lymphocytes or the T-cells play a crucial role in fighting against the foreign particles. T-cell…

Q: Explain a function for each of the types of T cells (TH, Tc, TR).

A: T cell, additionally called T lymphocyte, sort of leukocyte (white platelet) that is a basic piece…

Q: lain the reason that T-cells are so critical in recognizing and destroying virally-infected host…

A: When an antigen is phagocytized and harmful antigens are presented on the cell membrane of the…

Q: T cells that react with self antigens are destroyed through: A. cytokinesis b. macrophages c.…

A: The T cells are one of two lymphocytes and play an important role in the immune system. B-cells are…

Q: Antibodies bind to a foreign antigen, resulting in removal of that foreignantigen from the body.…

A: Answer: Introduction: Antibodies are glycoproteins produced by b cells in response to antigen as an…

Q: Explain why the passive transfer of T-cell immunities would behighly unlikely.

A: Passive immunity is the exchange of active humoral immunity of instant antibodies. Passive…

Q: Illustrate the T-cell developmental process

A: Introduction: The production of leucocytes (white blood cells) is referred to as leucopoiesis. It is…

Q: Which leukocyte is responsible for managing the duration of an inflammatory response and triggering…

A: The inflammatory response is the cornerstone of the body's defense against virus, bacteria, toxins…

Q: If you come down with the flu, your body will launch an immune attack against the flu virus. During…

A: A virus-bound antibody binds to receptors, called Fc receptors, on the surface of phagocytic cells…

Q: Explain the significance of the role of the thymus gland in destroying T cells that would otherwise…

A: Introduction   From the above question we have to explain significance of the role of the thymus…