What problems would arise if a person had a hereditary deficiency that resulted in an inability to present antigens to T cytotoxic cells? What would the problem be if the person had a deficiency in presenting antigen to generate Th 1 (T helper 1) cells or (T helper 2) cells? Could a person having any one of these deficiencies survive in a normal environment

Q: What body structure is the site of T cell maturation?

A: T cells are also known as T lymphocytes are a type of white blood cells which are essential for…

Q: What is the two types of cells that result from activation of B and T cells?

A: Introduction: - The T and B lymphocytes (T and B Cells) are involved in antigen-specific immune…

Q: What is the first step in the antigen-antibody interaction? A.) opsonization B.) epitope production…

A: Interaction of the body with any foreign substance causing deleterious health effects is called…

Q: Which of the following is not associated with killing by a cytotoxic T cell? View Available Hint(s)…

A: T cells are type of lymphocytes ( WBC )  that play vital role in Adaptive immunity . They are formed…

Q: If a given B cell produces only one type of antibody, how do organisms produce a great diversity of…

A: The capability of the body to induce immune response is called immunity. The foreign particle that…

Q: Inflammation is the hallmark of an activated immune response. Explain how inflammation is triggered…

A: When the immune system of the body response to any trigger or irritant then it is called…

Q: Arrange the following events during the development of adaptive immune response in the order they…

A: Adaptive immune response It is also referred as the acquired immune response. It constitutes…

Q: Which of the following cells is critically important in mounting an adaptive immune response?

A: Adaptive immune response is the response that is acquired by the body after exposure to a disease…

Q: Which type of T-cell activates a macrophage to greater killing power in the presence of an…

A: A T cell is a type of lymphocyte, which develops in the thymus gland (hence the name) and plays a…

Q: Which is/are false about innate and specific immunity?     B cells are part of the innate immune…

A: The first line of defense against non-self pathogens is the innate immune response. Its response…

Q: How could you distinguish the type of T cell that is active in an immune response? In other words…

A: Macrophages are the first cell types to respond to infection. If a macrophage encounters a foreign…

Q: When a helper T cell releases interleukin-1 to stimulate other leukocytes during antigen…

A: The cells communicate through the mode of biochemical exchange. It is studied under the domain of…

Q: What is the role of helper T-cells ?

A: In immunology, the term helper T cell, which is also known as the CD4-positive cell, is used to…

Q: T cells that secrete cytokines that help antibodyresponses are called ________.a. Th1b. Th2c.…

A: T cells are also known as T lymphocytes as they are produced and mature in the thymus. They are an…

Q: What is the difference between a T-cell-dependent and T-cell- independent response?

A: Immunity is the capability of the body to fight against foreign attack and maintain the persistence…

Q: Name the 4 types of T cells and give the function of each one. (note: Suppressor T cell is also…

A: T cells are the lymphocytes and are of four main types: CD4+ helper cells, CD8+ cytotoxic cells,…

Q: How do cytotoxic T cells destroy cells bearing foreign antigens?

A: Immunology is a section of biology that includes the study of molecules, cells, and organs that…

Q: Please could you explain how lymphocytes (especially B) can maintain receptors on their surfaces? Is…

A: Cell immunity

Q: How is the cytotoxic T cell mechanism of action similar to that of complement? A. Cytotoxic T cells…

A: To neutralize antigen three possible ways are there: - Phagocytosis - ADCC (Antibody-dependent…

Q: These two cells destroy an infected cell by releasing chemicals that cause apoptosis. a. NK cell and…

A: A series of certain molecular reactions might cause the death of a biological cell. This phenomenon…

Q: The T cell response follows the antibody-mediated B cell immunity.  What is the connection between…

A: SARS Cov 2 is the virus which cause Corona infections . The body have its own mechanism to fight…

Q: Immature B cells can drive strong adaptive immune responses by maturing into _______. Group of…

A: There is some information about B cells ; B cells are at the centre of the adaptive humoral immune…

Q: How do helper and cytotoxic T cells recognize and respond to antigens?

A: The body has the innate and adaptive type of immune response. Adaptive immunity is a specific type…

Q: If you had to choose between losing function of your B or T cells, which would you choose, and why?

A: INTRODUCTION B cells Type of lymphocytes that are responsible for humoral immunity. T cell This is a…

Q: What occurs in an antibody-mediated response? Select all that apply.

A: Answer: ANTIBODY-MEDIATED RESPONSE is also known as humoral response in body , in which by the help…

Q: CD1-restricted α:β T cells respond to lipid antigens of mycobacterial pathogens using all except…

A: Introduction  The cluster of differentiation (also known as cluster of designation or classification…

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: Must an antigen-presenting cell (dendritic cell, macrophage) be infected with a virus to activate T…

A: There are found a variety of tissue types. Professional antigen-presenting cells, including…

Q: Which type of T cell is most important in both cellular and humoral immunity? Why?

A: T cells or T lymphocytes are a sub population of lymphocytes that are produced in the bone marrow…

Q: If a non-immune cell becomes infected with a virus, how is it recognised by the immune response?…

A: The immune system is termed as the host-defense mechanism. By adopting this mechanism, an individual…

Q: What are the differences in the types of antigens recognized by antibodies and T cell receptors?

A: Antigens are foreign molecules that aid in the trigger of specific immune responses. They activate…

Q: How does a cytotoxic T cell (or NKcell) avoid being killed by the perforinand granzymes that it…

A: A kind of immune cell which has the ability to kill specific cells, such as foreign cells, cancer…

Q: Centrocytes which have successfully taken up and processed antigen from follicular dendritic cells…

A: Follicular dendritic cells (FDCs) are stromal cells in primary follicles also secondary and tertiary…

Q: How could you distinguish the type of T cell that is active in an immune response? What outcomes…

A: T-cell is a type of white blood cell which is an essential part of the immune system in the body.…

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: In what way does the T cell’s membrane receptors differ from the B cell’s membrane receptor? In…

A: B cells and T cells are lymphocytes (white blood cells) , they are made in bone marrows and work to…

Q: Which type of T cell participates in both cell-mediated and antibody-mediated immune responses?

A: Acquired immunity, is capable of recognizing, selecting and eliminating specific foreign antigens.…

Q: Which of the following cells does not phagocytose pathogens? granulocytes B cells dendritic cells…

A: Introduction Phagocytosis is the process by which a cell utilizes its plasma membrane to engulf a…

Q: Which of the following is TRUE regarding Gram negative bacteria? a- Their cell wall is composed of a…

A: Dear student, you have posted three separate questions, in a single question. Please don't make it…

Q: What is the origin of the phagocytes andlymphocytes active in the immune response? Track…

A: Immunology is the branch of medical science that deals with the study of the immune system and…

Q: Homing of effector T cells to inflamed tissue is facilitated by the upregulation of _____ on the…

A: Answer : Option (a) VLA -4 Homing of effector T cells to inflamed tissue is facilitated by the…

Q: What is a lymphocyte central to adaptive immunity that targets infected or cancerous body cells?

A: T cells belong to a group of white blood cells known as lymphocytes and play a central role in the…

Q: In the adaptive immune response which antigen are mount cellular responses? T helper lymphocytes T…

A: The immune system helps the body fight against infections. There are two types of immunity: innate…

Q: Which T-lymphocytes activate the B-cell response? 1- suppressor T-cells. 2- cytotoxic T-cells. 3-…

A: Lymphocytes Lymphocytes are the white blood cells found in the lymph. They play an important role in…

Q: Why do you think two signals are required for B- and T-cell activation but only one signal is…

A: A cell that displays antigen bound by major histocompatibility complex (MHC) proteins on its surface…

Q: Identify each immune response as either humoral (H) or cellular (C). A. release of histamine…

A: The immune system is the defense system that fights against various pathogens and foreign particles…