The white blood cell illustrated (mark all that apply) (A) is number three in WBC frequency (B) is phagocytic / or will become phagocytic (C) releases histamine (D) is the precursor cell to a plasma cell (E) is classified as a 'granulocyte'

Q: Antigen is injected through vaccination into the same site as a previous injection of that same…

A: Antigen antibody complex  This is an immune complex also called antigen bound antibody that is…

Q: What are the structural and functional differences between a B cell and a plasma cell?

A: Lymphocytes or the white blood cells are a part of teh immune system. They are of to types namely, B…

Q: Diagram an IgG molecule and label (a) the Fc region and (b) the areas that combine with antigen.

A: Glycoprotein molecules produced by plasma cells, in response to an antigen, is known as…

Q: Hybridomas are formed by fusing antibody-producingwhite blood cells with:(a) Viruses(b) Bacteria(c)…

A: Hybridoma is a hybrid cell used for the production of large quantities of antibodies which are used…

Q: The immune system of a person is supressed. He was found positive for a pathogen in the diagnostic…

A: ELISA refers to the enzyme-linked immunosorbent assay. It is a plate-based assay technique and is…

Q: To become a fully activated, antibody-secreting cell, B cellsusually need:(a) To encounter an…

A: Differentiation of B cells is important for the completion of the adaptive immune response. It is…

Q: nterferons are:  (a) Cytokine barriers (b) Physical barriers (c) Cellular barriers (d)…

A: Interferons (IFN) are glycoproteins produced by specific cells in response to the presence of…

Q: DiGeorge syndrome is the result of the absence or immaturity of the thymus gland at birth. This…

A: The immune system of the body consists of immune cells which is responsible for removing the foreign…

Q: B) Complement system activation and elimination of a bacterial pathogen "Map the activation of the…

A: The complement system is a part of the body's defence system that enhances the ability of antibodies…

Q: For question with blanks, choose the combination of answers that most accurately completes the…

A: Immunology is a part of science that covers the investigation of immune frameworks taking all things…

Q: Name the cells which are : (i) double negative T cells (ii) double positive T cells

A: T cells are a part of immune system and develop from stem cells in the bone marrow. They protect the…

Q: Using the letters from column B, match the cell description in column A. (Note that all require more…

A: Different immune cells are involved in mediating protection to the host against the pathogen. There…

Q: Explain the mechanism by which (A) macrophages and NK cells, and (B) macrophages and effector T…

A: Macrophages are the specialized cells that are involved in the process of detection, phagocytosis,…

Q: Stem cells responsible for the process of lymphopoiesis are located in the (a) thymus and spleen.…

A: Lymphocytes are white blood cells responsible for defending the body from pathogens and other…

Q: Match Column I with Column II :Column I                       Column II(a) Eosinophils…

A: The blood is the fluid connective tissue that plays an important role in transporting oxygen,…

Q: Select the best answer or answers from the choices given: Which antibody class is abundant in body…

A: The Y-shaped proteins produced by the body's immune system that function to bind a foreign particle…

Q: A person with AIDS will probably:(a) Not make antibody(b) Make a response to T-dependent antigens(c)…

A: AIDS stands for Acquired Immuno Deficiency Syndrome. It is a viral disease caused by Human Immuno…

Q: The major histocompatibility complex (MHC) (a) consists of Y-shaped molecules (b) encodes certain…

A: Immunology is an important branch of biology which include the study of immunity of different…

Q: How many types of “foreign molecules” (use the proper term where needed) does each cell recognize?…

A: Antigens can be classified according to their source: Antigens from outside the body Exogenous…

Q: Name

A: Cytokoines:- Are a large group of proteins, peptides or glycoproteins that are secreted by specific…

Q: Progression from early-stage HIV disease to AIDS can beexpected within a few months:(a) In nearly…

A: HIV is also known as the human immunodeficiency virus is the virus that causes AIDS (acquired…

Q: Why are only very small amounts of antigen injected?

A: Antigens are any foreign substances which evoke immune response in our body as they enters the body.…

Q: T cells and B cells can be activated only by, (a) pathogenic microorganisms.(b) interleukins,…

A: T cell, also called T lymphocyte, type of leukocyte (white blood cell) that is an essential part of…

Q: Complement activation: (a) stimulates inflammation. (b) attracts phagocytes.(c) enhances…

A: The complement system is a collection of more than 20 proteins found in the blood and tissue fluids…

Q: Granzyme and perforin are used by what cell type in the immune system to carry out its function? O…

A: Immune system of the body contains several types of cells that are involved in cellular function…

Q: 7. Lymphatic capillaries function to transport all of the following EXCEPT Choose from the…

A: We know that The blood circulatory system and lymphatic system are highly connected with each other…

Q: 1. ___ , including mast cells, eosinophils, basophils, and ___ , respond to multiple extracellular…

A: When the immune system is weakened or compromised, it is less effective at protecting the body, and…

Q: 1. (a) (b) (c) (d) (e) (f) (g) (h) Provide the word that best fits the definition for each part…

A: A system of blood proteins that produces a protease cascade on activation that can lead to marking…

Q: Ted finds out that he has been exposed to the measles and is concerned that he might have contracted…

A: Rubella also referred to as German measles, is an infectious disease triggered by the rubella virus.…

Q: What is the other pathway of antigen processing? What is the advantage of having two distinct…

A: Antigen processing, also known as the cytosolic pathway, is an immune mechanism which prepares…

Q: One of the common characteristics of lymphocytes (1), neutrophils, and macrophages) the resulting…

A: In the human body, the resistance against the entry of any foreign particle or antigens is executed…

Q: Immune system of humans     a) Secreted B cell receptors can function as opsonins.   b) MHC class II…

A: The immune system is a complex network of cells, tissues, and organs that work together to defend…

Q: ........ functional barrier that prevents passage of antibiotics, and toxins from the blood to…

A: The nervous system is the complex part which consists of network of nerve cells and fibers that is…

Q: Match the following with A. First line of defense, B. second line of defense, C third line of…

A: INTRODUCTION         In the human body there are three lines of defence it may fight against the…

Q: The classical sign calor, associated with inflammation, is the result of what physiological event…

A: Inflammation is basically the reaction of the immune system against any foreign antigens. The white…

Q: Plasma cells  (A) tag pathogens with antibodies  (B) are a fragment of a megakaryocyte (C) attack…

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

Q: A 24- year old man begins cyclosporine following kidney trasnplantation. Cyclosporine decreases the…

A: Cyclosporine is a medication that is used to prevent transplant rejection in individuals who have…

Q: After observing the following image, you can make which of the following statements? Choose from…

A: The human blood groups can be divided into four types based on the Landsteiner grouping. And…

Q: A)    In general, list three unique factors that differentiate the TH1 subset from the other…

A: Introduction T cells also called "T lymphocytes" are the immune cells produced in the Thymus. These…

Q: Which statement best describes the location and flow of lymph in a healthy animal?

A: Lymph is a clear, colorless fluid that circulates throughout the body's lymphatic system. It is…