How is the cytotoxic T cell mechanism of action similar to that of complement? A. Cytotoxic T cells secrete the proteins that activate complement. B. Cytotoxic T cells induce cell lysis with perforin, a protein similar to complement's MAC. C. Cytotoxic T cells activate B cells to produce antibodies. D. Cytotoxic T cells are antigen-presenting cells similar to the complement proteins found on B cells.

Q: Which is the proper order of events in cell-mediated immunity? (1) Cloning of cytotoxic T cells and…

A: The objective of the question is to determine the correct sequence of events in cell-mediated…

Q: Why is a cell-mediated immune response more effective against intracellular microorganisms (such as…

A: The objective of the question is to understand why a cell-mediated immune response is more effective…

Q: Which is not a second-line body defense? A. fever B. acid mantle of skin C. natural killer cell…

A: The immune system of the body is responsible for fighting the infections in the body and providing…

Q: How are neutrophils targeted from the blood vessels to the sites of inflammation? A. they bind to…

A: Neutrophils are a class of white blood cells that aids in the healing of damaged tissues and the…

Q: T-killer cells can target and destroy body cells. What process do they use to do this? A B с D…

A: T-killer cells, also known as cytotoxic T-cells, use a process called cell-mediated cytotoxicity to…

Q: What is the innate nonspecific immune system? O a. the production of antibody molecules against…

A: Answer : Option (a) is right. - the production of antibody molecules against pathogens.

Q: Which characteristic is associated with passive artificial immunity?a. long-term protection duration…

A: Immunology is the branch of science which deals with the study of the immune system, immune response…

Q: Please answer fast Which of the following is the most effective antihelminthic immune response of…

A: Helminthic infections are one of the leading causes of infections in humans. Nematodes and…

Q: Given what you now know about how foreign invaders trigger immune responses, explain why mutated…

A: Humans have a well-developed mechanism to fight the foreign particles entering our bodies. This…

Q: Which cytokine does not activate NK cells early in a viral infection? a. IFN-a b. IFN-b c. IFN-g d.…

A: Interferon alpha or a is produced due to leukocytes infected with virus. Interferon beta or b…

Q: Although interferons have several effects, they are particularly useful against infections with…

A: Answer is b.)  viruses.

Q: What change occurs to the adult lymphatic system as we getolder?a. The body produces and transports…

A: The lymphatic system is a collection of lymphatic vessels, lymph (a clear fluid), lymph nodes, and…

Q: Why is the secondary immune response so much stronger than theprimary response?a. Because high…

A: Answer is c.)  because memory B cells can rapidly convert to plasma cells.

Q: In what process is clonal selection important?a. Complement function c. Inflammationb. B cell…

A: Clonal selection is a process that explains how a single B or T cell that recognizes an antigen…

Q: Which DOES NOT describe monoclonal antibodies? Group of answer choices a. Monoclonal antibodies are…

A: Monoclonal antibodies are made by using identical immune cells that are all clones of a specific…

Q: What causes the delay in delayed hypersensitivity?a. inflammation b. cytokine releasec. recruitment…

A: Hypersensitivity involves the higher immune response towards an antigen or antibody. It is of four…

Q: What is the function of the blood-thymus barrier?a. It protects maturing T-lymphocytes from antigens…

A: The blood thymus barrier found in the cortex part of the thymus.

Q: Sponges display nonspecific immunity. In an experiment, the cells of two different sponges were…

A: Immunology is the branch of science that deals with the study of the immune system, its mechanisms,…

Q: Which is/are important in innate immune responses?a. interferonsb. clonal inactivationc. lymphocyte…

A: Innate immunity on non specific immunity includes all the defence elements with which and individual…

Q: Question 28 0. There are two major classes of white blood cells involved in the adaptive immune…

A: After innate immunity fails, adaptive immunity provides a stronger response to prevent the…

Q: How is the immune system involved in development of cancer?a. failure in immune surveillanceb.…

A: Immunity refers to every mechanism of the body that helps to protect the body from harmful foreign…

Q: Biologists can develop antibodies against nerve growth factor (i.e., molecules that inactivate nerve…

A: The brain is a dynamic structure that undergoes structural modifications throughout the life of an…

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: The immune system cell that binds to herpes infected cells and kills them are? A. Regulatory cells…

A: The immune system can be defined as the type of organ system which participates in protecting the…

Q: Which hypersensitivities are T-cell mediated?a. type I b. type II c. type IIId. type IV

A: Hypersensitivity is also called intolerance, or hypersensitivity reaction. Hypersensitivity is an…

Q: simple and direct answer please In the process shown in Diagram 2, what performs the function most…

A: In the image, two diagrams are represented. One diagram is showing the activation of T cells via the…

Q: How does cyclosporine A work?a. suppresses antibodiesb. suppresses T cellsc. suppresses…

A: Immunosuppressive medicines, also called immunosuppressive agents, immunosuppressants, are…

Q: Which cytokines will act on mast cells to cause degranulation and local inflammation? a. TNF-alpha…

A: Cytokines are an enormous group of peptides, proteins, or glycoproteins that are released by…

Q: How does cyclosporine A work?a. suppresses antibodiesb. suppresses T cellsc. suppresses…

A: Cyclosporine A (CSA), also called ciclosporin is a drug that has immunomodulatory properties.

Q: Which are important in nonspecific immune defenses? a. interferons b. lymphocyte activation c.…

A: The immune system is an organ system of the body that is functionally responsible for protecting the…

Q: Which of these characteristics is not a major factor in adaptive oracquired immunity?a. specificity…

A: Characteristic Specific immunity developed by lymphocytes in response to antigen termed as adaptive…

Q: Which cells of the immune system secrete antibodies? A. Natural killer cells only B. T cells only C.…

A: The immune system helps prevent the entry of foreign substances into the body. The immune system…

Q: What is the function of cytotoxic T-cells?

A: Acquired immunity develops after birth. It is provided by B and T lymphocytes.