What is the function of cytotoxic T-cells?

Q: Under what circumstances is having a fever beneficial? Under what circumstances is having a fever…

A: FEVER It is the condition of an increased body temperature which is not a disease but a symptom.  B…

Q: Which statement is true of autoimmunity? a. It involves misshapen antibodies. b. It refers to…

A: Immunity can be defined as the ability of an organism to fight against infections caused by a…

Q: Which of the following statements about T cells is false? a. Helper T cells release cytokines while…

A: Immunity is the capability of multicellular organisms to resist the attack of harmful…

Q: Which does NOT describe humoral immunity? Group of answer choices a. Antibodies are secreted by…

A: everyday we are exposed to large number of infectious agent post op however only a few of these…

Q: Humoral immunity is the part of the adaptive immune system involving: A.cytotoxic T cells killing…

A: The adaptive immune system is also known as acquired or specific immune system. It is a subset of…

Q: Which cells would make the antibodies to help the body fight off SLE? O Cytotoxic T-Cells Natural…

A: SLE is an autoimmune disorder in which immune system attack self cells.  Cytotoxic T cells and…

Q: Ibuprofen dampens the immune system’s inflammation response.What might be a short-term consequence…

A: Ibuprofen is a type of NSAID, which is used for treating inflammation, fever, pain... It basically…

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: The immune system can identify foreign cells in the bloodstream because these foreign cellsa. are…

A: Immunity is defined as the ability of an organism to prevent the entry of harmful microbes in the…

Q: Which of the following is not a function of T-helper cells: O A) It recognizes foreign fragments…

A: T cells or T-helper provide help to another cell in the immune response by recognizing foreign…

Q: Which is NOT part of innate immunity? Group of answer choices antibodies and cytotoxic T-cell…

A: Innate, or nonspecific, immunity is the defense system with which you were born. It protects you…

Q: Which term is used to describe hypersensitivity of the immune system to reLatively harmless…

A: The immune system is made up of special organs, cells and chemicals that fight infection (microbes).…

Q: Which of the following is a function of cytokines? A. Promote antibody invaders. B. Help T cells…

A: Cytokines : These are small proteins which are crucial in controlling the growth and activity of…

Q: Which of these is not part of insect immunity? (A) enzyme activation of pathogenkilling chemicals…

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

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: Natural killer cellsa. are known for attacking large parasites, such as tapeworms.b. engulf…

A: Natural Killer cells also called large granular lymphocytes are a type of white blood cell. It is a…

Q: What is the function of memory T-cells? Select one: a. Pump out chemical weapons and stimulate…

A: Memory T cells are produced by naive T cells that are activated, but never entered with…

Q: Which of these statements about T lymphocytes is false? a. Saome T cells promote the activity of B…

A: Lymphocytes are types of leukocytes. There are two types lymphocytes in immune system:…

Q: HIV causes immunodeficiency by attackinga. memory B cells. c. plasma cells.b. helper T cells. d.…

A: HIV or Human Immunodeficiency Viruses are types of Lentivirus that infect Humans. Here we will see…

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: The innate immune response is characterized by itsa. rapid response to invading pathogens.b. ability…

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

Q: Which statement best describes the difference between responses of effector B cells (plasma cells)…

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

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: What types of cells could be involved in specific immune reactionsagainst the rabies virus?a. T…

A: Viruses are microscopic parasites, typically much smaller than bacteria. They lack the ability to…

Q: The detrimental effects of Lupus erythematosis are initiated by A. activated T cells attacking…

A: Lupus erythematosus: It is an auto-immune disease, in which the human immune system kills its own…

Q: Which is not applicable to innate immunity? A) O It is faster than adaptive immunity in responding…

A: Immune system is system which helps our body to fight against the foreign substances which will…

Q: What are the roles of the innate immune system? Select all that apply.   A. identity self vs.…

A: Pathogens are disease-causing organisms that can cause humans to become ill or die depending on the…

Q: What is an allergy?

A: Allergy can be medical condition in which immune system reacts abnormally to a foreign substance…

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

A: T cells are most important cells in adaptive immunity.  T helper cells activated by interacting…

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: Suppose a person recovers normally from viral infections, but then gets the same viral infections…

A: The B-lymphocytes or the B-cell and the the T-lymphocytes are t-cells are very important for the the…

Q: Toll-like receptors (TLRS) act to A. cause phagocytic chemotaxis. B. induce phagocytosis. C. bind…

A: The immune system of any living being is important for its living or survival. When the immune…

Q: Which part of an antibody binds to the antigen? a. Heavy chain. b. Light chain. c. Variable region.…

A: Which part of the antibody binds to antigen ? Answer : c. Variable region The variable region is…

Q: The inflammatory process involves Select one: O A. Passive immunity, MHC proteins, and interferon.…

A: biological systems have different ways to respond to pathogens and other xenobiotics . inflammation…

Q: Which of the following are examples of innate immune responses? Select all that apply.   Fever   Gum…

A: Innate immune response is present since birth and consist of many factors that are relatively…

Q: Unlike cytotoxic T lymphocytes, NK cells do not _____. (Select all that apply.) a. secrete…

A: Natural killer (NK) cells are lymphocyte that descend from the very same progenitor as T and B…

Q: After his recovery from chickenpox, which lymphocytes will keep this patient from becoming infected…

A: Immune system is system which helps our body to fight against the foreign substances which will…

Q: Which part of the immune system does not target specific new variants of the COVID 19 invaders? A)…

A: It can be defined as a complex biological system endowed with the capacity to recognize and tolerate…

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: How do Eosinophils provide protective immunity against parasites ? A. By secreting antibodies B. By…

A: Eosinophils are multipurpose cells that have a role in innate and adaptive immunity, metabolism, and…

Q: Select best one. Which of these cell types aids the activation of T lymphocytes by antigens? a.…

A: We know that, Adaptive immunity is further classified as humoral and cell-mediated immunity. Humoral…

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…

Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.