Which of the following cells would be safe from a natural killer (NK) cell's cytotoxicity? O a cancer cell a self-cell presenting with MHC I molecules a self-cell with a viral infection a self-cell without MHCI molecules

Q: Which cells of the body would produce the antibodies that would attack SLE antigens? Macrophages O…

A: Answer:- Option B seems to be the correct choice. SLE is an abbreviated form for Systemic lupus…

Q: What must happen in order for a donor organ to not be rejected by the recipient? The MHC complexes…

A: Transplantation is done with the heart, spleen, liver, blood vessels, eyes, and tissues from one…

Q: Which of the following is NOT a "professional" antigen-presenting cell? Macrophage Natural Killer…

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

Q: *Perforins and granzymes secreted by the CD8 T lymphocytes are used for _____. Group of answer…

A: Since you have posted multiple questions we will solve the first question for you. To get the…

Q: Cell-mediated immunity is carried out by………….. while humoral immunity is mainly carried out…

A: Immunity protects our bodies from various diseases and pathogens.  Immunity can be categorized into…

Q: Which of the following is part of the second line of defense against pathogens? a. skin b. mucus…

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

Q: If a human cell contains MHC molecules that are binding pathogen antigens,   the cell will be…

A: Major histocompatibility complex (MHC) or human leukocyte antigen (HLA) systems are a portion of…

Q: Which of the following cells plays a direct role in the activation of B cells? cytotoxic T cells…

A: The correct answer is helper T cells

Q: An exaggerated, misdirected expression of immune responses to an allergen (antigen) would be…

A: Introduction: Immune responses defend the body from harm by warding off diseases and foreign…

Q: The T-cell co-receptor CD4 interacts with _______ bound to the surface of _______: a. MHC class I;…

A: T cells or T lymphocytes play an important role in adaptive immunity but they are unable to bind…

Q: The following are steps in the cell-mediated inflammatory response. Put them in the correct order.…

A: Cell-mediated immunity is an immune response resulting from the activation of cells of immune-system…

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 of the following statements correctly describes the function of a CD4 T-cell? (Level of…

A: CD4 cells are a major part of the white blood cells (WBCs). They play a major role in the immune…

Q: Which of the following cells is phagocytic?a. plasma cellb. macrophagec. B celld. NK cell

A: Antigen-presenting cells, also called the accessory cells are the cells that display the antigen…

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 innate immune system component uses MHC class I molecules directly in its defense strategy? a.…

A: Innate immune system:                 The first line of defense that castles border for pathogen…

Q: Which of the following specifically refers to an effector lymphocyte?a) B cellb) CD8 T cellc) CD4 T…

A: In the immune cells, lymphocytes are of two types that are B and T cells, they perform several…

Q: Which of the following is NOT true of B ceIls? a. Has membrane-bound antibodies. b. Produces…

A: Answer : d . Kills infected body cells B cells are responsible for secreting Antibodies. T cells are…

Q: Which of the following statements regarding CD4 is incorrect? a. MHC class II molecules present…

A: CD4 could be a monomeric kind I transmembrane compound protein consisting of 4 Ig-like extracellular…

Q: // Which of the following is NOT true of Helper T cells. It recognizes virus peptides on an…

A: The immune system of the body is the system which protects the body against attack by foreign…

Q: All of the following cells directly incorporate antigens into their structures, EXCEPT: A). Antigen…

A: The immune system is a defensive system in a host consisting of widely distributed cells, tissues,…

Q: Which innate immune system component uses MHC I molecules directly in its defense strategy? a.…

A: The immune system consists of the adaptive and innate immune responses. Innate immunity is present…

Q: 2) IL-12 3) Type I Interferon

A: Infection is a state in which the microorganisms like bacteria, viruses, and others, that enter the…

Q: The presentation of an endogenous antigen by a B cell mainly occurs through which pathway? Anergy…

A: Endogenous antigens are those produced by normal cell metabolism or viral or intracellular bacterial…

Q: What will be the direct result of the interaction shown in this figure? CD4 TCR CD28 Epitope CD80…

A: The adaptive immune system is a specific defense mechanism that recognizes a foreign antigen or…

Q: MHC class II is a cell surface molecule present on Options B cells O All nucleated cells APCS O T…

A: Healthy cells have major histocompatibility complex (MHC) molecules on their surfaces, which…

Q: Which of the following cytokines is the primary growth factor from T cells? Multiple Choice…

A: Cytokines are a general group of flagging proteins that are delivered fleetingly, after cell…

Q: Which of the following statements pertain to this cell.  This cell is a precursor to a cell which:…

A: Introduction :-  Monocytes are the cells which acts as a bridge between the innate and adaptive…

Q: ic T cells can kill virus-infected cells. ic T cells respond to antigen bound to MHC class I…

A: T lymphocytes are a type of lymphocyte. T cells are one of the immune system's most important white…

Q: Which of the following statements are accurate? T cells, B cells, and Natural killer cells are…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: Which of the following explains why dendritic cells, but not macrophages or B cells, contribute to…

A: The immune system provides the body with the ability to prevent diseases or infections in the body.…

Q: If a human cell contains MHC molecules that are binding pathogen antigens, Group of answer choices…

A: Major histocompatibility complex (MHC) or human leukocyte antigen (HLA) system are part of adaptive…

Q: statements about neutrophils is correct? They kill pathogens by producing reactive oxygen species.…

A: Which of the following statements about neutrophils is correct.? Answers 1) They kill pathogens by…

Q: natural killer cells are one of .21 * .adaptive immunity

A: The ability by which we can recognize and tolerate whatever belongs to us and also by this we can…

Q: Which of the following are similarities between B cells and T cells? S1 = They both recognize…

A: Following are some of the statements regarding B and T cells following of them are correct:-

Q: About Antigen presenting cells, it is CORRECT to affirm that: a). Macrophages, B lymphocytes and…

A: The immune system protects the body against infection. Cells involved in immune functions are known…

Q: What types of cells produce antibodies? B cells memory T cells O macrophages

A: The term ‘Immunity’ defines the capability of multicellular animals to fight harmful microbes. This…

Q: What are the roles of the following cytokines in defense against infections: 1) TNF 2) IL-12 3)…

A: Infection is a state in which the microorganisms like bacteria, viruses, and others, that enter the…

Q: The largest and most effective of the phagocytes are:  a. red blood cells b. lymph nodes c.…

A: Question- The largest and most effective of the phagocytes are:  a. red blood cells b. lymph nodes…

Q: Which co-receptor molecules are common to both TC and TH cells and their respective antigen…

A: The CD2-LFA-3 and LFA-1-ICAM pathways relevance to T-cell recognition

Q: Which of the following is a type of cytokine? a. mast cell b. lysozyme C c. chemokine O d.…

A: Cytokines are the chemicals produced by the immune cells to protect the non- infected cells.

Q: The complement system of defense is composed of proteins that are always present in the blood. Which…

A: The complement system is the part of the immune system that enhances the ability of antibodies and…

Q: IgE binds to which of these cell types to trigger allergic responses? O 1) B cell O 2) neutrophil 3)…

A: Humoral immunity gets activated in response to the antigens that cause allergy. Humoral immunity is…

Q: Which of the following is a component of humoral immunity? O Na Natural Killer cells B lymphocytes…

A: Immunity is the body's ability to protect itself from foreign cells that enter the body and can be…

Q: In response to alerting cell activation, the B cell covers pathogens with ______________ to make…

A: In this question asked about immunity.  Detailed solution in step 2.

Q: The killer T-cell receptor recognizes while the CD8 co-receptor recognizes. O MHC-I; Intracellular…

A: Killer T cells, rightly named as Killer cells are known as the cells which kill infected cells.…