The binding groove of endothelial protein C receptor (EPCR) binds to _____ and presents them to _____. a. phosphoantigens; Vγ9:Vδ2 T cells b. MIC-A or MIC-B proteins; NK cells c. sulfatides; Vγ:Vδ1 T cells d. phospholipids; Vγ4:Vδ5 T cells e. lipid antigens; Vα24–Jα18:Vβ11 NKT cells.

Q: Name two possible functions of CD8a+ dendritic cells that could account for the results seen in the…

A: Dendritic cells  Dendritic cells are a sort of antigen-presenting cell (APC) that structure a…

Q: Which of the following doesn't occur in the inflammatory response? O A. Decreased vascular…

A: When healthy tissues are wounded by physical/chemical stimuli or are invaded by bacteria, viruses,…

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: Cell-mediated immune response includes the following except to ______. A. activate B lymphocyte B.…

A: Cell mediated immune response is carried out by T lymohocytes of our immune system. It is an immune…

Q: A. Kills diseased human cells B. Targets primarily eukaryotic pathogens and viruses C. Stimulates…

A: 1. Neutrophils- They constitute the majority of the white blood cells( 50℅- 70%). In response to…

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: 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: Phagocytes move through capillary walls by squeezing between adjacent endothelial cells, a process…

A: Answer is a.)  diapedesis.

Q: The early events of inflammation are characterized by all of the following except _____. a.…

A: The early events of inflammation are characterized by all of the following i.e. vasodilation,…

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: 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: .

A: There are two types of the T cells based on the glycoprotein attached , these are CD4 cells and the…

Q: Figure shows a series of events for the response in innate immune defense. a)State ONE main event…

A: Innate immunity is an immunity that is present during the birth of an individual. It is also known…

Q: match the cytokine with its description. 1.Interleukin-1 2.Interleukin-2 3.Interleukin-12   a.…

A: Interleukins (IL) are chemical substances that play a vital role in varied rules of the immune…

Q: Neutrophils are best described as: (a) Phagocytic, have bilobed nucleus and are small (2-5 microns)…

A: Introduction: Phagocytes are white blood cells that assist begin an immune response and safeguard…

Q: The process of generating the diversity of T cell receptors as t cells mature is done how? a.…

A: Immunity is the ability of the body to fight against foreign antigen in order to prevent any…

Q: Antibodiesa. prevent antigens from binding together.b. promote phagocytosis.c. inhibit…

A: Answer: Introduction: Antibody is also known as immunoglobulin, a protein formed by the immune…

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 the following statements regarding intraepithelial lymphocytes is false? (Select all that…

A: BASIC INFORMATION IMMUNE SYSTEM  It defends our body from the foreign particles which can cause…

Q: The vascular changes of inflammationa. lead to an increase in bacterial cells at the injury site.b.…

A: Answer is option c.)allow plasma proteins to move easily from the bloodstream to theinjury site.

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: To become a fully activated, antibody-secreting cell, B cells usually need: a. to encounter an…

A:

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: All but one of the following occurs during the inflammatory response.  Select the example below that…

A: c. Vasoconstriction prevents excessive blood loss due to injury. It is the correct option.…

Q: A good example of molecular mimicry is a. Decreased number of regulatory T cells in aging. b. The…

A: Molecular mimicry, also known as "molecular similarity," is a key principle in immunology and…

Q: in antibody-mediated immunity, what happens immediately after B cells are activated? a. the foreign…

A: The immune system of the body fights against foreign invaders and protect the body from infections.…

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

A: The multicellular organisms like mammals and insects are exposed to pathogens present in the…

Q: Which of the following happens during inflammation? A) O The capillaries supplying blood to the area…

A: Immunity is the body's defense system that protects the body from the invasion of harmful particles…

Q: Which of the following best describes the movement of a T cell through a lymph node? a. It enters…

A: T-cells are part of the cell-mediated immune system in humans. Lymph nodes are small bean-shaped…

Q: When a helper T cell releases interleukin-1 to stimulate surrounding leukocytes, interleukin-1 is…

A: Several organs and processes of the body, which provide defiances from infection and toxins. The…

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: Which cells produce antibodies? a. Neutrophils. b. Dendritic cells. c. Cytotoxic T cells. d.…

A: In immunology, white blood cells or leukocytes can be further categorized into lymphocytes,…

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: 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: Which of the following leads to swelling seen in an inflammation? a. Vasodilation  b. Complement…

A: Swelling is the result of the increased movement of fluid and white blood cells into the injured…

Q: Select the correct one. In antibody-mediated immunity, what happens immediately after B cells are…

A: The antibody-mediated immunity involves the activation of T-helper cells that interacts with B cell…

Q: Which cell recognizes stressed cells in the absence of expressed MHC or antibodies? A. B lymphocyte…

A: The cell that recognizes stressed cells in the absence of expressed MHC or antibodies are known as…

Q: Which of the choices is required to activate a helper T cell, which in turn can stimulate antibody…

A: Major histocompatibility complex contains a set of polymorphic genes which codes for cell surface…

Q: In a normal individual, a T cell that interacts with a self-antigen in the thymus will more than…

A: Introduction  Immunity is the property or ability of the body to defend against the pathogens.…

Q: Which statement describes a limitation of T-cell receptors (TCRs) compared to B-cell receptors…

A: Membrane-bound immunoglobulin on the B-cell surface serves as the cell's receptor for antigen and is…

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: B lymphocytes, the precursors of plasma cells, are triggered to proliferate by the binding of…

A: Lymphocytes are white blood cells . They are immune cells made in bone marrow and found in blood and…

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

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

Q: T cells that react with self antigens are destroyed through: A. cytokinesis b. macrophages c.…

A: The T cells are one of two lymphocytes and play an important role in the immune system. B-cells are…

Q: The processes of clonal selection and clonal expansion occur during _____. a. adaptive immune…

A: The immune system functions as a defense mechanism for humans and protects them from foreign…

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: Which of the following is not a characteristic of inflammation? a. inactivation of macrophages…

A: Inflammation is a type of immune response against infection, injury, and toxins. During inflammation…