Which cell recognizes stressed cells in the absence of expressed MHC or antibodies? A. B lymphocyte B. dendritic cell C. natural killer (NK) cell D. macrophage

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: Fusion between a plasma cell and a tumor cell creates a:(a) Myeloma (d) Natural killer cell(b)…

A: Plasma cell is also called as plasma B cell. Plasma cells are leucocytes which produce tremendous…

Q: How does HIV (human immunodeficiency virus) lead to AIDS (acquired immune deficiency syndrome)/lead…

A: Human immunodeficiency viruses causes AIDS.This is the condition where gradual failure of immune…

Q: b Production of complement c. Production of IL-6 d. Production of CRP e. All of the above 41. NK…

A: Hey, since there are multiple questions posted, we will answer first two questions (41 and 42). If…

Q: A person shows unwelcome immunogenic reactions while exposed to certain substances.(a) Name this…

A: An immune response is a reaction that occurs within the body for the purpose of defending against…

Q: What is the first step in the antigen-antibody interaction? A.) opsonization B.) epitope production…

A: Interaction of the body with any foreign substance causing deleterious health effects is called…

Q: Which is/are function(s) of the lymphatic system?   a. Hemopoiesis   b. Inspect lymph for…

A: The lymphatic system is considered as a part of the immune system that includes a network of lymph…

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: Which is an autoimmune disease? A. Graves disease B. HIV disease C. HIV disease, type-1 diabetes,…

A: Autoimmune disease is a condition where immune system attacks our own body by mistake.In normal…

Q: Begins with : Question 32 What is the cause of host rejection of graft in an allograft transplant? O…

A: As per our policy we are answering the only one question. For the rest of the question kindly repost…

Q: A person who has received a vaccine for human papillomavirus (HPV), which causes genital warts and…

A: Answer: Option: a] Is able to produce antibodies against HPV.       Only a subset of individuals…

Q: When we get sick we trust our immune system to protect us, but what happens when that system goes…

A: The fundamental elements of the immune system are white blood cells, antibodies, the complement…

Q: Which of the following is a characteristic of a cytotoxic T cell?   Question 7 options:   A)  They…

A: To find: The characteristic of a cytotoxic T cell

Q: DiGeorge syndrome is a congenital disease that results in a poorly developed, nonfunctioning thymus…

A: Primary immunodeficiency are the immunodeficiency diseases which arises from the birth where as…

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: Which is an example of passive immunity? A) only a fetus acquiring antibodies through the placenta…

A: Passive immunity can be defined as the transfer of active humoral immunity of antibodies. It can…

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: Why do males only need one (h) to express hemophilia?  A. males are more fragile than women B.…

A: Introduction Hemophilia A, also known as factor VIII (8) deficiency or typical haemophilia, is a…

Q: Which form of acquired immunity is the patient developing by having this infection?   A) Active…

A: Immunity is the ability of the body to fight against the  various microbes & defend the body.…

Q: What type of immunity results from recovery from mumps?   Question 10 options:   A)  innate…

A: Mumps results from the infection of the mumps virus. The presence of the virus/pathogen in the body…

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

A: The immune system provides protection against invading pathogens in the human body. There are two…

Q: a. Explain why most immune reactions result in a polyclonalcollection of antibodies.b. How do…

A: A tool that recognizing, locating, or identifying antigens to destroy is called as antibodies. The…

Q: Part 2. Identify each immune response as either humoral (H) or cellular (C). А. release of histamine…

A: The immune response is the body's way of recognising and defending itself against bacteria, viruses,…

Q: Choose the correct one. Which cells produce antibodies? a. Neutrophils. b. Dendritic cells. c.…

A: We know that neutrophils are responsible for secreting cytokines during tissue injury. Hence, Option…

Q: Microb Explain how CB8 T cells, CD4 T cells and B cells work together in the lymphoid tissues.

A: The type of cytotoxic T-cell expresses the CD8 co-receptor and is generated into thymus. These plays…

Q: B cells are responsible for which conditions?a. asthma b. anaphylaxis c. tuberculin reactions d.…

A: BASIC INFORMATION B- cells They are basically the B lymphocytes. They release Immunoglobulin which…

Q: Determined the fate of cell injury ? Select one: a. reversible b. cell death  c. All  d. necrosis

A: The cell is the structural and functional unit of life. All living organisms are composed of…

Q: How do corticosteroids act to block inflammation? a. Blocking neutrophil migration b. Blocking…

A: Inflammation is caused due to the influx of granulocytes such as Eosinophils, basophils, and…

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: What is the single best defining feature of a lymphocyte? A A type of leukocyte B A cell that is…

A: There are two types of lymphocytes-  T Lymphocytes and B Lymphocytes. B Lymphocytes are produced in…

Q: Which of the following destroys virus-infected cells?   Question 6 options:   A)  cytotoxic T…

A: The immunity is both cell-mediated as well as humoral or antibody-mediated. There are lymphocytes…

Q: which product of inflammation is responsible for causing a fever? A- Platelet Activating factor B-…

A: Inflammation is presented with rubor, dolor, calor,tumor and functio lessa. Rubor= redness.…

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: 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 statements is true about the IL-1 family of cytokines? A. They are powerful…

A: IL-1(Interleukin-1) family of cytokines are a group of 11 cytokines that are associated with innate…

Q: Fusion between a plasma cell and a tumor cell creates a: a. Lymphoma b. Myeloma c. Lymphoblast…

A: Plasma cells are also called as Plasma B cells which are white blood cells that originates from bone…

Q: Which cell type, molecule, or process listed below does not has a function or role in both the…

A: Answer Macrophages are phagocytes derived from blood monocytes. The monocyte is a small spherical…

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: Adaptive immunity includes which of the following processes?   Question 2 options:   A)…

A: A defense system in the body of an individual which constitutes a complex network of cells and…

Q: Type of specific resistance that has been introduced to the body is already antibodies that provide…

A: A. Natural immunity:- It is a kind of immune response/immunity that the body develops on its own…

Q: The first line of defense against pathogens includes a. NK cells. b. stomach PH. c. phagocytes. d.…

A: The first line of defense against pathogens Answer : b Stomach pH The first line of defense…

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: How are innate lymphoid cells, including natural killer cells, distinguished from lymphocytes?

A: The immune system of the body is responsible for providing protection to the body when toxic…

Q: Why are most unimmunized children protected against diseases such as measles?Choose one: A.  They…

A: Immunization is the process whereby a person is made immune or resistant to an infectious disease,…

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.