The benefit of specific immunity is the production of ________ that provide long-lasting protection. A) antibodies B) plasma cells C) T helper cells D) memory cells

Q: A man gets bitten by a rattle snake. The man is rushed to the hospital and they administer to him…

A: The resistance that is induced in the recipient by the transfer of performed or readymade antibodies…

Q: A person who has been vaccinated against a disease should have primarily which of these types of…

A: Immunology deals with the study of the immune cells that fight against the invading pathogens in the…

Q: After your immune system subdues the virus, you wake up in sweaty clothes. i) Explain generally why…

A: When a virus infects a person (host), it invades their cells to survive and multiply. Once inside,…

Q: Select all of the following that are functions performed by different antibodies. ( select all the…

A: Antibodies are also known as immunoglobulin (Ig) which are heavy globular proteins. They are…

Q: All of the following approaches are used to treat autoimmune diseases excepta) immunosuppressant…

A: The term autoimmunity refers to protection against self. The immune system always destroys foreign…

Q: 1) Which line of defense are these immune response components part of? A) Complement: B)…

A: Immune system helps in protection of organism against disease.Immune system helps in detection and…

Q: Let’s say there are two closely related viruses, let’s call them Guernsey virus and Micro virus.…

A: Epitopes are the sites on antigens that are recognized by variable regions of antibodies (paratope).

Q: The first cell type active in the innate response is usually a(n)       A) phagocyte.…

A: The innate immune system is the first line of defence in the body.

Q: Which of the following is not true about the complementsystem?(a) It is a set of more than 20…

A: The complement system is otherwise known as complement cascade and is associated with the immune…

Q: Use the following choices for the next set of questions. A choice may be used zero or more times:…

A: In molecular biology, CD4 is a glycoprotein that acts as a co-receptor for the T-cell receptor.…

Q: čéllš attáčk virally infected cells, usually killing them using what method? O 1) Complement…

A: Adaptive immunity is an immunity that happens following disclosure to an antigen either from a…

Q: In a blood transfusion, if the donor and recipient blood types are not matched correctly, it may…

A: Introduction: Anyone may experience an ABO incompatibility reaction when you receive the incorrect…

Q: neither

A:

Q: Which of the following tems among A-I A) O fermentation B) O immunity C) O antigen

A: In biology, immunity refers to the capability of an organism to fight against harmful microbes. It…

Q: Which of the following component is the first involved in the classical complement activation…

A: A group of organs that utilize an immune response to defend the body against external substances or…

Q: One very effective treatment for SARS-Cov-2 is the injection of serum containing antibodies from…

A: Naturally acquired immunity is when the body encounters live pathogens which causes disease and the…

Q: Which of the following is NOT true of Innate Lymphoid Cells (ILCs)? A) Each ILC type responds to a…

A: Innate lymphoid cells are immune cells that mirror the phenotype and function of T cells. It…

Q: 41) For the successful development of a vaccine to be used against a pathogen, it is necessary that…

A: Immunity is an organism's ability to resist and protect itself from potential threats such as…

Q: Injections into the heel of a girl (whose blisters were licked by a rabies-infected kitten) to…

A: Our body has own system to fight against pathogen. There are different barriers such as physical…

Q: Which is not a direct consequence of an antibody:antigen interaction? A) O clump or agglutinate…

A: Option E is the answer.  All the above are consequences of an antibody: antigen interaction.

Q: Which of the following is a characteristic of humoral immunity?

A: The immune system works by the synthesis of some immune elements that perform necessary reactions to…

Q: SELECT ALL THAT APPLY Select the correct statement regarding the role of activated complement…

A: It is considered a system of plasma proteins that gets activated directly by pathogens and exerts a…

Q: An allergic reaction is an example of:

A: An allergic reaction is an example of:

Q: Select the TRUE statement: Convalescent plasma therapy is O A) an active artificially acquired…

A: Immunity is the measure of the body's defenses against disease. It is the ability of the body to…

Q: Both antibodies and particular complement proteins, such as c3b, are capable of aiding phagocytes in…

A: Bacteria are a kind of organic cell. They comprise a huge space of prokaryotic microorganisms.…

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: 20) Which of the following is associated with passive immunity? A) exposure to an antigen B) passage…

A: Immune system is the body's defense mechanism against infection causing foreign organisms or germs…

Q: Which of the following is not a characteristic of memory B cells a.) Secretion of a large amount of…

A: Memory B cells are a type of long-lived immune cell that develop after an initial exposure to an…

Q: B-cell activation requires ____ b) antigens binding only c) antigen binding, antibody production,…

A: The immune system of the body play a major role in defending against the pathogenic invaders such as…

Q: A 40-year-old man with a complement deficiency agrees to participate in a clinical study of immune…

A: Introduction: The complement refers to a system of non-specific proteins found in normal human and…

Q: Delayed-type hypersensitivity reactions in the skina) are characterized by a wheal and flare…

A: An individual exhibits the potential to withstand a particular toxin or infection called immunity.…

Q: You have a patient who has been injured by a rusty nail. As a precaution, you vaccinate her against…

A: Answer- Tetnus is a disease caused by C. tetani bacteria. It is found in the soil and if it reaches…

Q: Natural killer cells target: A) O cells that possess abundant MHC I self antigens on their surface

A: The natural killer cell is an important cell of an innate immune system. They are larger granular…

Q: Which of the following is not characteristic of the adaptive immune system? A) It forms memory in…

A: activated T cells become plasma cells

Q: Superantigensa) are exceptionally large antigen molecules.b) cause a very large antibody response.c)…

A: Super antigens can activate up to 20% of the body's total T-cells concentration.

Q: What statements are correct about the innate immune system?

A: Immunity is the ability of organisms to cease a certain type of infection or toxin with the help of…

Q: Granzyme and perforin are used by what cell type in the immune system to carry out its function? O…

A: Immune system of the body contains several types of cells that are involved in cellular function…

Q: 1.The passing of antibodies into newborn babies by their mothers is known as: A) active immunity B)…

A: Innate immunity: Everyone is born with innate (or natural) immunity, a type of general protection.…

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 is the one cell type that does the most to coordinate and control the adaptive immune response?

A: The immune system's adaptive immune system, sometimes referred to as the acquired immune system, is…

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: 3)  Name each of these cells.

A: B lymphocytes - They provide antibody-mediated immunity. Antibodies kill pathogen through…

Q: What are the monoclonal antibodies: a) antibodies produced in one animal; b) antibodies delivered in…

A: Antibodies are specialised Y shape proteins that binds  to the foreign invaders -whether they are…

Q: Herd immunity refers to everyone in a community becoming vaccinated to protect everyone against a…

A: When there occur a disease in population , there is a which transmission of a particular disease .…

Q: Autoimmunity produces reactions that resemble which of the following hypersensitivity reactions?…

A: Immunity is the ability of multicellular living beings to oppose destructive microorganisms.…

Q: Although the immune system has two arms, it has been said, “No T cells, no immunity.” How is this…

A: Immunity is a capability of body to make  defence system and immune cells so that body is ready to…

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.