Which is not a direct consequence of an antibody:antigen interaction? A) O clump or agglutinate antigens B) O neutralization of toxin C) O prevent adherence of pathogens D) O stimulation of B cells E) O all the above are consequences of an antibody antigen interaction

Q: For the following questions, specify which immunoglobulin is being described, according to the…

A: 33. IgM is produced early in infection with high avidity. So option d) IgM is the correct answer.

Q: Which of the following statements about endotoxin is true? Ita) is an example of an A-B toxin.b) is…

A: Exotoxins are released by the live bacteria. The exotoxins are classified into three types. They…

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: Attraction of leukocytes to an inflammatory site is called b) chemotaxis X) margination e)…

A: The immune system of the body is responsible for fighting the infections in the body and providing…

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: The first exposure of a person to an allergen results in the production of the IgE class of immut…

A: In the immune response, mast cells are essential, especially during allergic responses. During a…

Q: When T-cells and macrophages attack the myelin sheet covering nerves the disease that results is…

A: T-cell is a white blood cell that lives in our body, it fights viruses and helps us to get sick. The…

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: A 28-year-old is in the urgent care center after stepping on a rusty tent nail. The nurse evaluates…

A: The process which provides a person with immiunity or resistance to an infectious disease is known…

Q: Which of the following is NOT an autoimmune disorder? a) Lupus Ob) Rheumatoid Arthritis c) HIV/AIDS

A: Introduction - A disease in which the body's immune system attacks healthy cells is called…

Q: Differentiation of B cells into Ab-producing plasma cells occurs in the: a) Lymph nodes b) Spleen c)…

A: B cells or B lymphocytes, which are produced from bursae, are important components of the adaptive…

Q: 1. Which of the following is NOT part of the complement system? a) Antigen presenting cells b)…

A: Immunity refers to the ability of an organism to resist or defend against a specific pathogen or…

Q: 7. Which cell type is primarily responsible for HIV's transport to the brain? A) T cells B)…

A: HIV, or the human immunodeficiency virus, is a virus that targets CD4 cells, a subset of T cells,…

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: Which of the following statements are correct regarding NK cells? a)they are present in the blood…

A: Natural Killer (NK) cells are considered the cells of the innate immune system. It is a type of…

Q: Which of these statements about cat scratch disease is false?a) It is a common cause of chronic…

A: Which of these statements about cat scratch disease is false?

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: 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: What type of cells secrete antibodies? A) Cytotoxic T cells B) Helper T cells C) B cells…

A: Antibodies are  glycosylated protein molecules, also known as immunoglobulin. Antibodies are antigen…

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: Sutures()

A: Sutures are the threads used to repair the wounds, and there are three types of sutures: continuous…

Q: Which of the following lists contains cells that are typically considered to be associated with the…

A: Immunity can be defined as the capacity of the body to fight against the pathogens attacking 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: What does the highlighted structure do? A) develop T cells B) develop eosinophils C) develop B cells…

A: Leukocytes and erythrocytes originate from hematopoietic stem cells. B cells, T cells, eosinophils…

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: How could a potential alloimmunizaton due to Anti-K be prevented?   Question 45 options:…

A: Alloimmunization is a condition where the immune system produces antibodies in response to antigens…

Q: Which statement is incorrect regarding Type IV Hypersensitivity? O A) T-helper cells are activated…

A: Contact dermatitis takes place when the skin comes in contact with an allergen directly. It results…

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: What factors lead to a comprised immune system with HIV? Group of answer choices A)High viral load…

A: HIV (Human Immunodeficiency Virus) is a virus that attacks the immune system. (The immune system…

Q: An allergic reaction is an example of:

A: An allergic reaction is an example of:

Q: Which one is not non-specific immune response?  a) antibady, b) phagocytosis, c) interferons, d)…

A: Pathogen or foreign particles are disease causing agents which when enter inside the body and cause…

Q: Vaccines are substances that confer immunity against________.a) All kind of diseases b) Communicable…

A: Each vaccine contains a small amount of the  germ (virus or bacteria) ,inactivated  or dead or parts…

Q: Differentiate the following secondary antibodies: (a) Mice anti-human, (b) Donkey anti-human, (c)…

A: Introduction Antibodies are the proteins or immunoglobulins produced by B cell agianst a particular…

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: 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: 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: What do neutrophils do that macrophages dont do? A) antigen presentation B) Degranulate C)…

A: Neutrophils and macrophages are type of white blood cells that helps to impart immunity.  Both…

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: 30. What is the correct unit for WBC count? CAREER. YOUR FUTURE. a) 103 /L b) 105/L c) 10/L d 10/L…

A: The above-mentioned questions are related to immunology and diseases. Immunology is the study and…

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: 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: ____________ are suspensions of killed or live germs which is employed to induce the production of…

A: Among the given options, option (a) is the most appropriate.It explains that the vaccines are…

Q: An immunizatin reduces the chance that you will catch a severecase of disease because the…

A: Immunization is the process of developing immunity against the particular pathogen by the…

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…

Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.