What kind of cell carries an IgM antibody? a)Mast cell b) B cells c)Helper T cell d) Killer T cell

Q: A foreign particle that becomes lodged in a blood vessel is called a(n)   A)  embolus    B)…

A: Blood is a chief body fluid in the circulatory system that is involved in elimination of waste…

Q: Which of the following describes a cytokine that typically cause a leukocyte to undergo…

A: Leukocyte extravasation (additionally ordinarily known as leukocyte grip course or diapedesis – the…

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: The development of which of the following cells is closely related to reticulocytes? A) monocyte B)…

A: Erythropoiesis is a complex and heavily monitored process that begins with an erythroblast in the…

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: 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: Several different subsets of innate lymphoid cells exist, and each is specialized to respond to a…

A: Lymphoid Cells  Lymphatic tissue is a connective tissue consisting of different types of lymphoid…

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: Foreign materials are filtered out of the lymphatic fluid by what type of cell located within the…

A: A lymph node is a kidney shaped organ of lymphatic system and the adaptive immune system. A large…

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 is part of the T-cell clonal deletion process? a) T-cells are eliminated if…

A: T cell clonal deletion means deletion of B & T cells through the process of Apoptosis ( program…

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: Match each of the listed characters below to the innate or adaptive immune system. 1) Fully formed…

A: The body's natural ability to defend against pathogens and antigens is called as immunity. Immunity…

Q: Which of the following is not considered a "first line of defense" against pathogens? a) lysozyme b)…

A: All the options are considered as the first line of defense against pathogens .…

Q: The laboratory scientist who reviews the marrow reports that the bone marrow is overridden with…

A: Immunoglobulin play a critical role in the immune system by recognizing and binding to specific…

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: 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: Which of the following are important for viral protection

A: Which of the following are important for viral protection? Answer. (b)Interferons

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 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: 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: Which of the following is not a function of interleukin 1?  a.) triggering the production and…

A: Interleukins are a type of cytokine that were originally thought to be produced only by white blood…

Q: Human immune system     a) Pathogen-associated molecular patterns are conserved…

A: The objective of the question is to determine which of the given statements about the human immune…

Q: What is the appropriate response when antigen is presented on MHC class II molecules?a) An effector…

A: APCs stands for antigen-presenting cells. They are a large group of a variety of cells that trigger…

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: 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: What type of molecules are antigens? A.) proteins B.) carbohydrates C.) lipids D.) RNA E.) all of…

A: Antigen is a foreign substance which on entering the host body stimulates the immune response. This…

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: Which stage of HIV infection does the immune system function most closely to normal?   A) Attachment…

A: The human immunodeficiency virus (HIV) is a virus that targets the immune system of the body. AIDS…

Q: 3)  Name each of these cells.

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

Q: Which of the following are important for viral protection? ( select all the correct answers)    a)…

A: The immune system checks the body for infections or problem-causing chemicals and fights any harmful…

Q: Select all of the following that are functions performed by different antibodies. a) Group of…

A: Functions performed by different antibodies:- c) Blocking the ability of a pathogen to bind to a…

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

A: Immunity refers to the body's ability to protect itself against disease-causing germs. Nearly every…

Q: Activated helper T Cells participate in which of the following processes? a.) Differentiation of…

A: Helper T cells or CD4+ T-cells are a type of T-cell that play an important role in the adaptive…

Q: Surface markers on pathogens are sometimes referred to as:       A)  PRRs…

A: Pathogen or infectious agent can be defined as the  biological agent that causes disease or illness…

Q: The correct order of words to describe how innate immune response responds to a pathogen that has…

A: Immune system is categorized into two types. They are innate and adaptive immunity. Innate  immunity…

Q: Which of the following is the best definition of antigen?   Question 8 options:   A)  something…

A: To find: The best definition of antigen

Q: A person wWith type A+ blood gets a transfusion with type O- blood. What is most likely to happen to…

A: (B) Nothing because the donor's blood is compatible with recipient's blood.

Q: When an antigen complex is bound to a Class I MHC molecule, it can stimulate a A) B cell. B) plasma…

A: MHC or major histocompatibility complex molecules are glycoproteins which are encoded in a large…

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 is true of the innate immune response?   a)  Mucus can contain lysozyme and ampicillin   b)…

A: The innate immune system is the body's first line of defense against infection. It is made up of…

Q: Select the type of T cell that plays a role in diminshing an immune response:

A: T cell or T lymphocyte, is a vital component of the immune system. When it comes to protecting the…

Q: Which of the following is NOT a professional antigen presenting cell (i.e. doesn’t express MHCII)?…

A: Antigen-presenting cells (APCs) are crucial for viable immune response, as the working of both…