An allergic reaction is an example of:

Q: Under what circumstances is having a fever beneficial? Under what circumstances is having a fever…

A: FEVER It is the condition of an increased body temperature which is not a disease but a symptom.  B…

Q: Which of these statements about complement proteins C3a and C5a is false?a. They are released during…

A: Complement is a group of plasma proteins that can get activated directly by pathogens or indirectly…

Q: How can an extracellular bacterium be targeted by a particular T cell response? Describe the…

A: T cells (also called T lymphocytes) are one of the major components of the adaptive immune system.…

Q: What body structure is the site of T cell maturation?

A: T cells are also known as T lymphocytes are a type of white blood cells which are essential for…

Q: Why does the immensely powerful immune system of the body, an organ system that has evolved over…

A: Human immune virus (HIV) is a retrovirus which attacks the immune cells of the body. It affects the…

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: contrast cytotoxic T cells and NK cells

A: Natural killer cells (NKC) and cytotoxic T cells are two different lineages of immune cells that…

Q: In addition to cells infected by microbes, what other types of target cells are attacked by…

A: Lymphocytes are the types of WBC (white blood cells) that are located in the immune system of the…

Q: Which subtype of T cells is destroyed by the HIV virus?

A: HIV or the human immunodeficiency viruses is a type of Lentivirus (a subgroup of the retrovirus,…

Q: Which type of T-cell activates a macrophage to greater killing power in the presence of an…

A: A T cell is a type of lymphocyte, which develops in the thymus gland (hence the name) and plays a…

Q: An important aspect of the immune system is the physical separation of the blood lymphatics,…

A: Blood:-  It is a transport medium that transports oxygen and nutrients to each and every tissue of…

Q: Using the letters from column B, match the cell description in column A. (Note that all require more…

A: Different immune cells are involved in mediating protection to the host against the pathogen. There…

Q: What are the functions of CD4 and CD8 proteins on the surface of T cells?

A: T cells are the lymphocytes mainly responsible for the cell-mediated immune response of adaptive…

Q: Some materials, such as metal bone pins and plastic heart valves, can be implanted into the body…

A: Introduction Immune system:- It is a complex network of cells, tissues, organs, and the substances…

Q: Compare and  contrast  the production, maturation, activation  and mode of action  of both T  Cells…

A: B-cells and T-cells are additionally called lymphocytes. There are essential and auxiliary lymphoid…

Q: The skin and bodily secretions provide the first line of defense against infection. One response in…

A: Skin is the largest organ of the integumentary system that covers the body and provides three main…

Q: Which of the following statements best characterizes interferons?

A: Answer ; Option (A) is right. - Interferons are a nonspecific defense used to respond to viruses. -…

Q: What is the difference between a T-cell-dependent and T-cell- independent response?

A: Immunity is the capability of the body to fight against foreign attack and maintain the persistence…

Q: The type of cell which attacks its own body cells which are virally infected or cancerous is ___.…

A: Killer T cells.

Q: In general, what sorts of pathogens might be able to more successfully attack a patient with an…

A: B lymphocytes are mediators of the humoral (antibody-producing) immunity  Without B-cells, our body…

Q: All of the following are true of some or all complement proteins except _____. a. they are soluble…

A: The complement system is part of the immune system which involves specialized proteins that aid the…

Q: Reed Sternberg cells are derived from which type of normal cell?   T-cells   B-lymphocytes…

A: Immune system is system which helps our body to fight against the foreign substances which will…

Q: Why are the immunities involving T cells called cell-mediated?

A: There are two types of acquired immune response namely,(a) Antibody mediated response(b) Cell…

Q: Why is the evasion of phagocytosis a type of virulence factor?

A: The chemicals that help the bacteria invade the host at the cellular level are known as virulence…

Q: Name the two primary tissues of the immune system.  Why are they considered the primary tissues?

A: Immune system is system which helps our body to fight against the foreign substances which will…

Q: Acquired or adaptive immunity can be divided in to Natural Active, Natural Passive, Artificial…

A: Introduction: Adaptive immunity, also known as protective immunity, is the third line of defense…

Q: Immature B cells can drive strong adaptive immune responses by maturing into _______. Group of…

A: There is some information about B cells ; B cells are at the centre of the adaptive humoral immune…

Q: The body’s immune response comprises innate immunity and adaptive immunity. Virulence is the…

A: The ability of a pathogen or microbe to harm a host is referred to as virulence. In most cases,…

Q: Describe neutrophils and NK cells, giving one example of how each cell type destroys pathogens that…

A: Innate immunity is the type of immunity that activates immediately when antigens enter the body.…

Q: Which compound is most likely responsible for initiating the inflammation response that results from…

A: An autoimmune disease's symptoms vary depending on whatever region of your body is afflicted. The…

Q: What are the types of hypersensitivity? Explain with an example.

A: Hypersensitivity is caused due to an exaggerated action of the immune system against a foreign agent…

Q: All of the following are true in reference to T-cell priming except _____. a. it occurs in primary…

A: The immune system of the human body consists of white blood cells, antibodies, spleen, thymus, and…

Q: Which type of T cell is most important in both cellular and humoral immunity? Why?

A: T cells or T lymphocytes are a sub population of lymphocytes that are produced in the bone marrow…

Q: What is a real life scenario or situation that shows the interaction of humoral and cell mediated…

A: Winter, holiday season, brings about a lot of diseases. How do you combat these diseases? Sometimes…

Q: What is y-interferon?

A: Interferons are group of naturally occurring substance that interferes with the ability of viruses…

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: Mature T-lymphocytes that have completed their “training” accumulate in which of the following…

A: Immune system is system which helps our body to fight against the foreign substances which will…

Q: *Innate immunity includes all the following except Group of answer choices interferon phagocytosis…

A: There are two types of immunity 1.innate 2.humoral

Q: Part of the complement system of defense is opsonization. This process  Group of answer choices…

A: Opsonization can be defined as a molecular mechanism that aims to identify invading particles with…

Q: How can an extracellular bacterium and an intracellular virus independently be targeted by a…

A: Cytotoxic T cells and Helper T cells  provide protection against differen types of pathoges.…

Q: Which of the following is TRUE regarding Gram negative bacteria? a- Their cell wall is composed of a…

A: Dear student, you have posted three separate questions, in a single question. Please don't make it…

Q: The dead outer surface of skin (not mucous membranes) uses which of the following innate defenses to…

A: Skin Barrier One of the most important physical barriers is the skin barrier, which is composed of 3…

Q: What are the functions of Helper T cell markers?

A: Answer: Introduction: The T helper cells (TH cells), also called as CD4+ cells, it is a type T cell…

Q: The basic strategy used by the adaptive immune system is: when a lymphocyte encounters the…

A: * Adaptive immunity consists of antigen specific responses adapted to specific pathogen which are…

Q: What are the functions of Cytotoxic T cell markers?

A: T lymphocytes are the important cells in the cell-mediated immune response. There are different…

Q: Name one of the thymic hormones that help direct the maturation and specialization of T cells

A: T lymphocytes are the most efficient cells of the immune system. These are the types of white blood…

Q: If a series of genetic mutations prevented some, but not all, of the complement proteins from…

A: Innate and adaptive immune responses are both parts of the immune system. Innate immunity develops…

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.