Interferon aims to protect cells against which of the following? O 1) Intracellular bacteria O 2) Helminth infection O 3) Viral infections O 4) Attack by immune complexes

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: 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: 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: 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: 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: 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: 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: DiGeorge syndrome is the result of the absence or immaturity of the thymus gland at birth. This…

A: The immune system of the body consists of immune cells which is responsible for removing the foreign…

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: 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: 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: 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: Interferons are considered as ______ signals IL-2 is considered as ________ signals IL-1 is…

A: Signaling molecules are small molecules, ions, or even gas that can either cross the lipid bilayer…

Q: Which of the following is one of the family of immunoglobin like proteins that mediate Ca+2?a)…

A: Cell surface adhesion molecules are primarily involved in the transmission of information from…

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: 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: Suppose a patient is suffered by fever with inflammation.  What will be the biomarkers to detect…

A: Inflammation It is a local defensive mechanism to the tissue damage to limit the spread of injurious…

Q: An allergic reaction is an example of:

A: An allergic reaction is an example of:

Q: What is the difference between PAMP and antigen?

A: The immune system is studied in immunology. The immune system is a collection of cells, tissues, and…

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: The brain can sense cytokines released by peripheral immune cells through the following means EXCEPT…

A: Cytokines are small proteins produced by cells of the immune system in response to infection,…

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: 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: 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: 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: 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: 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: 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: Which of the following happens during inflammation? A) O The capillaries supplying blood to the area…

A: Immunity is the body's defense system that protects the body from the invasion of harmful particles…

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…

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.