An allergy to pollen: is a type I hypersensitivity reaction   both is a type I hypersensitivity reaction and is antibody mediated   both is a type I hypersensitivity reaction and is cell mediated   is antibody mediated   is cell mediated

Q: If you gain immunity to an antigen by receiving a vaccine this is:     Natural passive…

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

Q: The type of immunity which has long lasting effect but has the risk of dying from the disease is __…

A: Immune Response can be classified into the following types: 1. Active Immunity which is further…

Q: To put an end to the COVID-19 pandemic, vaccines were developed against the virus and people…

A: Vaccines are antigens or proteins that help in eliciting the host immune response against specific…

Q: Human bodies make more different varieties of antibodies than they do different Toll-like receptors.…

A: Humans have immune systems that defend the body from disease-causing microorganisms. The first line…

Q: In cortical region of the thymus, T cells are the following EXCEPT Select one: Each cell must bind…

A: Answer: Introduction: Primary lymphoid organs – Primary lymphoid organs are including thymus, Bursa…

Q: Compare the different types of hypersensitivity reactions.

A: Hypersensitivity reactions are harmful antigen specific immune response and occur when an individual…

Q: On which cells do we find self and non s

A: Every organism has unique molecules on the surface of the cells . The immune system has the capacity…

Q: Which of the following vaccines is safe to administer to a patient who has a T-cell deficiency?…

A: T-cell deficiency is a deficiency of T-cells, due to reduced T-cell function, which induces…

Q: A hypersensitivity reaction occurs During the first exposure to an antigen. On a second or…

A: A hypersensitivity reaction occurs on a second or subsequent exposure to an antigen. This means that…

Q: True or False: In non-disseminated infections, Mycobacterium species are restrained by type-1…

A: In non-disseminated infections Mycobacterium species are restrained by type-1 responses which…

Q: Eosinophils are proinflammatory mediators : they function in allergy, parasite eradication, and…

A: Eosinophil is a type of WBC and they play a significant role in immune system to fight off…

Q: define what type II hypersensitivity is. What antibodies are involved? What is the immune system…

A: This is an antibody dependent process where specific antibody binds to antigen results in…

Q: The GREEN line on the graph represents which of the following in the course of an infection with HIV…

A: AIDS It refers to Acquired immunodeficiency syndrome which is a life- threatening disease, caused by…

Q: Which of the following true of active immunity? Is considered to provide short term protection O…

A: The immune system protects the body from the external attack of a pathogen or foreign body. Active…

Q: The immune cell that would expand most during a parasitic infection would be?     neutrophil…

A: There is a crucial function for the immune system: it defends the body from infectious chemicals,…

Q: how can some drugs lead to a type 2 hypersensitivity?

A: Hypersensitivity refers to undesirable and unwanted reactions produced by the normal immune system,…

Q: Choose all the answers that are true. The lymphatic system helps to protect the body Inflammation…

A: Lymph does not contain Red blood cells. It only contains White blood cells. The lymphatic system is…

Q: The secondary antibody used in the laboratory for western blotting is conjugated to which enzyme?…

A: Secondary antibody is complementary to the primary antibody that is specific for a particular…

Q: Breast feeding is associated with what type of immunity? Active immunity Innate immunity Passive…

A: Breastfeeding is the process wherein the mother feeds the baby the milk produced by her mammary…

Q: What type of hypersensitivity are common allergies classified as? Type 1, Type 2, Type 3, or Type 4

A: The immune system plays an important role in protecting the body from the foreign antigen. Varieties…

Q: The conjugated -antibody can be either primary antibody or the secondary antibody True False

A: Primary antibody binds to antigen while secondary antibodies bind to primary antibody Fc region. Fc…

Q: When describing cytokines which statement is false? Group of answer choices  Cytokines can be used…

A: Cytokines are cell signalling molecules responsible for communication between the cells to elicit an…

Q: Which of the following is mismatched? Epitope - Specific area on an antigen that interacts with…

A: Q. Ans:- Explanation:- The first statement is correct as the epitope is that region on the antigen…

Q: hich of the following is a set of immediate general defenses against infection present in all…

A: Ans- Adaptive immunity

Q: Which of the following steps are part of the processing of antigen by immune cells? Select all that…

A: Antigen processing It is also called the cytosolic pathway. It i.s an immunological process which…

Q: Describe the ways in which each of the following pathogens can disarm their host’s immune system or…

A: There are a number of different ways of evading or subverting the immune response. These…

Q: The cytokine that activates macrophages, inhibits viral replication, and increases MHC Class I…

A: The cytokine that activate marcopahges, inhibits viral replication and increase MSH class 1…

Q: Which of the following are differentiated effector cells that can actively secrete antibodies?…

A: Immunity is defined as the body's ability to defend itself against a pathogen. There are two types…

Q: It is the exaggerated response of the immune system to certain antigens present in the environment…

A: A compromised immune system means that the "immune system" is not able to work efficiently and has…

Q: Which of the following are ways a pathogen can disrupt systemic controls? autoimmune diseases I…

A: Cytokines are a group of low-molecular- weight regulatory proteins secreted by WBC and other cells…

Q: These are released by host cells in response to viral stimulation. Some act to prevent viral…

A: Introduction  A virus is an infectious microorganism made up of a protein-coated segment of nucleic…

Q: Memory B cells stand ready to: reproduce rapidly and produce their specific antibody kill viruses…

A: Lymphocytes are the type of leucocytes that play an essential role in immunity.

Q: From the list below, select all the examples that of defense that ARE NOT considered part of the…

A: Hypersensitive Response: The hypersensitive response (HR) is a plant defense mechanism that involves…

Q: The shingles vaccine introduces killed virions with antigen intact, into the body of a person who is…

A: Introduction Immunity Is The Body's Ability To Defend Itself Against Infections. People Are…

Q: true or false the innate immunity system requires activation and must be specific to the invading…

A: Immunology is the branch of science which deals with the study of the immune system, immune response…

Q: which of the following is a chemical defense found on all epithelial surfaces of the body?  Lysozme…

A: Lysozyme is a naturally occurring enzyme that is present in the tears,saliva,milk and mucus,etc.…

Q: A monoclonal antibody molecule has only one Fab domain, while a polyclonal antibody has two Fab…

A: An Antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein produced mainly…

Q: True or false B cells are responsible for cellular immunity Cytotoxic t cells recognize class 1…

A: White blood cells or WBCs are the parts of immune system that protect the body against foreign…

Q: Briefly explain where each antibody comes from in the examples below. When cold ends antibodies come…

A: Here, we are talking about the origin of antibodies, which are the the key components of the immune…

Q: During a bone marrow transplant procedure it is possible that, if successful, the recipient may…

A: A bone marrow transplant is a technique through which unhealthy bone marrow is replaced by healthy…

Q: Which type of immunity is acquired through the transfer of colostrum from the mother to the child?…

A: There are four types of immunity: natural active immunity, artificial active immunity, natural…

Q: Which class of antibodies functions as a dimer?   IgE IgG IgM Secretory IgA

A: Immunoglobulins or Ig molecules are synthesized and released by the B-lymphocytes or B-cells. It is…

Q: IF A PERSON IS INFECTED BY THE SAME PATHOGEN A SECOND TIME , why does the person either not get sick…

A: Immunology is the study of the immune system and its response to infections. The immune system…

Q: Discuss mitotic rate in the epithelium, and why it makes epithelium vulnerable to traditional…

A: Epithelial cells comprise the skin and skin-like linings that coat internal organs, giving organs a…