56: Host defenses: Opsonins include O MAC and CRP

Q: Which complement control protein would you consider to be the most detrimental to lose?

A: Complement control proteins (CCP) are proteins which are associated with components of the…

Q: Which of the following about basophils and mast cells is true? 1) basophils make leukotrienes, and…

A: Introduction: a particular sort of blood cell that is produced in the bone marrow and present in…

Q: Which sequence below best describes the actual order of events in inflammation? O IV, I, V, II, III…

A: This function is carried out by the immune system. Immunity is divided into innate and adaptive.…

Q: 33. Give a brief explanation of clonal selection and expansion

A: Clonal selection is a process proposed to explain how a single B or T cell that recogonizes an…

Q: An exaggerated, misdirected expression of immune responses to an allergen (antigen) would be…

A: Introduction: Immune responses defend the body from harm by warding off diseases and foreign…

Q: Which is a chemical of the second line defense?     none of the above     cytokines, thymosines,…

A: The innate or non-specific immunity forms the first line of defense against non-self pathogens.

Q: 16. Which cell type is derived from myeloid progenitors? A). Tc cell B). TH cell C). B cell D). Mast…

A: The development of blood cells starts with stem cells, which are unspecialized cells that can give…

Q: Host defense mechanisms that are present at birth and provide nonspecific resistance to infection…

A: immunity is the capability of multicellular organisms to resist harmful microorganisms.

Q: Following a rattlesnake bite, a patient is injected with horse anti-rattlesnake venom, serum. Ten…

A: The hypersensitivity reactions occurs when the body produces undesirable reactions against the…

Q: What is the mechanism by which the AIDS virus causes deficiency ofimmune system of the infected…

A: Viruses can spread through various agents such as air, water, direct contact, and by other means.…

Q: 3) Arrow is pointing to what tissue?

A: The walls of arteries and veins have a similar three-layer overall structure called the tunica…

Q: Activated B-Cells Clustered T-Cells Antigen Antibody

A: Immunoglobulin is made up of two words immune and globulin. The word immuno means immune response…

Q: Explain the two main features that characterize the third line of host defense mechanisms.

A: Introduction: The immune system is a complex network of immune cells and proteins that work together…

Q: Explain how CD8 T cells, CD4 T cells and B cells work together in the lymphoid tissues.

A: Immunology covers the study of immune systems in all living beings. Immunology charts, gauges, and…

Q: Relate specific events in inflammation to the symptoms of Pneumonia

A: Pneumonia is an infection that causes inflammation in the air sac in both the lungs and it might…

Q: Explain the CIN, MSI, CIMP pathways and mechanims in regards to adenocarcinoma colen cancer.

A: Colon and rectal cancers, two extremely aggressive and prevalent kinds of cancer, are included in…

Q: What are the synptoms of AIDS?

A: Acquired immunodeficiency syndrome (AIDS) is caused by the Human immunodeficiency virus (HIV). The…

Q: Diagram the host cell receptors that distinguish self from nonself

A:

Q: Describe the mechanism of the classical complement pathway and discuss the critical role that the…

A: Introduction :- One of three pathways that activate the complement system, which is part of the…

Q: What is the role of the dendritic cell in infection by HIV?

A: Dendritic cells have a tree-like shape. They are responsible for initiating the adaptive immune…

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: Condition where an arm of the immune system is not functioning, specifically the adaptive arm. Can…

A: A genetic disorder, also known as a genetic disease or genetic condition, refers to a medical…

Q: what are the Haptens, MHC 1 and 2, and APCs?

A: Haptens are small molecules that elicit an immune response only when they are attached to a large…

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.