Compare and contrast atopic allergy and type IV (delayed)hypersensitivity as to mechanism, symptoms, eliciting factors, andallergens.

Q: Explain how and why antihistamines have a soothing effect on IgE-mediated allergy.

A: Histamine are released by mast cells in most tissue and basophils  in blood also. Or stored in…

Q: Define what is meant by type IV hypersensitivities.

A: Hypersensitivity is otherwise known as intolerance and refers to the over or exaggerated immune…

Q: Describe the characteristics of the types of hypersensitivity disorders.?

A: The immune system is complex networking, which includes cells and proteins that defend the organism…

Q: Serum sickness does begin immediately upon the production of anti-BSA antibodies. How does the…

A: Introduction : A hypersensitive reaction is characterised by an immune response to an antigen that…

Q: Indentify the four major categories of hypersensitivity or overreactions to antigen.

A: Immunopathology is the condition of disease brought on by immune system failure. Life-threatening…

Q: Serum sickness belongs to what type of hypersensitivity? What causes serum sickness?

A: Hypersensitivity occurs when body produces an unnecessary and undesirable immune response following…

Q: Describe and give one example of the following: Hypersensitivity Type IV

A: Hypersensitivity  is exaggerated immune response. It is a response by host-tissue towards the…

Q: Explain the mechanism of immediate allergies, including theconcepts of IgE, mast cells,…

A: Immunology is the branch of medical science that deals with the study of the immune system and…

Q: Explain how tolerance to self-antigens may be produced. Also, give two examples of autoimmune…

A: The immune system is responsible for protecting the body from foreign pathogens. Immune system fight…

Q: Compare and contrast the immunologic reactions involved in types I through IV hypersensitivities.

A: Ans: Hypersensitivities: It is the undesirable response or reactions elicited by the normal immune…

Q: How is the bivalence of antibodies significant for a precipitationreaction, and under what…

A: Antibodies are the Y-shaped molecules that are responsible for binding to the foreign particles and…

Q: Distinguish between the hypersensitive response and systemic acquired resistance.

A: Instead of an immune system, the plants have some defense mechanisms that are used to defend…

Q: Explain how people with autoimmunity could develop antibodiesagainst intracellular components…

A: Autoimmunity is a condition when the immune system turns hostile against its own self. A disease…

Q: Describe how an immediate-reactionhypersensitivity (allergy) response may occur.

A: Hypersensitivity reaction(HR) It occurs when the normally protective immune system responds…

Q: Explain the reasons for changes in antibody titer for a singleinfectious agent, from the acute phase…

A: Antigen is a foreign particle or infectious agent which elicits the immune response in one body and…

Q: Explain the following concept in human physiology and cite clinical instances, where applicable A.…

A: An immune response is a reaction that occurs within an organism for the purpose of defending against…

Q: escribe the example of type IV delayed hypersensitivity reaction.

A: Type IV, commonly referred to as delayed reaction hypersensitivity, is a T-cell-mediated…

Q: Discuss the relative importance of (a) antibodies and (b) macrophages in the development of named…

A: Antibodies are substances produced by B lymphocytes in the body, against harmful and toxic…

Q: Determine the features of antibodies that make them particularly suited for forming complexes with…

A: The human body has about 37 trillion cells in total, although a significant portion of them are…

Q: allergic asthma is an example of type 1 hypersensitivity, what are the major characteristics of this…

A: Allergic asthma is asthma which trigger by same substance which triggers allergy. Type 1…

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: Provide examples and mechanisms for an antibody-mediatedautoimmune disease directed against a…

A: Some basic information :- Immune system :- these are the cells or tissues which work together in…

Q: Define allergy/hypersensitivity and explain what accounts for thereactions that occur in these…

A: The immune system consists of organs and processes of the body that provides resistance to infection…

Q: Give some examples of allergens and explain their routes of accessto the body.

A: Basic definition  Allergens as the name suggests are the things which causes allergies. The…

Q: Describe briefly at least 3 different autoimmune disorders according to:

A: In autoimmune disorders the immune system of the body attacks own body cells and causes damage in…

Q: Briefly define the set of terms and explain how they relate to one another: Allergy, autoimmune

A: Allergies and autoimmune or autoimmunity both are special conditions of immune system present in our…

Q: Give examples and short description of the four types of hypersensitivity

A: Hypersensitivity is a condition when the immune system of the body responds hyperactively to the…

Q: What are some clinical examples of type IV hypersensitivity?

A: Introduction :- Exaggerated or inappropriate immune reactions to an antigen or allergen are known as…

Q: Compare and contrast type I and type IV hypersensitivity as to mechanism, symptoms, eliciting…

A: An allergy is the response of the immune system to any foreign substance. This immune response is…

Q: List the three main ways to prevent or short-circuit type I allergic reactions.

A: Introduction: Allergic reactions are hypersensitive responses to any substance. these substances are…

Q: Identify commonalities and differences between type II and type III hypersensitivities.

A: The procedure through which an individual's immune system is strengthened against an infectious…

Q: Explain the following concepts in human physiology and cite clinical instances, where applicable;…

A: An immune response is a series of reactions that takes place within an organism for the protection…

Q: (i) Serum sickness belongs to what type of hypersensitivity? What causes serum sickness? (ii) Serum…

A: i) The serum sickness is a type-3 hypersensitivity reaction. -serum sickness have low levels of…

Q: Determine the similarities and differences between type II and type Ill hypersensitives.

A: Antibodies are created after the initial exposure to the antigen and circulate in bodily fluids.…

Q: Explain the requirements for developing a type II hypersensitivity.

A: The immune system of the body has several mechanisms to protect the body against pathogens or…

Q: Describe about the role of mast cells and basophils in allergy.

A: Mast cells are the modified basophils of the immune system of vertebrate animals. Basophils are a…

Q: Describe one example of a type IV delayed hypersensitivity reaction.

A: Hypersensitivity is an exaggerated response of the immune system against any antigen or pathogen.…

Q: Describe the mechanism and clinical effects of each of thefour types of hypersensitivity reactions.

A: Hypersensitivity reactions are unusual and undesirable immune reactions toward normally harmless…

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.