Define allergy/hypersensitivity and explain what accounts for thereactions that occur in these conditions.

Q: Relate examples of secondary immunodefi ciencies.

A: Secondary immunodeficiency - Secondary immunodeficiency are the disorder, which is caused by…

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: Contrast type II and type III hypersensitivities with respect to typeof antigen, antibody, and…

A: The undesirable reactions produced by the body's immune system which includes allergy and…

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: Give an example of autoimmune disease.

A: The immune system is a complex system of the body that includes cellular as well as molecular…

Q: . Diagram the sequences of events in immediate hypersensitivity

A: Immediate hypersensitivity is also termed type I hypersensitivity. It is a type of allergic reaction…

Q: Suggest some possible physiological benefits of allergy.

A: Allergy is a body response in which the immune system is overly sensitive, producing an exaggerated…

Q: Explain the symptoms of systemic lupus erythematosus (SLE) ?

A: Systemic Lupus Erythematosus : It is an autoimmune disease. It is an inflammatory disease caused…

Q: Describe general characteristics of type I allergic reactions.

A: In physiology, the allergic reactions are refers as hypersensitive reactions which takes place…

Q: Describe the factors determining host resistance.

A: Host resistance can be defined as the ability of a host to decrease the action of the pathogen on…

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: Explain the the general effects of hypersensitivity.

A: Hypersensitivity reactions are due to an increase in immune sensitivity which is antibody-mediated…

Q: Define autoimmune disease, and list several specificexamples of these diseases

A: Autoimmune disease is a type of disorder in which the body's immune system works abnormally. In such…

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: Explain why allergic responses tend to recur.

A: Allergic reactions, also known as hypersensitive reactions. It occurs when our immune system starts…

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: Compare and contrast atopic allergy and type IV (delayed)hypersensitivity as to mechanism, symptoms,…

A: Atopy is a chronic allergy that is characterized by the immediate beginning of manifestations. Type…

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: Describe general characteristics of allergic reactions.

A: The hypersensitivity reactions are undesirable reactions which are produced by the normal immune…

Q: List two potentially life-threatening consequences of a Type I hypersensitivity reaction and explain…

A: The immune system is critical for maintaining human health and defending the body from microbial…

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

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

Q: Explain the importance of determining the specific causesof allergic reactions

A: Allergic reactions are abnormal immune responses produced by one's body at exposure to harmless…

Q: Would pneumococcal pneumonia require a TH cell to stimulate a B cell to form antibodies?

A: Introduction Lymphocytes are important cells of an immune system to generate an immune response.…

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: 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: Identify the classification of host Defenses.

A: Introduction  We are surrounded by various pathogens such as bacteria, viruses, fungus etc. Every…

Q: Describe several factors that infl uence types and severity of allergic responses.

A: Introduction: The immune response is a protective mechanism, but it can also be harmful to the body.…

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 causes and effects of immunodeficiency

A: Immunodeficiency diseases are caused by a defect in one or more components of innate or adaptive…

Q: What are the strategies for combating allergy attacks?

A: Introduction Allergies are caused by improper and sudden immune response of our body to certain…

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: Defi ne allergy and hypersensitivity and explain what accounts for the reactions that occur in these…

A: The physical substance of an organism constitutes its body. Human body respond in different ways in…

Q: Describe the basic steps in acute inflammation.

A: Introduction Damage to body tissues results in inflammation, which can be brought on by a variety of…

Q: Explain the genetic and environmental factors that influence allergy development.

A: An antibody against a harmless chemical is activated as a result of an allergic reaction that the…

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.