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What is an Arthus reaction?
An Arthus reaction is a hypersensitivity reaction involving the in situ formation of antigen/antibody complexes after the intradermal injection of an antigen.
Is a transfusion reaction a subacute hypersensitivity to foreign red blood cells?
A transfusion reaction is typically an acute hypersensitivity reaction to foreign red blood cells, which can occur immediately or within a few hours of the transfusion. Subacute hypersensitivity reactions usually take days to develop after exposure to the antigen, unlike the immediate onset of symptoms seen in transfusion reactions.
What is dermal hypersensitivity reaction?
Dermal hypersensitivity reaction is an exaggerated immune response in the skin to certain substances or allergens. This reaction can lead to symptoms such as redness, itching, swelling, and rash at the site of contact with the allergen. Common causes include contact dermatitis, eczema, or allergic reactions to chemicals, plants, or certain metals.
What is an idiosyncratic reaction?
This is the hypersensitivity to a drug or other substance without any relation with thr immunological response.
Which term describes an exaggerated life threatening hypersensitivity reaction to a previously encountered antigen?
Anaphylaxis is the term that describes an exaggerated life-threatening hypersensitivity reaction to a previously encountered antigen. It can lead to symptoms such as difficulty breathing, swelling, and a drop in blood pressure, requiring immediate medical attention.
What Immunoglobulin is released in an allergic reaction?
Immunoglobulin E (IgE)
Which type of hypersensitivity reaction causes an asthma attack?
Type I hypersensitivity reaction http://en.wikipedia.org/wiki/Asthma
What occurs when the immune system mounts an exaggerated response to a harmless antigen?
hypersensitivity
Which immunoglobulin is associated with reactions?
IgE
Hay fever is a type of reaction?
Hypersensitivity
What is the same as hypersensitivity?
Hypersensitivity is also known as allergic reaction, exaggerated immune response, or allergic sensitivity.
What hypersensitivity reaction does not involve an antibody response?
Type IV
What is an Arthus reaction?
An Arthus reaction is a hypersensitivity reaction involving the in situ formation of antigen/antibody complexes after the intradermal injection of an antigen.
Is a transfusion reaction a subacute hypersensitivity to foreign red blood cells?
A transfusion reaction is typically an acute hypersensitivity reaction to foreign red blood cells, which can occur immediately or within a few hours of the transfusion. Subacute hypersensitivity reactions usually take days to develop after exposure to the antigen, unlike the immediate onset of symptoms seen in transfusion reactions.
What individual hypersensitivity to a substance usually antibody-antigen reaction is known as?
It is an allergy
What does hay fever and hives have in common?
they are all hypersensitivity reaction
What has the author Mariana C Castells written?
Mariana C. Castells has written: 'Anaphylaxis and hypersensitivity reactions' -- subject(s): Hypersensitivity, Anaphylaxis, Acute phase reaction, Clinical immunology, Allergy, Acute-Phase Reaction
