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WorksheetsHypersensitivity Reactions
Total questions: 10
Worksheet time: 5mins
An increased (exaggerated) response of normal immune system that damages the body tissues is known as ___
hypersensitivity
hypersensitivity reaction
Allergy
All the above
Which of the following is called Delayed-type hypersensitivity reaction?
Type II
Type I
Type IV
Type III
Antigens in bee sting venom, pollens, nuts may cause ____ hypersensitivity reaction.
Anaphylactic
Immune-complex mediated
antibody-mediated cytotoxic
Delayed type
Sensitization phase in delayed type hypersensitivity reaction takes ___ time.
1-2 weeks
4-5 weeks
1-2 months
3-5 days
IFN-γ, TNF-β, IL-2 are examples of ___
Antigens
Cytokines
Immunoglobulins
Antibodies
In type I reaction, IgEs trigger mast cells to produce ___
Antibody
Histamine
Allergen
Interleukin
Which of the following is true for hypersensitivity reactions?
The reaction during a blood transfusion is an example of a Type II hypersensitivity reaction (cytotoxic hypersensitivity).
The reaction during a blood transfusion is an example of a Type III
The reaction during a blood transfusion is an example of a delayed type reaction
The reaction during a blood transfusion is an example of antigen mediated reaction
Hemolytic disease of the newborn caused by Rh incompatibility in a subsequent pregnancy can be prevented by administering antibodies against the Rh antigen to the mother. These antibodies are called ____
Rhogam
Rh Antigen
Rh Factor
RhO anti antibody
Localized Arthus reaction (reaction at site of injection) and generalized reactions such as serum sickness, rheumatoid arthritis, and systemic lupus erythematosus. These are due to ____ reaction.
Type 1
Type 2
Type 3
Type 4
____ are proteins in type II reactions that bind to foreign particles and bacteria making them more susceptible to the action of phagocytes.
Opsonins
Haptens
Interleukins
Cytokines
