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Repost from Quiz-UOBCOM95
The persistent level of which of the following second messenger inhibits the degranulation of the mast cells and the release of the mediators of anaphylaxis
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Repost from Quiz-UOBCOM95
Itching, redness, and blistering around ear lobes after wearing new earrings might be caused by which cells
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Repost from Quiz-UOBCOM95
During blood transfusion,ABO incompatibilities lead to the recognition of A or B antigens present on the BC resulting in complement-mediated cell lysis.Which of the following antibody isotype is primarily involved in this type Il hypersensitivity reaction
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Repost from Quiz-UOBCOM95
Positive skin sensitivity test to widerange of common allergens result inan immediate wheel and flare reaction Occurs in
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Repost from Quiz-UOBCOM95
A child disturbs a wasp nest, is stungrepeatedly, and goes into shock within minutes, manifesting respiratory failure and vascular collapse. This is :MOST likely to be due to
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Repost from Quiz-UOBCOM95
Atopy - is a state of disordered immunity in which drive an inherited tendency for hyperproduction of specific cells antibodies after exposure to common environmental allergens
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Repost from Quiz-UOBCOM95
One of the following is the strongest risk factor for allergy
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Regarding intrinsic asthma, all of the followings are true EXCEPT
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Repost from Quiz-UOBCOM95
Erythroblastosis fetalis is a severe form of hemolytic disease developed when Rh+ fetus expresses Rh antigen on its red blood cells that the mother does not express. Which of the following condition is not true regarding this condition
A. The condition may have prevented by infusing of Rh immune globulin (RhoGam) to mother within 24-48 hours of pregnancy.
B. Plasmapheresis may use to remove the antibodies from the circulation.
C. During the first pregnancy, the exposure of Rh antigen leads to the generation of memory cells and the IgG response that is harmful during the subsequent pregnancy.
D.Rhogam may contraindicated following termination of pregnancy in Rh-negative mother.
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Repost from Quiz-UOBCOM95
Which of the following is organ specific autoimmune disease
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Repost from Quiz-UOBCOM95
Regarding mechanism of type III hypersensitivity disease,which one is correct
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Repost from Quiz-UOBCOM95
Khalid 10 years old come to the ER in a dusty day complaining from shortness of one of the following is a breath wheezes and dry cough for the last few hours. He has tachypnoea & tachycardia. Which synthesized mediator of this case? Select one
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Repost from Quiz-UOBCOM95
Khalid 10 years old come to the ER in a dusty day complaining from shortness of breath wheezes and dry cough for the last few hours. He has tachypnoea & tachycardia. Which of the following match with his :symptoms? Select one
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Repost from Quiz-UOBCOM95
Which one of the following is multisystemic autoimmune disease
