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100
Physical factors as cold or exercise may initiate anaphylaxis using a ____________ mechanism of activation.
Non-Immunologic
100
Congestion, sneezing, rhinorrhea, and pruritus of the nose, eyes, oral mucosa, or face and watering and redness of the eyes. Sneezing often marked by explosive paroxysms of 5 to 10 sneezes or more. Headache, a feeling of facial fullness, reduction in or loss of sense of smell, cough, and halitosis and anosmia.
Allergic rhinitis
100
A 57-year-old woman was admitted to our hospital for replacement of an implantable cardiac defibrillator (ICD). After 24 hr of successful reimplantation localized erythema was limited within the border of the generator and pruritis occured at the side of the generator pocket. She underwent patch testing that showed reaction to the various components of the pacemaker such as nickel, chromium, and titanium.
Allergic contact dermatitis
200
This is a hypersensitivity reaction. Potentially life-threatening, systemic & allergic reaction.
Anaphylaxis
200
An 82-year-old male presented with rash, burning, and itching on both knees. The patient had applied M. Radix sap to his knees for arthralgia for 3 consecutive days, and the lesions appeared on the fourth day.
Allergic contact dermatitis
200
Main triggers for anaphylaxis are three:
Foods, Drugs (eg. antibiotics, muscle relaxants), and Stinging insects
300
A 12-year-old boy patient presented with eczematous skin eruptions for 6 months-7 months duration in different parts of the body. He was also suffering from disturb sleep, anxiety and irritability for last few months. He was severe itching followed by eczematous eruption predominantly on the mediolateral aspect of shaft of the left leg.
Atopic dermatitis
400
Serum sickness is a type III hypersensitivity reaction that is mediated by formation of antigen-antibody immune complexes that deposit in the microvasculature of the body and cause an inflammatory response.
Serum Sickness
400
Mechanism starting the Immunologic (IgE independent) Anaphylaxis
Ag-Ab complexes (indirect complement activation)