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serum sickness damage the kidney via ➡️ immune complex and complment activation with neutrophil activation

Leprosy is a chronic infectious what type of leprosy a person disease caused by Mycobacterium leprae. The ability of this organism to cause disease is related to its ability to infect, persist in, and replicate within macrophages. The leprosy skin test is used to determine has. In this test, inactivated Mycobacterium leprae injection, a person with a positive reaction against the organism organisms are injected just beneath the skin. At the site of test will develop an area of induration with erythema peaking around 48 hours after the injection. If this test measures a hypersensitivity what type of hypersensitivity ? reaction is it intended to detect A) Type I B) Type IV C) Type II D) Type II and III

A 7-year-old boy developed itchy fever,the boy's symptoms were also presumed to be an allergy to eyes and swollen lids after playing tennis in the garden. Because his mother had hay grass pollen. After several episodes of increasing severity, was skin tested, a weal - and flare reaction appeared 5-15 min of grass pollens, cat fur and house dust mite. The speed and medical help was sought. He after prick testing with extracts nature of the reaction confirmed which type of the following hypersensitivity reaction? A) Type II:-Antibody mediated hypersensitivity reaction B) Type IV:-Delayed type hypersensitivity reaction C) Type I: immediate hypersensitivity reaction D) Type III:- Immune complex mediated hypersensitivity reaction

Ve PPD skin test means all+ except➡️ State of immunosuppressant

After 7 days of penicillin use started proteinuria (cause of glomerulonephritis) the mechanism➡️ IgG-IgM complex

Preformed mediator in mast cells➡️ Histamine

Hyposensitisation effect ocuurs by➡️ IgG

Hemolytic disease of the newborn due which maternal immunoglobulin ➡️A) IgG