Type 1-4 hypersensitivity from chart Questions and Answers (100% Correct Answers) Already Graded A+

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Type 1-4 hypersensitivity from chart Questions and Answers (100% Correct Answers) Already Graded A+

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Institution Hypersensitivity

Course Hypersensitivity

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Type 1-4 hypersensitivity from chart Questions and Answers (100% Correct Answers) Already Graded A+

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1

Type 1-4 hypersensitivity from chart
Questions and Answers (100% Correct
Answers) Already Graded A+
Type 1
Ans: mediated by IgE

Type 2
Ans: mediated by IgM or IgG
© 2026 Assignment

Type 3
Ans: mediated by IgG
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Type 4
Ans: mediated by T lymphocytes

Type 1, 4
Ans: compliment activation: NO

Type 2, 3
Ans: compliment activation: YES

Type 1
Ans: immune response: Ag plus IgE, leading to mast cell degranulation

Type 2
Ans: immune response: Surface Ag and Ab, leading to killer cell cytotoxic
action or complement-mediated lysis

Type 3
Ans: immune response: Ag-Ab complex in tissue; complement activated
and PMNs attracted

Type 4
Ans: Ag-sensitized T cells release lymphocytes leading to inflammatory
reactions, and attract macrophages, which release mediator

, 2

Type 1, 2
Ans: peak action: 15-30 min

Type 3
Ans: peak action: 6 hours

Type 4
Ans: peak action 24-48 hrs

Type 4
Ans: all types of hypersensitivity have serum transferability except for
© 2026 Assignment

Type 1
Ans: cell transferability: familial
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Type 2
Ans: cell transferability: HLA linked in some cases

Type 3
Ans: cell transferability: familial (autoimmune)

Type 4
Ans: cell transferability: unknown

Type 1
Ans: Genetic mechanism: High IgE level

Type 1
Ans: Genetic mechanism: HLA linked ir genes

Type 1
Ans: Genetic mechanism: general hyper-responsivenes

Type 3
Ans: Genetic mechanisms: HLA specifities

Type 1
Ans: reaction caused by t-cell deficiency

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Uploaded on: March 21, 2026
Number of pages: 5
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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