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Exam (elaborations)

NR 507 midterm Latest Questions and Answers Rated 100% Correct

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Hives (urticaria) are an example of a: <~~> Type 1 hypersensitivity reaction. Anaphylaxis is what type of reaction? <~~> type 1 hypersensitivity Which of the following are considered the "first responders" of the innate immune system? <~~> neutrophils Allergic contact d...

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  • September 21, 2024
  • 40
  • 2024/2025
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  • NR 507
  • NR 507
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1 | P a g e | © copyright 2024/2025 | Grade A+




NR 507 midterm Latest Questions
and Answers Rated 100% Correct
Hives (urticaria) are an example of a:


✓ <~~> Type 1 hypersensitivity reaction.




Anaphylaxis is what type of reaction?


✓ <~~> type 1 hypersensitivity




Which of the following are considered the "first responders" of the innate

immune system?


✓ <~~> neutrophils




Allergic contact dermatitis is an example of what type of

hypersensitivity reaction.


✓ <~~> type 4 hypersensitivity reaction




Type 2 (Cytotoxic) hypersensitivity reactions are mediated by:


✓ <~~> IgG or IgM




Type 1 hypersensitivity reaction is mediated by



Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+


✓ <~~> IgE




Allergic asthma is an example of


✓ <~~> type 1 hypersensitivity reaction




type 2 hypersensitivity


✓ <~~> tissue specific




Primary effector cells of type 2


✓ <~~> macrophages




Examples of type 2 reactions


✓ <~~> drug allergies, hemolytic anemia, blood transfusion mismatch,

allergies against infectious agents




Type 2 causes


✓ <~~> The cell to be destroyed by the antibody

Cell destruction through phagocytosis by macrophages

Damage to the cell by neutrophils triggering phagocytosis

Natural killer cells to release toxic substances that destroy the target cell

Malfunction of the cell without destruction


Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+




Type 3 hypersensitivity reaction


✓ <~~> antigen-antibody response




Where does the antibody bind to the antigen in type 3 response?


✓ <~~> in blood or body fluids and then circulates to tissue




Where does the antibody bind to the antigen in type 1, 2, and 4?


✓ <~~> on cell surface




Primary effector cell in type 3


✓ <~~> neutrophils




example of type 3 reaction


✓ <~~> serum sickness




type 4 hypersensitivity reaction


✓ <~~> cell-mediated response




primary mediators of type 4




Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+


✓ <~~> lymphocytes and macrophages




type 4 mediated by


✓ <~~> T lymphocytes and do not use antibodies




example of type 4


✓ <~~> localized contact dermatitis (poison ivy)




Damage occurs with ABO incompatibility because:


✓ <~~> Complement damages RBC membrane causing cell lysis.




Which of the following is the underlying pathology for hay fever?


✓ <~~> mast cell degranulation




The diagnosis for an individual who presents to the office with sudden swollen

lips and eyes, shortness of breath and throat tightness after a bee sting is:


✓ <~~> anaphylaxis




Which of the following assessment findings would be expected in a patient

who presents with urticaria?




Master01 | September, 2024/2025 | Latest update

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