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2024 NR 507 MIDTERM EXAM WITH CORRECT ANSWERS 100%
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2024 NR 507 MIDTERM EXAM WITH CORRECT ANSWERS 100%
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2024 NR 507 MIDTERM EXAM WITHCORRECT ANSWERS 100%
Hives (urticaria) are an example of a: - CORRECT ANSWERS- Type 1
hypersensitivity reaction.
Anaphylaxis is what type of reaction? - CORRECT ANSWERS- type 1 hypersensitivity
Which of the following are considered the "first responders" of the innate immune
system? - CORRECT ANSWERS- neutrophils
Allergic contact dermatitis is an example of what type of
hypersensitivity reaction. - CORRECT ANSWERS- type 4 hypersensitivity reaction
Chronic bronchitis characterization - CORRECT ANSWERS- bronchial inflammation,
hypersecretion of mucus, and chronic productive cough that persists for at least 3
consecutive months for at least 2 successive years.
Classic sign of chronic bronchitis - CORRECT ANSWERS- Productive cough
Classic sign of emphysema - CORRECT ANSWERS- barrel chest
Extrinsic asthma - CORRECT ANSWERS- Triggered by allergic, chronic reaction
(pollen, dust mites, pet dander)
Elevated IgE is diagnostic
More common, especially in children
,Intrinsic asthma - CORRECT ANSWERS- Triggered by non-allergic factors
(chemicals- NSAIDS or aspirin, air borne irritants, infection, exercise, stress, anxiety,
GERD, obesity)
No elevation in IgE
More common in adults less than 40 years of age
Symptoms present during asthma exacerbation - CORRECT ANSWERS- non-
productive cough
wheezing heard on end-expiration
chest tightness
Asthma different from other obstructive diseases - CORRECT ANSWERS- variable
and reversible
Type 2 (Cytotoxic) hypersensitivity reactions are mediated by: - CORRECT
ANSWERS- IgG or IgM
Type 1 hypersensitivity reaction is mediated by - CORRECT ANSWERS- IgE
Allergic asthma is an example of - CORRECT ANSWERS- type 1 hypersensitivity
reaction
type 2 hypersensitivity - CORRECT ANSWERS- tissue specific
Primary effector cells of type 2 - CORRECT ANSWERS- macrophages
Examples of type 2 reactions - CORRECT ANSWERS- drug allergies, hemolytic
anemia, blood transfusion mismatch, allergies against infectious agents
, Type 2 causes - CORRECT ANSWERS- 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
Type 3 hypersensitivity reaction - CORRECT ANSWERS- antigen-antibody response
Where does the antibody bind to the antigen in type 3 response? - CORRECT
ANSWERS- in blood or body fluids and then circulates to tissue
Where does the antibody bind to the antigen in type 1, 2, and 4? - CORRECT
ANSWERS- on cell surface
Primary effector cell in type 3 - CORRECT ANSWERS- neutrophils
example of type 3 reaction - CORRECT ANSWERS- serum sickness
type 4 hypersensitivity reaction - CORRECT ANSWERS- cell-mediated response
primary mediators of type 4 - CORRECT ANSWERS- lymphocytes and macrophages
type 4 mediated by - CORRECT ANSWERS- T lymphocytes and do not use
antibodies
example of type 4 - CORRECT ANSWERS- localized contact dermatitis (poison ivy)
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