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Nusc 3233 Food allergies Exam with complete solutions 2024_2025
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Nusc 3233 Food allergies Exam with complete solutions 2024_2025
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Nusc 3233 Food allergies Exam withcomplete solutions 2024/2025
Food Allergies background - ANSWER-150-200 Americans die each year
Effects:
2% adults
4-8% children
Often occurs with: asthma, eczema, other food allergies
Can occur at anytime, to anyone
Can change over time
Can be outgrown
Food Allergy deffinition - ANSWER-An adverse reaction to a food or food
component involving the body's immune system
Food Allergy Difference - ANSWER-Involves immune system
Triggers immune response
Can be life threatening
Hives, itching, skin rash, swelling
Respiratory complications
Gastrointestinal problems
Problems maintaining equilibrium and consciousness
Food Intolerance Difference - ANSWER-Sensitivity
Does not involve immune system
Abnormal reaction to food
Non-life threatening
Typically lack of needed enzyme or specific chemical
Gastrointestinal problems
, Glycoprotein - ANSWER-protein with carbohydrate group attached to peptide
chain
Food Allergy description - ANSWER-An immune response to a food or substance
Cross-sensitivity/reactivity
Normally a protein or glycoprotein
Tertiary or quaternary structures that prevent degradation
Initiate IgE antibodies
Allergic reaction
Immune System - ANSWER--Protect against disease
-Distinguish healthy tissue from foreign pathogens
-Innate vs Adaptive Response
-Disorders: Autoimmune Inflammatory Cancer
Antigen - ANSWER-A toxin or other foreign substance
Induces an immune response
Often the production of antibodies
Recognized by highly variable antigen receptors of the adaptive immune system
B-cell receptor or T-cell receptor
Allergies: antigen is the allergic component
Soy, wheat, fish, shellfish, fruits, vegetables, corn, spices, synthetic and natural
colors, chemical additives, etc.
Immunoglobulin E (IgE) antibodies - ANSWER-An immune response leading to
the formation of IgE
Hyperactive response- IgE antibodies are produced
Released by B-cells
Identify allergy agents as harmful
Bind to surface of protein-tagged
Binds to Mast cells
Initiate allergic response
Mast Cells - ANSWER-This cell occurs in areas typical of allergic reactions (local
response)
Nose and throat, lungs, skin, and gastrointestinal tract
Releases histamine
Histamine - ANSWER-Nitrogenous compound
Blood vessels: vasodilation, fall in blood pressure Anaphylaxis
Mucus membranes: causes fluid to escape from the capillaries to the tissues
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