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IHS 340 Final Exam with Complete Solutions
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IHS 340 Final Exam with Complete Solutions
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IHS 340 Final Exam with Complete SolutionsA cytokine is a ______________ . - ANSWER-Signal molecule
A degenerate receptor is a receptor that _________________. - ANSWER-Binds
multiple ligands and activates intracellular signaling pathways
A leukocyte is a _______________. - ANSWER-Cell
Adaptive immune responses are directed at pathogen-encoded molecules called -
ANSWER-Antigens
Adaptive immunity occurs when - ANSWER-Both the innate immune response fails to
eliminate pathogens in the body and pathogen infections persist in the body after the
initial defense response
Adverse food reaction {Immune mediated} - ANSWER-1. IgE mediated
2. non-IgE mediated
3. mixed IgE and Non-IgE mediated
4. cell mediated
Adverse food reaction {Non-immune mediated} - ANSWER-1. metabolic
2. pharmacologic
3. toxic
4. other/idiopathic/undefined
An antibody is a type of _______________ - ANSWER-Receptor
An inanimate object that transits infectious agents between hosts is most appropriately
called a - ANSWER-Fomite
anapylaxis - ANSWER-anaphylaxis is the most severe form of food allergy reaction;
every three minutes a food allergy reaction sends someone to the ER (about 200,000
visits/year)
Antibodies consist of ___________ polypeptides, __________ heavy chains, and
___________ light chains. - ANSWER-Four/two/two
antigen-antibody bonding - ANSWER-the epitope on an antigen binds to the paratope
(binding site) of an antibody
B cells are a type of ____________ cell. - ANSWER-Lymphoid
biggest allergens - ANSWER-1. milk
2. eggs
, 3. peanuts
4. tree nuts
5. soy
6. wheat
7. fish
8. shellfish
9. sesame
Carbolic acid - ANSWER-Both was first used in the latter half of the 1800s to treat
wounds and clean surgical instruments and dentaures proteins and DNA bases
cross reactions - ANSWER-1. ragweed: watermelon, cantaloupe, honeydew, bananas
2. birch pollen: carrots, apples, hazelnuts, potatoes
3. banana: latex
Dendritic cells present extracellular-acquired antigen to which type of cell? - ANSWER-
T cell
Dendritic cells present extracellular-acquired antigen to which type of cell? - ANSWER-
Th cells
Eosinophils are a type of _______________ cell. - ANSWER-Myeloid
Exposure - ANSWER-when someone ingests/touches an allergen; airborne food protein
can be enough to cause a reaction; no cure for food allergy; strict avoidance --> only
way to prevent reaction
Food allergy - ANSWER-adaptive immune response to an antigen in food (immune
system)
food allergy diagnosis - ANSWER-medical history
skin test
lab tests
oral food challenge
elimination diet
double-blind food challenge
food intolerance - ANSWER-more common than food allergies; food poisoning;
histamine toxicity; lactose intolerance; food additives gluten intolerance; corn products
food sensitivity - ANSWER-stimulation of inflammatory and adverse physiologic
responses by non-antigenic components of food (digestive system)
For a blood cell, what is the route for circulation throughout the body? - ANSWER-
Arteries to capillaries to veins
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