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22 Cards in this Set
- Front
- Back
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Which venom immunotherapy has the highest risk and least benefit?
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Honey bee.
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What group(s) with venom allergy do not get immunotherapy?
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Under age 16 with cutaneous reactivity only; Anyone with large local reactions only.
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Hornets are a subspecies of...
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Yellowjackets.
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What is the characteristic of imported fire ant sting?
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Pustule.
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What insect causes anaphylaxis from a bite (not a sting).
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Triatoma (Kissing bug).
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What other ants besides solenopsis cause allergy?
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Australian Jack Jumper Ant (myrmecia); Harvester Red Ants (pogonomyrmex); Asian Ant (Pachycondyla).
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On what antigen protein is Vespid venom standardized?
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Hyaluronidase.
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What is the main allergen of Vespid venom?
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Antigen 5.
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Besides Antigen 5, name other vespid antigens.
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Hyaluronidase, phospholipase, acid phosphatase.
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Besides Phospholipase A2, name other Apis antigens.
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Melittin, Acid phosphatase, hyaluronidase.
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What allergen is unique to honey bees?
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Melittin.
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What allegen is unique to vespids?
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Antigen 5.
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Name the antigen:
Api m 1 Api m 2 Api m 3 Api m 4 |
Phospholipase A2
Hyaluronidase Melittin Acid phosphatase |
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Name the allergen:
Dol m 1 Dol m 2 Dol m 3 Dol m 5 |
Phospholipase A1
Hyaluronidase Acid phosphatase Antigen 5 |
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Name the allergen:
Sol i 1 Sol i 3 |
Phospholipase
Antigen 5-like protein |
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What are the sequelae of numerous insect stings at once?
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Hypotension, Rhabdomyolysis,
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What percent of the general population will have a positive skin test to insect venoms?
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Up to 20%.
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If the history is positive for a venom systemic reaction and the skin tests are negative, what should you do?
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Wait six weeks and repeat and also order a RAST panel.
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What percent of positive skin test venom allergic patients will have a negative RAST?
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20%
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What percent of positive RAST patients with a history of a systemic reaction will have a negative skin test?
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20%.
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What risk factors increase the risk of a recurrence of venom anaphylaxis (on resting) after stopping venom immunotherapy?
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1) age: adults>children; 2) species: honey bee>vespids; 3) severity of original reaction; 4) Reactions to the IT; 5; Continued positive skin test.
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What concentration of venom is most likely to identify a true positive venom allergy?
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1 ug/mL (note 10 ug/mL starts to become less specific).
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