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Score
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5
×
Do CD8+ killer T-cells recognize MHC I or II?
MHC I
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5
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What is the most common cause of contact dermatitis?
Toxicodendron dermatitis
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5
×
What caused the bullae to develop in Toxicodendron Dermatitis?
CD8 T cells caused keratinocyte apoptosis->loss cellular adhesion->spongiosis->papule->bullae/vesicle
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5
×
what do CD4+ helper T cells release?
cytokines
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lifesaver
Give 25 points!
Oops!
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rocket
Go to first place!
Okay!
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fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
Oops!
5
×
What type of hypersensitivity reaction is Toxicodendron dermatitis?
Type IV hypersensitivity
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seesaw
Swap points!
Oops!
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magnet
Take 20 points!
Okay!
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gift
Win 15 points!
Okay!
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lifesaver
Give 10 points!
Oops!
5
×
Do CD4+ helper T-cells recognize MHC I or II?
MHC II
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5
×
Define Type I hypersensitivity reaction
reaction mediated by IgE antibodies.
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seesaw
Swap points!
Oops!
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gold
Win 50 points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 10 points!
Oops!
5
×
Define Type III hypersensitivity reaction
reaction mediated by immune complexes
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Check
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lifesaver
Give 25 points!
Oops!
×
seesaw
Swap points!
Okay!
×
rocket
Go to first place!
Okay!
×
banana
Go to last place!
Oops!
5
×
most common signs and symptoms of poison ivy dermatitis are
Intense itching; Skin swelling and blisters; Skin redness
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5
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what is the offending allergen in Toxicodendron?
Urushiol oil
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5
×
What is the sensitization phase in allergic contact dermatitis?
Haptens penetrate epidermis->activate langerhan cells->lymph nodes->activate naive T cells
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5
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What type of dermatitis is Toxicodendron dermatitis?
Contact Dermatitis (allergic contact)
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