Allergic and Hypersensitivity Dermatoses Flashcards Preview

SCT2 Systems Skin > Allergic and Hypersensitivity Dermatoses > Flashcards

Flashcards in Allergic and Hypersensitivity Dermatoses Deck (10)
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1

Which type of dermatitis is caused by chemicals or environmental substances that come in contact with the skin, or by rubbing?

IRRITANT CONTACT DERMATITIS

2

Which type of dermatitis is a cell mediated, type IV hypersensitivity due to sensitization to an allergen?

ALLERGIC CONTACT DERMATITIS

3

How many allergens have been identified?

OVER 200

4

Name the type 1 hypersensitivity reaction often seen in those with a family history of asthma, hay fever, and atopic dermatitis?

ATOPIC ECZEMA
(oozing, crusting, flaking vesicles, seen on faces and elsewhere)

5

Name the most common mediator for hives?

HISTAMINE

6

How are hives characterized?

EDEMATOUS PLATES
with
INTENSE ITCHING

7

Systemic drugs cause generalized reactions like __________.

URTICARIA

8

Name the chronic inflammatory skin disorder resulting from abnormal activation of T cells?

PSORIASIS

9

How do you know if you see psoriasis, which you should not treat during a flare up or if topical steroids recently used?

CIRCUMSCRIBED, RED THICKENED PLAQUES WITH OVERLYING SILVER SCALE

10

What disorder happens as a result of an abnormal immune response linked to Hep C infection?

LICHEN PLANUS