Allergic and Hypersensitivity Dermatoses

Question 1

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

Answer 1

IRRITANT CONTACT DERMATITIS

Question 2

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

Answer 2

ALLERGIC CONTACT DERMATITIS

Question 3

How many allergens have been identified?

Answer 3

OVER 200

Question 4

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

Answer 4

ATOPIC ECZEMA

oozing, crusting, flaking vesicles, seen on faces and elsewhere

Question 5

Name the most common mediator for hives?

Answer 5

HISTAMINE

Question 6

How are hives characterized?

Answer 6

EDEMATOUS PLATES
with
INTENSE ITCHING

Question 7

Systemic drugs cause generalized reactions like __________.

Answer 7

URTICARIA

Question 8

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

Answer 8

PSORIASIS

Question 9

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

Answer 9

CIRCUMSCRIBED, RED THICKENED PLAQUES WITH OVERLYING SILVER SCALE

Question 10

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

Answer 10

LICHEN PLANUS