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Which of the following is a common effect of type I hypersensitivity response to ingested substances?
Which of the following best describes the typical lesion of psoriasis?
silvery plaques on an erythematous base
Why do secondary infections frequently develop in pruritic lesions?
entry of resident flora while scratching the lesion
What is the common signal that a recurence of herpes simplex infection is developing?
mild tingling along the nerve or on the mouth
How are antiviral drugs effective in treating infection?
limiting the acute stage and viral shedding
Which of the following statements regarding acute necrotizing fasciitis is TRUE?
infection rapidly causes extensive tissue necrosis and toxic shock
What causes the pruritis assosciated with scabies?
mites burrowing into the epidermis and their feces
All of the following statements apply to malignant melanoma EXCEPT
they present as non-pruritic purplish macules
Which of the folliwng factors have contributed to the increased incidence of Kaposi's sarcoma?
increased immunosuppressed individuals
Which of the following applies to actinic keratosis?
They arise on skin exposed to ultraviolet radiation
The cause of contact dermatitis can often be identified by
noting the location and size of the lesion
The pathologic change associated with scleroderma is
collagen deposits in the small blood vessels of the skin and sometimes the viscera
The best description of the typical lesion of impetigo
small vesicles that rupture to produce a crusty brown pruritic mass
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