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All of the following statements apply to malignant melanoma EXCEPT

they present as non-pruritic purplish macules

The best description of the typical lesion of impetigo

small vesicles that rupture to produce a crusty brown pruritic mass

The cause of contact dermatitis can often be identified by

noting the location and size of the lesion

Choose the correct match of the skin condition and its usual location

scabies-fingers, wrists, waist

Herpes virus is usually spread by all of the following EXCEPT

contaminated blood

How are antiviral drugs effective in treating infection?

limiting the acute stage and viral shedding

How can pediculosis be diagnosed?

the presence of nits at the base of hair shafts

The pathologic change associated with scleroderma is

collagen deposits in the small blood vessels of the skin and sometimes the viscera

Systemic effects of acute necrotizing fasciitis include

toxic shock and disorientation

Tinea capitis is an infection involving the


What causes the pruritis assosciated with scabies?

mites burrowing into the epidermis and their feces

What change occurs in the skin with psoriasis?

increase mitosis and shedding of the epithelium

What condition does the human papiloma virus cause?

plantar warts

What is a raised, thin-walled lesion containing clear fluid called?


What is the common signal that a recurence of herpes simplex infection is developing?

mild tingling along the nerve or on the mouth

What is the major predisposing factor to squamous cell carcinoma?

exposure to ultraviolet light

Which disease is manifested by large vesicles that coalesce and rupture?


Which lesion distinguishes Tinia corporis?

erythematous ring of vesicles with a clear center

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

Which of the following areas lack blood vessels and nerves?


Which of the following best describes the typical lesion of psoriasis?

silvery plaques on an erythematous base

Which of the following is a common effect of type I hypersensitivity response to ingested substances?


Which of the following skin conditions are usually caused by Staphylococcus aureus?


Which of the following statements apply to impetigo?

the infection is highly contagious

Which of the following statements regarding acute necrotizing fasciitis is TRUE?

infection rapidly causes extensive tissue necrosis and toxic shock

Which type of microbe causes Tinea infections?


Why do secondary infections frequently develop in pruritic lesions?

entry of resident flora while scratching the lesion

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