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
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?
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