Chapter 27 JONES

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Which of the following areas lack blood vessels and nerves?

epidermis

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

vesicle

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

uticaria

What change occurs in the skin with psoriasis?

increase mitosis and shedding of the epithelium

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

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

pemphigus

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

tinea

Which of the following statements apply to impetigo?

the infection is highly contagious

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

mild tingling along the nerve or on the mouth

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

Tinea capitis is an infection involving the

scalp

What condition does the human papiloma virus cause?

plantar warts

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?

fungus

What causes the pruritis assosciated with scabies?

mites burrowing into the epidermis and their feces

How can pediculosis be diagnosed?

the presence of nits at the base of hair shafts

What is the major predisposing factor to squamous cell carcinoma?

exposure to ultraviolet light

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

Which lesion distinguishes Tinia corporis?

erythematous ring of vesicles with a clear center

Systemic effects of acute necrotizing fasciitis include

toxic shock and disorientation

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

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

scabies-fingers, wrists, waist

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