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Dunphy Chapter 7 Skin Problems Questions with 100% Correct Answers Latest 2024 Version
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Dunphy Chapter 7 Skin Problems Questions with 100% Correct Answers Latest 2024 Version
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Dunphy Chapter 7 Skin Problems Questions with100% Correct Answers Latest 2024 Version
What is scabies? - ✔✔Arthropod infestation that leads to pruritis and increases in intensity if
allergy develops. Pts present w/ intense pruritis, especially at night and after hot showers
Where do scabies rashes usually appear? - ✔✔Axilla
Under the breasts
Waistline
Penis
Between the fingers and toes
Usually present in a zig-zag pattern as the females lay their eggs
What is the treatment for scabies? - ✔✔Permethrin Cream 5% - safe for children 2 months and older -
may need to treat head and neck. - apply to all areas of the body and leave on for 8 - 12 hours - Reapply
in 7 days and may be repeated at 14 days.
Lindane 19% Cream - Potential CNS toxicity. DO NOT use on pregnant or lactating women or those
with a hx of seizure activity. Apply to all areas of the body and wash off after 8 hours.
Crotamiton 10% Cream - Failure rates of 50% / apply to all areas of the body for 2 consecutive nights
Sulfur Ointment 8 - 10 % - Safe for pregnant and lactating women and young children. Malodorous and
stains clothes - Apply to all parts of the body from neck down for 3 successive days.
,What is the parental treatment of scabies? - ✔✔Ivermectin - 200 mcg/kg by mouth - single dose -
repeated in 1 - 2 weeks.
Antihistimines - to help patient sleep and with itching (Hydroxyzine or Benadryl)
Topical Corticosterioids
Systemic Corticosteriods
What is Xerosis? - ✔✔Dry skin
Symptomatic treatment of dry skin includes: - ✔✔Avoid strong soaps
Avoid hot showers
Use mild soaps such as:
Dove
Basis
Neutrogena
Apply an emollient after showering to the skin such as:
Eucerin
Lubriderm
Alpha Keri
What is an emollient? - ✔✔Is an ointment that is oil based
What is a cream? - ✔✔Is an ointment that is water based
What is a lotion? - ✔✔Is an ointment that is powder in water
What is a gel? - ✔✔Is an ointment that is alcohol based (do not use on dry skin)
, What are the primary skin lesions which are less than 1 cm in diameter? - ✔✔Macules
Papules
Nodules
What is a macule? - ✔✔A macule is a flat, distinct, colored area of skin that is less than 1 centimeter
in diameter and does not include a change in skin texture or thickness
- Example: Freckles
What is a papule? - ✔✔A elevated and palpable lesion on top of the skin. Their color may range from
pale, to yellow, red, brown, or black.
- Example: Nevi, prickly heat, psoriasis, xanthomatosis, eczema and skin cancers.
What is a nodule? - ✔✔Elevated and palpable lesions that are deeper than papules and feel harder
- Example: Acne nodule
What are the primary skin lesions which are greater than 1 cm in diameter? - ✔✔Patches
Plaques
Tumor
Wheal
What is a patch? - ✔✔Nonpalpable, caused by changes in skin pigmentation on a larger scale than
a macule
- Example: Cafe-au-lait stain
What is a plaque? - ✔✔A superficial lesion - flat-topped, firm and elevated, palpable with a firm
to rough surface
- Example: psoriasis
What is a tumor? - ✔✔An elevated mass witha hard texture; shape and borders can be regular
or irregular. Can be benign or cancerous.
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