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Dermatology/final
Dermatology
77
Nursing
Undergraduate 1
04/28/2014

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Cards

Term
Epidermis is replaced how often?
Definition
every 28 - 30 days
Term
Keratinocytes
Definition
Protective Epidermis barrier, 95% move to surface flatten and die
Term
Melanocytes
Definition
part of Epidermis, 5% pigment of skin color.
Term
Paronchia
Definition
Inflammation of the nail bed
Term
Endogenous
Definition
synthesis of Vit D done by activation of UV light
Term
Dermis
Definition
Highly vascular and assist in the regulation of body temperature and blood pressure.
Term
What layer of skin creates the basis of fingerprints?
Definition
Dermis
Term
Collagen
Definition
forms the basis of skin strength and wound healing and it a part of the dermis
Term
Hair follicles
Definition
are deep within the dermis.
Term
At what rate does hair follicles grow?
Definition
1cm/month, is not affected by cutting
Term
About how many hair follicles fall out per day?
Definition
100
Term
Subcutaneous tissue
Definition
Loose connective tissue and fat cells. Provides insulation.
Term
What are the types of glands in the skin?
Definition
Sebaceous, Apocrine, Eccrine
Term
Sebaceous Gland
Definition
oil/lipid secretions (Sebum)emptied into hair and skin.
Term
Apocrine Gland
Definition
Sweat milky secretions creating odor as they break down. Located in the axillae, breast areolae, umbilical and anogenital areas, external auditory canals, and eyelids.
Term
Eccrine Gland
Definition
Sweat thin watery salt, ammonia, urea, and other wastes. Widely distributed over the body.
Term
How many mL of water perspiration do we sweat out daily?
Definition
600 - 900 mL/D
Term
What prevents skin and hair from being dry?
Definition
Sebum, secreted by the sebaceous gland.
Term
Where do Actinic keratosis usually appear and on what skin type?
Definition
appear on areas of chronic sun exposure, especially in person who has fair complexion and light eyes.
Term
Actinic keratosis
Definition
Premalignant cutaneous lesions that place an individual at increased risk for squamous cell and basal cell carcinomas.
Term
5 flurouracil
Definition
Chemotherapy topical chemotherapy skin cream used to treat actinic keratosis. It interferes with cells making DNA and RNA which stops the growth of the cancer.
Term
What is the affect of an area of Actinic Keratosis that is being treated with 5 flurouracil?
Definition
The eroded areas will be painful and take a few weeks to heal. The area ill look red and raw after treatment.
Term
Retin-A Creams
Definition
Is a chemical peel that can be used in addition to 5 flurouracil to treat Actinic keratosis
Term
Basal cell carcinomas
Definition
Epidermal, slow growing, can be invasive malignancy.
Term
What does a basal cell carcinoma look like?
Definition
Pearly papule with slight erythema, depression in center.
Term
What is the most common type of skin cancer and is related to the sun?
Definition
Basal Cell carcinoma
Term
What is the cure rate of basal cell carcinoma?
Definition
90%
Term
What are the treatments for basal cell carcinoma?
Definition
chemo-creams, radiation, cryosurgery, ect...
Term
Squamous cell carcinoma
Definition
Cancerous epidermal cells related to sun and smoking. Has Aggressive metastasis
Term
Where are Squamous cell carcinomas usually found on the skin?
Definition
lips and fingers where a cigarette is being held.
Term
What does squamous cell carcinoma look like?
Definition
scaling in early stages, then firm nodules with indistinct borders, and the final stage is lesions.
Term
Malignant melanoma
Definition
From epidermal melanin cells. This is the MOST DEADLY metastasis!
Term
Who is most-likely to get Malignant melanoma?
Definition
White people with light skin and eyes, blond or red hair, who freckle easy because their skin has less melanin and not enough for UV rays. Also, genetics- persons with a first degree relative with a history.
Term
This has a 100% cure if in situe, surgery with chemo if spread
Definition
Malignant melanoma
Term
Impetigo
Definition
A highly contagious, group a beta hemolytic strep or staph.
Term
What is Impetigo associated with?
Definition
An unclean area such as skin folds, groin, and abdomen.
Term
What are the S&S of Impetigo?
Definition
Contagious pustules and vesicles of various sizes, with crusts surrounded by erythema.
Term
What are treatments for Impetigo?
Definition
Systemic antibiotic creams and soaks.
Term
Cellulitis
Definition
Infection of dermal layer by staph aureus or streptcocci staph aureus or streptococci
Term
What is the treatment for cellulitis?
Definition
Antibiotics to prevent sloughing or gangrene.
Term
Erysipelas
Definition
The milder form of Cellulitis that is contained in the epidermal layer involving beta-hemolytic strep?
Term
Herpes zoster
Definition
caused by varicella zoster (shingles),causes neurolgic (burning) pain along nerve lines, contagious for those who have not had chicken pox. immunosuppression can cause a reoccurrence. Has a linear dermatome.
Term
What is given to adults >50 years old to prevent an outbreak of shingles (Herpes zoster)?
Definition
Vaccine (Zostavax)
Term
What is given to prevent postherpitic neuralgia in a patient who has shingles?
Definition
Anti-virals (acyclovirand)
Term
What is given to prevent to treat postherpitic neuralgia in patients who have shingles?
Definition
Gabapentin (Neurontin)
Term
What is given to treat the ruptured vesicles of shingles?
Definition
Wet compresses, silver sulfadiazine (Silvadene).
Term
How often can a person get shingles?
Definition
It can be reoccurring
Term
Scabies
Definition
Burrowing (mite insect) depositing of saroptes scabei (eggs). Is contagious by touching affected item and physical contact (rarely seen in dark skinned people).
Term
What are the S&S of scabies?
Definition
severe itching and redness as a result
Term
How is scabies treated?
Definition
5% permethrin applied overnight and then again in one week. May need antibiotic if secondary infection is caused.
Term
Contact dermatitis
Definition
allergic reaction (exp.: latex)
Term
What are the S&S of contact dermatitis?
Definition
Itching hives papules vesicles and plaques
Term
What is the treatment for contact dermatitis?
Definition
steroids antihistamines and eliminate contact
Term
Lime disease
Definition
Spirochet delivered by a vecto (ticks).
Term
What are the S&S of Lime Disease?
Definition
Spreading ringlike rash 3-4 weeks (target that manifest with the center clear), in a week-month...fever, chills, stiff neck (flu-like symptoms), palpable lymph nodes.
Term
What are the possible long-term affects of contracting lime disease?
Definition
Cardiac, arthritis, neurologic manifestations.
Term
What is the treatment of Lime disease?
Definition
Antibiotics (Doxycycline, tetracycline), rest and healthy diet.
Term
Furuncles/Boils
Definition
Infected hair follicles with staph aureus infection. They are tender and pus filled
Term
What is the treatment of Furuncles/boils?
Definition
Incision drainage, antibiotics and warm packs.
Term
Psoriasis
Definition
Autoimmune dermatitis that involves rapid turnover of epidermal cells that usually starts before the age of 40. Genetic predisposition.
Term
What are the S&S of Psoriasis?
Definition
Scaling of elbows, knees, scalp, palms, soles, and creases (skin folds).
Term
what is the treatment for Psoriasis?
Definition
NO CURE! Topical steroids, sun exposure,
Term
Frostbite
Definition
Ice crystals in tissues that result in peripheral vasoconstriction venous stasis. The superficial skin mottled.
Term
What is the treatment for frostbite?
Definition
Immerse affected area in warm water with a temp of 102-108, re-warming is painful, blisters will appear to full derma and nerve damage may remain. Amputation may be needed. (DO NOT SQUEEAE OR MASSAGE)
Term
Poison ivy, oak, sumac
Definition
An allergic reaction to plant oils that produces a itchy rash and forms blisters.
Term
After being exposed to poison ivy, oak, sumac, when does the rash appear?
Definition
several hours, three days after contact
Term
What causes the rash of Poison ivy, oak and sumac to spread?
Definition
Its not the fluid filled blisters, its the oil remaining on the skin that causes the rash to spread to other parts of the body.
Term
How to prevent a rash from Poison ivy, oak, and sumac from spreading on the body or to another person?
Definition
Wash the body good with soap and water and wash clothes.
Term
How to identify poison ivy?
Definition
grows as a three-leafed green weed with a red stem at the center.
Term
How to identify poison oak and poison sumacc?
Definition
grows as a shrub can have 7-13 leaves
Term
How to treat a person who has been in contact with poison ivy, oak, or sumac?
Definition
Wash skin exposed with soap and water for at least 10minutes, apply calamine lotion to affect areas, antihistamines, 1-2% hydrocortisone.
Term
Acne Vulgaris
Definition
inflammation of sebaceous glands
Term
What are the s&s of acne vulgaris?
Definition
Inflammatory papules pustules
Term
What is the treatment for acne vulgaris?
Definition
physical extraction, antibacterials, peeling agents, phototherapy, Accutane (not if pregnant), and retin-A (chemical peels)
Term
Superficial partial thickness burns
Definition
Caused by a transfer of a heat source to the body (usually sunburn)affecting the Epidermis and upper portion of dermis.
Term
What is the s&s of superficial partial thickness burns?
Definition
skin is red, dried, and my blister
Term
What is the treatment for a superficial partial thickness burn?
Definition
cool water, cool soaks for a few minutes, cover with a nonstick sterile dressing to relieve nerve pain. Take aspirin and cover with aloe cream.
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