Integumentary System Gas #21 Flashcards
Keratin
In epidermis layer, forms outer barrier of the skin and can repel pathogens and prevent excessive fluid loss from the body
Layers of the dermis
Papillary & reticular
Dermis:papillary function
Produces collagen, contains capillaries and receptors for pain and touch
Dermis:reticular function
Blood vessels, sweat, collagen fibers
Subcutaneous layer function
Contains adipose tissue which permits skin mobility, molds body contours, insulates the body
Eccrine &apocrine glands
Produce sweat
Ceruminous glands
Secrete yellow brown waxy cerumen (ear wax)
Epidermis function
Protects tissues, prevents water loss, water repellant layer, contains keratin
Difference between pruritis, xerosis, psoriasis
Pruritis-itching, xerosis-dry skin, psoriasis-build up of keratin
Where is xerosis usually found
Older adult due to decreased skin lubrication and moisture
Pruitis/causes
Unpleasant sensation of skin itching, prickly, burning; animals plants fabrics meds can cause this
Pruritis treatments
Avoid hot water, use mild soap and warm water, cool compresses, avoid alcohol, use humidifiers, apply bland emollients daily
Pruritis treatment medications
Creams-nutraderm, ointments-Vaseline, lotions-calamine, antibiotics-bacitracin, corticosteroids, antihistamines-Benadryl
Psoriasis
Chronic noninfectious, inflammatory disease, increased epidermal cells (overproduction of keratin), raised red round plaques covered c thick silvery scales
Causes of psoriasis
Stress anxiety trauma can aggravate it, unknown cause
Psoriasis treatment
Topical, systemic, photo chemotherapy
Psoriasis topical treatment/made out of
Tar products, tazarotene is made from vit A, TIM’s, corticosteroids & you wrap with plastic film after it is applied
Psoriasis systemic therapy
Methotrexate, cyclosporine
Psoriasis photochemotherapy /risks
PUVA, pt takes a photo sensitivity med exposing themselves to a long wave of ultraviolet light, risks: skin ca, cataracts, premature skin aging
MRSA s/s
Small red bumps, boils or “spider bites”, they become deep painful abscesses
MRSA causes
Unnecessary antibiotic use, antibiotics in food & water, germ mutation
MRSA risk factors
Current or recent hospitalization, long term care, invasive devices, recent antibiotic use (cipro, cephalosporin)