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WOCN MASD And Skin Overview: Questions & Answers
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WOCN MASD And Skin Overview: Questions & Answers
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WOCN MASD And Skin Overview: Questions & Answers3 layers of the skin Right Ans - epidermis, dermis, hypodermis
healthy skin Right Ans - dry supple and acidic
5 layers of epidermis Right Ans - stratum corneum, stratum lucidum,
stratum granulosum, stratum spinosum, stratum basale
stratum basale Right Ans - The innermost layer of the epidermis, where
new skin cells are germinated
Stratum Spinosum (Prickly Layer) Right Ans - contains desmosones cell to
cell adhesion
stratum granulosum Right Ans - granules present in kertinocytes
stratum lucidum Right Ans - only on feet and palms of hands
stratum cornuem Right Ans - keratin-tough fibrous, insoluble protein
cells of the epidermis Right Ans - kertinocytes, melanocytes, lagerhans
calls, merkel cells (produce nerve growth factor & distrubted in the rete
ridges among basal kertinocytes)
Basal Cell Layer or Basement zone layer (BMZ) Right Ans - may be
damaged by shear, blister formation, and burns that result in the epidermis
detaching from the dermis
rete ridges Right Ans - anchors the epidermis to the dermis with dermal
papillae in the dermis
epidermis acidic barrier Right Ans - fluctuating between ph 4.5-6.5.
protects against bacteria and environmental pollutants, regulates skins oil and
transepidermal water loss (TEWL).
Increased PH Right Ans - corresponds with increased TEWL. highest PH is
observed in most hydrated areas such as skin folds.
, transepidermal water loss (TEWL) Right Ans - quantity of water that
passes through the eipdermis to the surrounding atmosphere via diffusion or
evaporation.
increased TEWL Right Ans - occurs in damaged skin and excess water loss
in the skin
the dermis Right Ans - provides strength elasticity and nourishment to the
epidermis. vascularized.
collagen Right Ans - dermal protein. gives tensile strength type 1and type 3
collagen. basket weave formation
elastin Right Ans - distributed with collagen but less abundant. coil shape
to provide stretch and return to original shape. is not replaced.
prominent cell Right Ans - fibroblast, produces collagen and ground
substance becomes a contractile cell during wound contraction
ground substance Right Ans - other proteins found in the space between
collagen and elastin fibers
immune surveillance in dermis Right Ans - mast cells, macrophages, and
lymphocytes
3 epidermal appendages Right Ans - pilosebaceous unit, sweat glans, nails
functions of the skin Right Ans - Protective cover against mechanical injury,
infection, reduces harmful effects of UV radiation, prevents excessive fluids
and electrolytes losses, thermoregulation, Vitamin D synthesis, sense of touch,
body image
hypodermis Right Ans - cushions insulates and adds to mobility of the skin
over underlying structures. cannot regenerate
muscle layer Right Ans - is the most vulnerable to pressure over a bony
prominence. most deep pressure injury/ulcer begin at the muscle interface.
healing results in scar formation
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