Week 5 - Wound care- skin basics

Question 1

what are the features of the epidermis

Answer 1

barrier to environmnet
average thickness 0.1mm
has ceratin, lutocytes and pigmentation
external layer replaced ever 3-4 weeks
involved in acid producation

Question 2

what are the features of the dermis?

Answer 2

largest portion of the skin
function- tensile strenght, mecahnical support, portenction, regulated tempreture and sense the environment
made up of blood and lymph vessles, nerves, sweat and subctanous glands
mainly made up of collogen and elasting- extracellular matrix

Question 3

what are the features of the subcutaneous layer?

Answer 3

fat and adipose layer
inemerost layer of skin
composed of fat, blood vessles and connective tidssue

Question 4

what are the 6 primary functions of the skin?

Answer 4

upports inderlying body structures
temp regulation
sensory organ
eleminates waste
protective barrier
sysntehsis of vitamin D

Question 5

what are the effects of aging of the skin?

Answer 5

20% decrease in dermal thickness leads to thinner skin
epidermal become flattered increasing susceptability to friction and shearing
loss of penetrability to substances in environment 0 irratents more readily absorbed
eleastin fiber loss

Question 6

what are the three rules to keeping skin healthy?

Answer 6

keep skin clean
hydrate the skin
closley monitor the skin

Question 7

what local and systemic factors may impact on skin healing?

Answer 7

local- ischemia, infelction, forgin body, odeama, elevated tissue pressure

systemic- age, stress, ischeamia, co-morbidities, obesity, medication, alcohol and smoking, immunocompromised, nurtition, dryness, hydration