sterilization + sanitation review !

what is infection ?

invasion of body tissues by disease-causing pathogens ( bacteria )

what causes infection ?

disease causing microorganisms producing poisonous toxins in the body

what are the signs of infection ?

heat , aches , pus and swelling

what methods are used to fight contamination ?

decontamination methods 1 & 2

pathogens

harmful bacteria

non - pathogens

harm - free bacteria

what are blood borne pathogens ?

pathogens found in your blood

what is the difference between porous and non porous items ?

porous items can be washed and cleaned with antiseptics , non porous items can only be disinfected

what are the three stages of hair growth ?

anagen ( active period ) , catagen ( breakdown / inactive period ) , telogen ( resting period )

alopecia

hair loss in abnormal amounts

alopecia areata

patches of hair loss

alopecia totalis

balding of entire head

alopecia universalis

balding of entire body

androgenic alopecia

masc or fem pattern baldness

fallen hair

natural shedding

fragilitas crinium

brittle hair

monilethrix

beaded hair

pityriasis

commonly known as dandruff

pityriasis steatoides

aka seborrheic dermatitis , a severe case of dandruff

post partum alopecia

temporary hair loss after pregnancy

telogen effluvium

hair is prematurely pushed into the telogen stage

traction alopecia

hair loss due to excessive pulling stretching of hair

trichopitlosis

split ends

trichorrhexis nodosa

knotted hair

what is terminal hair ?

pigmented hair on scalp , arms , legs and in nose and ears

what is trichology ?

study of hair , disorders , diseases and hair care

what is lanugo hair ?

soft , white , downy hair commonly found in newborns

what is keratinization ?

the process of newly formed cells in the hair bulb maturing

how many stages of growth does hair go though ?

three

what is keratin ?

strong , fibrous protein that make up hair and nails

what is a surfactant ?

a surface active / wetting agent that can dissolve in water & remove dirt from surfaces , often found in shampoos .

what is a humectant ?

an agent that has physical properties of absorbing water and retaining moisture , often found in moisturizing conditioners .

what makes up a hair shaft ?

the cuticle ( outer layer ) , the cortex ( second layer ) , and the medulla ( inner layer )