WorksheetsProperties of Hair and Scalp #1
Total questions: 20
Worksheet time: 10mins
All ___________ processes take place in the cortex.
biological
chemical
physical
mechanical
Name the 3 side bonds.
Hydrogen, disulfide, salt.
Carbon, nitrogen, oxygen.
Phosphate, sulfate, chloride.
Amine, ketone, ester.
A combination of eumelanin and pheomelanin is called.
natural hair color
synthetic hair color
artificial pigment
hair dye
Hair pigment is called __________
keratin
melanin
collagen
elastin
Name the two types of melanin (pigment)
eumelanin, pheomelanin
carotene, xanthophyll
hemoglobin, chlorophyll
melanopsin, rhodopsin
The hair shaft is made up of 3 parts____ ______ _______
cuticle, cortex, medulla
root, bulb, shaft
epidermis, dermis, hypodermis
follicle, shaft, tip
The middle layer is called the ___________
cortex
medulla
epidermis
hypodermis
___________ melanin is responsible for brown and black color
pheomelanin
eumelanin
neuromelanin
tyrosinase
The follicle, bulb, dermal papilla, sebaceous glands and arrector pili muscle are structures of the _____
Hair root
Nail bed
Skin surface
Sweat gland
The salt bonds are broken by ____________
temperature change
pH change
ionic strength
pressure change
When the scales are closed the hair has ______ _______
high porosity
medium porosity
poor porosity
excellent porosity
Proper nutrition of proteins, good blood circulation and good hygiene is required for _________
Skin health
Nail health
Hair health
Bone health
The inner most layer of the hair shaft is the ________
cortex
cuticle
medulla
follicle
The hair shaft is located _______
Below the skin surface
At the base of the follicle
Above the skin surface
Within the dermis
The hair root is located ________
below the skin
above the skin
on the surface of the skin
inside the hair follicle
The cuticle determines the hair's ___________
density
porosity
texture
color
__________ melanin is responsible for yellow and red color
Eumelanin
Pheomelanin
Neuromelanin
Syringomelanin
Hydrogen bonds are broken by _______ and __________
heat and water
cold and ice
pressure and salt
light and air
Protein Keratin and melanin pigment is found in the ______
cortex
medulla
cuticle
epidermis
The outer most layer of the hair shaft is the ______
cortex
medulla
cuticle
follicle
