Jesus Christ`
Stretch marks are caused by?
damaged elastin fibers
Which fibers stimulate the arrector pill muscles?
motor nerves
Which of the following stimulates cell turnover?
alpha hydroxy acids
What is the main function of secretory nerve fibers?
Regulate excretion from the sweat glands and control sebum output
The thickest layer of the skin is called the?
dermis
The primary cause of wrinkles is the damage and loss of?
elastin
Differences in genetic skin color are due to the
amount of melanin activated in the skin
Identify the greatest aging affect on skin
UV rays
-are made up of neurons that form a network of pathways for conducting information throughout the body?
Nerves
The two layers of the dermis are the?
papillary and reticular
Subcutis or -tissue, is found below the reticular layer in the dermis?
adipose
Products that suppress melanin production by interrupting biochemical processes are referred to as?
tyrosinase inhibitors
- are known as burning rays because they cause burning of the skin,tanning aging and cancer.
UVB rays
Nerve fiber send messages to the -system and brain to react to heat and cold?
Central nervous
What is the technical term for a nail?
Identify the answer that is not the layer of the epidermis
stratum lucidum
stratum germinativum
stratum granulosum
stratum epithelium
stratum epithelium
Apocrine glands are most active
During emotional changes
Approximately-percent of aging is caused by sun exposure?
80-85
Why are apocrine glands not considered true sweat glands buy some medical authorities?
Their openings connect to oil glands instead of pore openings
How long does it take for a fingernail to fully grow out?
4-6 months
If you have folliculitis you have?
an inflammation of the follicle
What do cells need in order to survive?
Nourishment ability to function protection
As estrogen depletes, skin begins to -
lose its tone
Which system the excretion of sweat?
apocrine ;eccrine