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physiology of the skin
physiology of skin
60
Other
Not Applicable
12/13/2009

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Cards

Term

Appendages include

 

a. hair

b. nails

c. sweat and oil glands

d. all answers

Definition
D
Term

Your skin contains what fraction of your body's primary immune cells?

 

 

Definition
one-quater
Term

What does the skin protect against?

 

Definition
outside elements and microorganisms
Term
The barrier function of the skin includes
Definition
acid mantle
Term
What is the average PH of the acid mantle?
Definition
4.5-5.5
Term
What does TEWL stand for?
Definition
transepidermal water loss
Term
The intercellular cement between epidermal cells is made up of...
Definition
lipids
Term
What are the 4 layers of the skin
Definition

1. epidermis

2. dermis

3. reticular layer of the dermis

4. subcutaneous tissue

Term

The immune cells that protect us from infection are the...

a. melanocytes

b. neurons

c. Langerhans cells

d. T cells

Definition
d. T-cells
Term
Sensory nerve fibers are most abundant in the..
Definition
fingertips
Term
body temp average
Definition
98.6
Term
which glands excrete perspiration and detoxify the body
Definition
sudoriferous
Term
What do the sebaceous glands do?
Definition

1. soften the skin

2. secrete sebum

3. protect the skin from outside elements

Term
Absorption occurs through which part of the skin
Definition
cells, follicles, pores
Term

Estheticians are licensed to work on 

a. epidermis and dermis

b. dermis only

c. epidermis only

d. neither the dermis or epidermis

 

Definition
c. the epidermis only
Term

95% of the epidermis is made up of 

 

a. papillary layer

b. reticular layer

c. melanocytes

d. Keratinocytes

Definition
D. Keratinocytes
Term
What is the translucent layer that allows sunlight to pass through the skin?
Definition
Stratum lucidem
Term
what is the average cell turnover rate for the skin cells of the epidermis?
Definition
28 days
Term
desquamation is...
Definition
Shedding of skin cells in the outermost layers of the stratum corneum
Term
what shape are squamous cells are
Definition
flat cells
Term
What layer is located just below the stratum corneum and in what larger layer is the stratum corneum located
Definition

1. stratum lucidem

2. epidermis

Term
where is skin the thickest on the body
Definition
palm of the hands
Term
where is Keratin and intercellular lipids formed
Definition
stratum granulosum
Term
which layer of the skin produces melanin?
Definition
stratum germinativum
Term
mitosis occurs in which layer of the skin?
Definition
stratum germinativum
Term
which cells in the basal layer produce pigment granules
Definition
melanocytes
Term
the thickest layer of the skin
Definition
the dermis
Term
what are the 2 layers of the dermis
Definition
papillary and reticular
Term
what cells aid in the production of collagen and elastin
Definition
fibroblasts
Term
the junction of the dermis and the epidermis
Definition
papillary
Term
what cause stretch marks
Definition
damage to the elastin fibers
Term
what are the primary causes of wrinkels
Definition
damage and loss of elastin
Term
subcutis or ____ tissue is found just below the reticular layer
Definition
adipose
Term
what is folliculitis
Definition
an ingrown hair
Term
how are the arrector pili muscles stimulated
Definition
by motor nerve fibers
Term
differences to genetic skin color are due to...
Definition
the amount of melanin activated in the skin
Term
products that suppress melanin production by means of interrupting the biochemical processes
Definition
eumelanins
Term
apocrine glands are most active during 
Definition
emotional changes
Term
what do cells need
Definition
nourishment, to proliferate, protection
Term
what is an indication of free radical damage
Definition
red inflamed skin
Term
what are the burning rays
Definition
UVB
Term
as estrogen depletes skin begins to lose its 
Definition
tone
Term
what are the causes of couperose veins caused by
Definition

1. alimentary problems

2. harsh cosmetics

3. heat and cold fluctuations

Term
What is the chief motor nerve of the face
Definition
seventh
Term
In what phase of metabolism are complex compounds within the cell broken down into smaller ones?
Definition
catabolism
Term
Which of these is NOT a branch of the superficial temporal artery?
Definition
external carotid artery
Term
Which muscle is responsible for shrugging the shoulders?
Definition
trapezius
Term
The sternocleidomastoideus is the muscle that:
Definition
rotates the head
Term
Which muscle is responsible for bending the wrist?
Definition
extensor
Term
Which type of blood vessel contains valves that prevent backflow?
Definition
veins
Term
he buccinator is the muscle associated with:
Definition
blowing a whistle
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