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Skin anatomy

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
The largest organ of the human body is the:
a)
liver
b)
skin
c)
lungs
d)
heart
2.
The outermost and thinnest layer of the skin is the:
a)
surface
b)
epidermis
c)
subcutaneous
d)
dermis
3.
The underlying or inner layer of the skin, which is also called the derma corium, cutis, or true skin, is the: 
a)
dermis
b)
papillary
c)
dermal
d)
epidermis
4.
The dermis is ___________ than the epidermis.
a)
thinner
b)
stickier
c)
slimier
d)
thicker
5.
Why do you turn red when you are hot?
a)
The blood vessels in your skin constrict, reducing blood flow to cool the body
b)
The blood vessels constrict to increase blood flow to cool the body
c)
The blood vessels dilate to increase blood flow to the skin
d)
The blood vessels dilate to decrease blood flow to the skin
6.
What is the outermost layer of the skin?
a)
Epidermis
b)
Dermis
c)
Subcutaneous
d)
fatty layer
7.
What gives your skin color
a)
Epidermis
b)
follicles
c)
dermis
d)
melanin
8.
What is the purpose of the sebaceous glands?
a)
Secretes oily and waxy matter
b)
Cleans your skin.
c)
Prevents Cancer
d)
Protects from the Sun
9.
Melanin:
a)
Helps protect skin from UV radiation
b)
Is found in almost every human being
c)
Is responsible for skin color
d)
All of the above
10.
how long does a skin cell live?
a)
2 to 3 weeks
b)
1 year
c)
4 days 
d)
11 days
11.

What is the tough protein found in epidermal cells that makes skin waterproof?

a)

hemoglobin

b)

keratin

c)

melanin

d)

melatonin

12.

Which of the following is NOT a function of skin

a)

temperature regulation

b)

physical barrier to bacteria and viruses

c)

excretion of waste

d)

calcium production

13.

What is Botox?

a)

a chemical produced by keratinocytes

b)

a thin layer of tissue between the dermis and hypodermis

c)

adipose tissue in the face

d)

a wrinkle treatment that uses a toxin produced by bacteria

14.

Why do some people have darker skin?

a)

more melanocytes

b)

more keratinocytes

c)

their melanocytes produce more melanin

d)

their keratinocytes produce more keratin

15.

Tissue that makes up the epidermis

a)

Areolar connective

b)

Stratified squamous epithelium

c)

simple squamous epithelium

d)

adipose

16.

What layer of epidermis is closest to the dermis

a)

Stratum corneum

b)

Stratum basale

c)

Stratum lucidum

d)

stratum granulosum

17.

layer of skin with nerve endings

a)

hypodermis

b)

dermis

c)

condradermis

d)

epidermis

18.

Which layer is ink injected in a permanent tattoo?

a)

epidermis

b)

dermis

c)

hypodermis

d)

subcutaneous layer

19.
Nails are made out of what?
a)
All of the Above 
b)
Terminal 
c)
 Vellus 
d)
Keratin 
20.
The structure that holds the root of the hair firmly in place.
a)
Hair follicle
b)
Hair shaft
c)
Hypodermis
d)
Sweat pore

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