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skin structure and growth

Total questions: 28

Worksheet time: 15mins

Name
Class
Date
1.

The medical branch of science that deals with the study of skin, structure, functions, diseases and treatment is called:

a)

histology

b)

dermatology

c)

etiology

d)

trichology

2.

The skin varies in thickness and and is found to be thickest on the:

a)

lips

b)

elbows

c)

palms and soles

d)

eyelids

3.

The skin is thinnest on the

a)

lips

b)

elbows

c)

palms and soles

d)

eyelids

4.

The outermost layer of the skin which is commonly called the cuticle is technically called the:

a)

epidermis

b)

dermis

c)

papillary layer

d)

subcutaneous tissue

5.

The layer of the epidermis which contain scale-like cells that are continually shedding

a)

epidermis

b)

stratum corneum

c)

dermis

d)

papillary layer

6.

The clear layer of the epidermis that consists of small transparent cells is called the:

a)

stratum corneum

b)

stratum lucidum

c)

stratum granulosum

d)

stratum germivatum

7.

Part of the motor nerve fiber, what is responsible for our skin getting goose bumps?

a)

sebaceous gland

b)

arrectory pili muscle

c)

sudoriferous gland

d)

excretory follicle

8.

The layer that is composed of several of different shaped cells and contains skin pigment is called

a)

stratum corneum

b)

stratum lucidum

c)

stratum granulosum

d)

stratum basile

9.

The underlying or inner layer of the skin which is also call the corium, cutis, or true skin is the

a)

epidermis

b)

dermis

c)

papillary layer

d)

subcutaneous tissue

10.

The fatty layer found beneath the dermis is called:

a)

subcutaneous

b)

lymphatics

c)

capilllaries

d)

subarterial

11.

The dermis is made up of two layers which are the:

a)

stratum corneum and stratum lucidum

b)

stratum granulosum and epidermis

c)

papillary and reticular

d)

papillary and corium

12.

Nerve fibers that react to heat, cold, touch pressure and pain

a)

motor nerve fibers

b)

sensory nerve fibers

c)

secretory nerve fibers

d)

excretory nerve fibers

13.

Nerve fibers that are distributed to the sweat and oil glands of the skin and regulate the excretion of perspiration and control the flow of sebum to the skin surface are:

a)

motor nerve fibers

b)

sensory nerve fibers

c)

secretory nerve fibers

d)

excretory nerve fibers

14.

Nerve endings are most abundant on the

a)

eyelids

b)

elbows

c)

fingertips

d)

palms and soles

15.

As we age, elastin fibers naturally weaken causing a loss of:

a)

elasticity

b)

porosity

c)

absorption

d)

pigment

16.

The skin contains two types of duct glands that extract oil, sweat and toxins:

a)

sudoriferous glands and sweat glands

b)

sebaceous glands and oil glands

c)

sweat and heat glands

d)

sebaceous and sudoriferous glands

17.

The skin contains two types of duct glands that extract oil, sweat and toxins:

a)

sudoriferous glands and sweat glands

b)

sebaceous glands and oil glands

c)

sweat and heat glands

d)

sebaceous and sudoriferous glands

18.

The skin contains two types of duct glands that extract oil, sweat and toxins:

a)

sudoriferous glands and sweat glands

b)

sebaceous glands and oil glands

c)

sweat and heat glands

d)

sebaceous and sudoriferous glands

19.

The principle functions of the skin are protection, heat regulation, and

a)

secretion, absorption and temperature

b)

secretion, absorption and elasticity

c)

excretion, secretion, and absorption

d)

absorption, secretion and preservation

20.

___________ play an important role in the skin's health often aiding in healing, softening, keeping skin healthy and fighting diseases of the skin.

a)

Oils

b)

Vitamins

c)

Lubricants

d)

Antiseptics

21.

Differences in genetic skin color among people are due to.....

a)

the amount of melanin activated and the way it is distributed in the skin

b)

an overabundance of elastin and collagen

c)

the amount of melanocytes in the epidermis

d)

the dominance of keratin in the skin and nails

22.

What does it mean when an SPF has "broad spectrum" protection?

a)

It protects from UVA and UVB ray

b)

It is suitable for all skin types

c)

Only for people over the age of 40

23.
The surface of healthy skin is slightly?
a)
yellow
b)
alkaline
c)
rough
d)
acidic
24.
Oil glands that are connected to hair follicles are also called?
a)
sudoriferous glands
b)
sebaceous glands
c)
arrector glands
d)
substance glands
25.
The dermis layer is made up of two layers, which are the:
a)
papillary and reticular
b)
papillary and dermal
c)
dermal and tactile
d)
tactile and reticular
26.
What is the name of tube that our hair grows from?
a)
Follicle
b)
Root
c)
Shaft
d)
Sebaceous
27.
What gland is responsible for keeping our hair soft and is a barrier for bacteria and fungi?
a)
Sudoriferous
b)
Sebaceous
c)
Melanin
d)
Carotene
28.

What layer of the skin are oil glands located in?

a)

epidermis

b)

dermis