Skin Theory

Question 1

The six basic functions of the skin include sensation, heat regulation, absorption, protection, excretion and:

a. digestion
b. secretion
c. circulation
d. reproduction

pp. 122-129

Answer 1

secretion

p. 122-129

Question 2

What layer of the skin does not contain any blood vessels?

a. cutis
b. dermis
c. epidermis
d. subcutaneous

pp. 123-129

Answer 2

epidermis

There are no blood vessels in the epidermis…

p. 124

Question 3

Where does mitosis, or cell division of the skin take place?

a. stratum basale
b. stratum lucidum
c. stratum corneum
d. stratum granulosum

pp. 123-129

Answer 3

stratum basale

Skin cell growth occurs here through mitosis, or cell division…

p. 126

Question 4

Which layer of the epidermis is located on the palms of the hands and soles of the feet?

a. stratum basale
b. stratum lucidum
c. stratum spinosum
d. stratum granulosum

pp. 123-129

Answer 4

stratum lucidum

… is located on the palms of the hands and the soles of the feet…

p. 125

Question 5

Which of the following items gives color to the skin?

a. keratin
b. melanin
c. elastin fiber
d. collagen protein

pp. 123-129

Answer 5

melanin

p. 126

Question 6

Which layer of the skin contains collagen protein and elastin fibers which lend support to the epidermis and give the skin its elastic quality?

a. dermis
b. basale
c. epidermis
d. subcutaneous

pp. 123-129

Answer 6

dermis

p. 127

Question 7

Sweat is excreted by what gland?

a. oil
b. sebum
c. sebaceous
d. sudoriferous

pp. 123-129

Answer 7

sudoriferous

p. 127-8

Question 8

A mixture of sweat and sebum on the surface of the skin is referred to as:

a. elastin
b. protein
c. the acid mantle
d. collagen protein

pp. 123-129

Answer 8

the acid mantle

A mixture of sweat and oil (acid mantle)…

pp. 124, 128-9

Question 9

Which layer of skin is located below the dermis and composed of adipose (fatty) and loose connective tissue?

a. basale
b. corium
c. epidermis
d. subcutaneous

pp. 123-129

Answer 9

subcutaneous

It is composed of adipose (fatty) and loose connective tissue.

pp. 123, 129

Question 10

All of the following statements identify ways to protect the skin from the sun’s harmful effects EXCEPT:

a. apply sunscreen every 6 hours
b. wear protective clothing when in sun
c. reapply sunscreen every 2 hours or as necessary
d. stay out of sun during hours of 10 a.m. to 4 p.m.

p. 130

Answer 10

apply sunscreen every 6 hours

Reapply every 2 hours or as necessary according to sun exposure.

p. 130

Question 11

What is the term for:

• Protein that is the primary component of skin cells
• A hard version of this substance (blank) makes up nails and hair, while soft keratin makes up the skin

Answer 11

Keratin

Question 12

What is the term for:

Chemical process by which cells change their shape, push older cells toward the surface; cells become flat, hard and eventually die, forming a dead layer of protein cells at the skin’s surface

Answer 12

Keratinization

Question 13

What is the term for:

Harmful foreign substances

Answer 13

Antigens

Question 14

What is the term for:

• Layer of skin immediately underlying the epidermis
• Also known as dermal layer, derma, corium, cutis or true skin; made up of the reticular and papillary layers

Answer 14

Dermis

Question 15

What is the term for:

• A complex secretion containing a high percentage of fatty, oily substances
• Mixes with the secretion of the sweat glands and spreads over the surface of the skin

Answer 15

Sebum

Question 16

What is the term for:

• Controlled by the nervous system of the body
• Each gland consists of a coiled base and tube-like duct opening on the surface of the skin to form sweat pore
• Control and regulate body temperatures
• Excrete waste products
• Help to maintain the acidic pH factor of the skin

Answer 16

Sudoriferous Glands

Question 17

What is the term for:

Skin care product that protects the skin from UV rays or sun exposure

Answer 17

Sunscreen

Question 18

What is the term for:

• Outermost protective layer of the skin
• Composed of five layers of cells
• Also known as cuticle or epidermal layer

Answer 18

Epidermis

Question 19

What is the term for:

Cells that produce melanin, which are contained in melanosomes

Answer 19

Melanocytes

Question 20

What is the term for:

• Oil glands that produce sebum; partially controlled by the nervous system
• Sac-like glands that are attached to hair follicles
• Cause oily skin and/or hair when an overabundance of sebum is produced by the glands

Answer 20

Sebaceous Glands

Question 21

What is the term for:

Type of melanin that produces brown/black hair color

Answer 21

Eumelanin

Question 22

What is the term for:

• Pigmented packets that contain melanin
• Produced by melanocytes

Answer 22

Melanosomes

Question 23

What is the term for:

• Adipose (fatty) tissue below the dermal layer of the skin
• Protective cushion for the skin
• Acts as a shock absorber to protect the bones and helps support the delicate structures, such as blood vessels and nerve endings

Answer 23

Subcutaneous Layer (Tissue)

Question 24

What is the term for:

A medical skin specialist

Answer 24

Dermatologist

Question 25

What is the term for:

• A mixture of sebum from the sebaceous glands and moisture from the sweat glands that forms a protective barrier for the skin
• Keeps skin smooth, prevents bacteria, dirt and grime from entering the epidermis
• Helps maintain the hair and skin’s normal pH range of 4.5 to 5.5

Answer 25

Acid Mantle

Question 26

What is the term for:

The six basic functions of the skin include sensation, heat regulation, absorption, protection, excretion and secretion

Answer 26

Skin Function

Question 27

What is the term for:

• Consist of protein keratin and epithelial cells that cover and protect the inside of the body
• Also called corneocytes

Answer 27

Keratinocytes