Integumentary system

Question 1

integument skin (covering)

Answer 1

integument

Question 2

the subcutaneous tissue just deep to the skin made up of mostly adipose tissue

Answer 2

hypodermis

Question 3

What is the function of the hypodermis?

Answer 3

stores fat, anchors the skin, and acts as a shock absorber

Question 4

the outer layer of the skin made up of keratinized stratified squamous epithelium

Answer 4

epidermis

Question 5

epidermal cell that produces keratin

Answer 5

keratinocyte

Question 6

The fibrous protein that makes skin waterproof and keeps it strong, also found in hair and nails

Answer 6

keratin

Question 7

“horn”

Answer 7

Greek meaning of “kera”

Question 8

epidermal cell that produces the brown piment melanin

Answer 8

melanocyte

Question 9

epidermal cell that acts as a macrophage to activate our immune system to destroy foreign substances

Answer 9

Langerhans’ cell

Question 10

deepest epidermal layer made of a single row of cells that undergo rapid cell division

Answer 10

stratum basale

Question 11

epidermal cell functions as touch receptors in association with sensory nerve endings

Answer 11

Merkel cell

Question 12

What are the three regions of the skin?

Answer 12

epidermis, dermis, hypodermis

Question 13

List the 5 layers of the epidermis in order from the superficial to deepest layer.

Answer 13

stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale

Question 14

Which layer of the epidermis is found only in thick skin?

Answer 14

stratum lucidum

Question 15

Which layer of the epidermis consists of a single row of cells where rapid cell division occurs?

Answer 15

stratum basale

Question 16

Which layer of the epidermis is made up of a weblike system of intermediate filaments with flattened keratinocytes that appear “spiny”

Answer 16

stratum spinosum

Question 17

Which layer of the epidermis consists of three to five cell layers with keratinocytes that accumulate granules that form keratin and lipids that provide waterproofing

Answer 17

stratum granulosum

Question 18

What are the two layers of the dermis?

Answer 18

papillary and reticular

Question 19

What are the peglike projections on the superior surface of the dermis that indent the overlying epidermis?

Answer 19

dermal papillae

Question 20

cell deep in the dermis that is

capable of detecting pressure

Answer 20

Pacini corpuscle

Question 21

pigment that ranges in color from yellow to reddish-brown to black that is produced when the skin is exposed to sunlight

Answer 21

melanin

Question 22

A condition that occurs when hemoglobin is poorly oxygenated causing the skin to appear blue

Answer 22

cyanosis

Question 23

term that means “sweat”

Answer 23

sudoriferous

Question 24

produces true sweat; abundant on the palms of hand, soles of the feet, and forehead

Answer 24

eccrine (merocrine) sweat gland

Question 25

produce true sweat plus fatty substances and proteins; found in the axillary (armpit) and anogenital areas of the body

Answer 25

apocrine sweat glands

Question 26

modified apocrine glands found in the lining of the external ear canal; produce sticky, bitter substance called cerumen (earwax)

Answer 26

ceruminous glands

Question 27

specialized sweat glands that secrete milk

Answer 27

mammary glands

Question 28

oil glands

Answer 28

sebaceous glands

Question 29

Oil

Answer 29

Sebum

Question 30

What stimulates sebum production?

Answer 30

hormones

Question 31

What are the functions of the skin?

Answer 31

Regulates body temperature; Produces Vitamin D; Protection from chemical and physical injury: Blood reservoir; Excretion of nitrogenous wastes

Question 32

What are the three types of skin cancer?

Answer 32

basal cell carcinoma, squamous cell carcinoma, melanoma

Question 33

the least malignant and most common type of skin cancer

Answer 33

basal cell carcinoma

Question 34

the most dangerous skin cancer

Answer 34

melanoma

Question 35

The components of the integumentary system are:

Answer 35

Sweat, sebaceous glands, nails, hair, skin and arrectores pillorm