6 Integument (Lecture)

Question 1

Functions of the integument

Answer 1

Protective layer, maintain body temperature, store and synthesize nutrients, Sensory reception, and Secretion and Excreation

Question 2

The skin converts

Answer 2

cholesterol to vitamin D

Question 3

The skin secretes

Answer 3

useful substances

Question 4

The skin excretes

Answer 4

waste

Question 5

which layer of the integument is made of stratified squamous epithelim

Answer 5

epidermis

Question 6

Which layer of the integument is an avascular barrier that regenerates

Answer 6

epidermis

Question 7

Epidermal cells die because

Answer 7

they are avascular and cant get O2

Question 8

What are the 5 layers of the epidermis

Answer 8

Stratum corneum, Stratum lucidum, Stratum granulosum, Stratum spinosum, and Stratum basale

Question 9

Which layer of the epidermis is sometimes thick or thin and all of its cells are dead

Answer 9

Stratum corneum

Question 10

Which layer of the epidermis is only found on the hands and feet

Answer 10

Stratum lucidum

Question 11

XXX In which layer do Epithelial cells begin to die. Organelles die and form dark spots. contain soft (water proofing) and hard keratin (fingernails).

Answer 11

Stratum granulosom

Question 12

XXX In this layer cells are living but stop reproducing

Answer 12

Stratum spinosum

Question 13

XXX Bottom layer (stem cells here)

Answer 13

Stratum basale

Question 14

Basement membrane does what

Answer 14

connects basal to dermis

Question 15

XXX What type of cell is a dying epithelial cell

Answer 15

keratinocytes

Question 16

Pigment cells that protect the living cells from UV radiation

Answer 16

Melanocytes

Question 17

What type of WBC alarms the immune system?

Answer 17

Dendritic Cells

Question 18

Inhibit dendritic cells (why my hands itch)

Answer 18

Granstein cells

Question 19

Parts of the epidermis that project down toward dermis

Answer 19

Epidermal ridges

Question 20

Epidermal or Friction fidges

Answer 20

finger prints

Question 21

What layer of the integument do you never shed

Answer 21

dermis

Question 22

What strengthens the dermis

Answer 22

collagen

Question 23

Zipper for epidermis to dermis mounds in the dermis that project up.

Answer 23

Dermal papillae

Question 24

What are the 2 layers of the dermis

Answer 24

Papillary and Reticular

Question 25

blood vesssels mark the boarder of the

Answer 25

Papillary and Reticular

Question 26

XXX Reticular layer (cutaneous plexus) is

Answer 26

the boarder between reticular layer and adipose it is made of loose dense connective tissue

Question 27

* Vasodilatation

Answer 27

brings blood to the skin for cooling

Question 28

* Vasoconstriction

Answer 28

less blood to the skin core warm

Question 29

Skin ligaments

Answer 29

bundles of collagen fibers

Question 30

Deep Fascia

Answer 30

Thin layer of connective tissue between fat and muscle

Question 31

Oil secreting gland (sebum)

Answer 31

Sebaceous gland

Question 32

Sudoriferous glands

Answer 32

sweat glands

Question 33

XXX Temperature regulating gland

Answer 33

Eccrine / merocrine gland

Question 34

Structure of and eccrine merocrine gland

Answer 34

coil, duct, pore, dermacidin

Question 35

Coil

Answer 35

base makes sweat come from plasma

Question 36

Duct

Answer 36

carries sweat to surface

Question 37

Pore

Answer 37

opening

Question 38

Dermacidin

Answer 38

chemical that reduces risk of fungal infections

Question 39

Located in the arm pit and groin (scent glands)

Answer 39

Apocrine sweat gland

Question 40

Ceruminous

Answer 40

ear wax

Question 41

lacrimal

Answer 41

tears

Question 42

Salivary

Answer 42

spit

Question 43

mammary

Answer 43

milk

Question 44

What type of skin contains hair follicles

Answer 44

hirsute skin

Question 45

XXX What type of skin contains no follicles palms and lips

Answer 45

Glabrous skin

Question 46

layers of stem cells that produce a hair shaft

Answer 46

hair matrix

Question 47

opening for blood vessel and nerve at base of hair shaft

Answer 47

Hair papilla

Question 48

what is the goose bump muscle

Answer 48

arretor pili

Question 49

XXX Velus hairs

Answer 49

very short almost microscopic hairs never pigmented

Question 50

Terminal hairs

Answer 50

long thick pigmented hairs

Question 51

Medulla (hair)

Answer 51

inner most layer of hair shaft

Question 52

XXX Cortex (hair)

Answer 52

contains pigmented cells and hard keratin

Question 53

Cuticle (hair)

Answer 53

outter most thick hard keratin. When this wears away you have split ends

Question 54

purpose of fingernails

Answer 54

protect delicate bones of the fingers

Question 55

nail root contains

Answer 55

stem cells

Question 56

where is the nail bed

Answer 56

under the nail

Question 57

XXX nail bed is comprised of

Answer 57

lower layers of epidermis

Question 58

Lunula

Answer 58

moon nail root visable

Question 59

which burn is least severe

Answer 59

1st degree

Question 60

which burn involves only epidermis and superficial epidermis

Answer 60

1st degree

Question 61

XXX which burn involves blister epidermis coming off. Epidermis and significat portion of dermis

Answer 61

2nd degree

Question 62

which type of burn involves split thickness skin grafts damaging all of epidermis and dermis

Answer 62

3rd degree