Epidermis

Question 1

Thick skin, layer of epidermis that contain dead keratinocyte are

Answer 1

Startum Lucidum (clear)
Startum Corneum (Dry layer)

Question 2

Sebaceus glands produce _____ that coast the hair shaft and the epidermal surface

Answer 2

oil

Question 3

epidermis Integumentary sis.

Answer 3

Stratified squasmous epithelium tissue

Question 4

The major function of merocrine sweat glands are

Answer 4

Thermoregulation
protection
secreation

Question 5

Sebaceous glands are activated by ____ during puberty in both sexes

Answer 5

sex hormones

Question 6

Many cell produces in the epidermis produces ___when exposed to uv radiation

Answer 6

Vitamin D

cholecaciferol

Question 7

The nail plate is compose of

Answer 7

nail body
nail root
free edge

Question 8

The subcutaneous layer is also know as

Answer 8

Hypodermis
superfical facial
it’s not part of the integument

Question 9

The cell of startum corneum contains large amount of protein

Answer 9

keratin

Question 10

The skin is made up of two layer

Answer 10

Epidermis ,dermis and hypodermis

Question 11

Damaged tissue are normally repaired in one or two ways

Answer 11

Regeneration and scar formation

Question 12

Tactile cells

Answer 12

Merkel cells

nerve endings for light touch

Question 13

Epidermis Function (on)

Answer 13

Protectn ion

• Metabolic Regulation (uv produces Vitamin D)
• Prevention of water loss ( epidermis is water resistant)

Question 14

Epidermis live cell layers

Answer 14

Stratum basale
Stratum spinosum
Stratum Granulosm

Question 15

melanocytes

Answer 15

produce the brown pigment called melanin uv protective

Question 16

Kerantinocytes

Answer 16

produce keratin for abrasion resistance

Question 17

Epidermis dead cell layers

Answer 17

Stratum lucidum (clear)
Stratum Corneum (Dry layer)

Question 18

Dermis functions

Answer 18

• Temperature regulation (sweat glands release fluid)
• Secreation and absorption
• Sensory Reception

Question 19

Dermis integumentary sistem

Answer 19

Dense regular connective tissue

Question 20

Dermis layers

Answer 20

Pappillary layer (areolar CT)
Reticular layer (thick, dense irregular Ct)

Question 21

Pappillary layer is compused of (dermis)

Answer 21

Dermal papillae (peglike)
Blood vessels - capillary loops that supply epidermis via diffusion
Meissner’s corpuscles &
free nerve endings – more light touch receptors

Question 22

Reticular Layer (dermis)

Answer 22

Thick, dense irregular CT
Tension lines (= lines of cleavage) show orientation of fiber bundles & incisions for less scarring.
Pacinian corpuscles (= lamellated corpuscle, “onion”) – deep pressure & vibration sensors
Blood vessels w/ diameter regulation (arterioles)

Question 23

Vasoconstriction (dermis)

Answer 23

decreases vessel diameter & decreases blood flow & heat retained

Question 24

Vasodilation(dermis)

Answer 24

vice versa

Question 25

Arrector pili (dermis

Answer 25

smooth muscle that responds to cold & fear stimuli (goose bumps)

Question 26

Epidermal derivatives

Answer 26

Hair follicles w/ hair
Nails
Sebaceous glands
Sweat glands