X A&P - Chp 6 - The Integumentary (Skin)

Question 1

Epidermis

Answer 1

outermost portion - epithelial cells and contains no blood vessels. nourished by capillaries in underlying dermis.

Question 2

Dermis

Answer 2

framework of connective tissue and contains many blood vessels, nerve endings and glands.

Question 3

Cross Section of Skin

Answer 3

see pic

Question 4

Melanocyets produce

Answer 4

Melanin in the deepest layer of epidermis.

Question 5

Dermal Papillae

Answer 5

finger prints, allow blood vessels to get closer to superficial cells.

Question 6

Stratum Corneum

Answer 6

protective layer over finger prints.

Question 7

Areas of great heat loss

Answer 7

Groin, Armpit (Axillae), Head

Question 8

Subcutaneous Layer

Answer 8

aka Hypodermis/superficial fascia

connects skin to underlying muscles

made of loose connective tissue and large amounts of adipose

Question 9

Integumentary

Answer 9

the name of the system that comprises the skin and all it;s associated structures.

Question 10

Sebaceous Glands

Answer 10

saclike structures, oily sebum lubricates skin and hair and prevents drying.

Open into hair follicles

Question 11

Sudoriferous (Sweat) Gland

Answer 11

coiled, tubelike structure located in dermis and subcutaneous tissue. Cool the body. release sweat or perspiratoin, draws heat rom skin as moisture evaporates at surface.

Question 12

Eccrine

Answer 12

type of sweat gland diestributed though skin. exetnds directly to surface and opens at a pore. Sweat contains salt, minor excretory function

Question 13

Apocrine

Answer 13

sweat glands located in armpits and groin area

Question 14

Arrector Pili

Answer 14

this band of involuntary muscle attached to hair follicle.

Question 15

Pallor

Answer 15

paleness of skin. reduced blood flow, reduction in hemoglobin, (anemia)

Question 16

cyanosis

Answer 16

not enough oxygen in blood, skin takes on a blue hue

Question 17

FLushing

Answer 17

redness of skin accompanied with high fever

Question 18

Erythma

Answer 18

redness of skin

Question 19

Macule

Answer 19

spot that is not raised or depressed. ie freckles

Question 20

Papule

Answer 20

firm raise area, large firm papule is a nodule

Question 21

Vesicle

Answer 21

blister or small fluid fliled sac

Question 22

Pustule

Answer 22

vesicle filled with pus. vesciles infected

Question 22

BSA

Answer 22

Body surface area

Question 23

Factors that affect healing

Answer 23

Nutrition
Blood supply
Infection
Age

Question 24

Sunlight converts what to what?

Answer 24

Cholesterol to Vit D.

Question 25

Vit necessary for

Answer 25

Calcium absorption

Question 26

Functions of Skin

Answer 26

``` Controls body temp Protection against infection Production of Vit D Protection against dehydration Collection of sensory info ```

Question 27

Smallest blood vessels

Answer 27

Capillaries

Question 28

When capillaries dilated, we look

Answer 28

Flushed Red More blood to surface, heat released

Question 29

What feeds the skin?

Answer 29

Capillaries

Question 30

Cooling mechanisms

Answer 30

Constriction of blood vessels Dilation of blood vessels Evaporation, perspiration

Question 31

If you are warm/hot, body needs to cool

Answer 31

Capillaries dilate, blood rushes and heat released

Question 32

Necrosis

Answer 32

Skin dies, turns black

Question 33

Skin image w stratum basale, dermal papillae

Answer 33

My drawing

Question 34

Stratum Basale Aka

Answer 34

Stratum germinativum Germ layer producing epidermis. Bottom most layer of epidermis Melanocytes in between basale cells

Question 35

Integumentary System

Answer 35

Skin Hair Nails

Question 36

Skin layers

Answer 36

Epidermis: stratum basale/germinativum Dermis: blood vessels, nerve endings, glands (oil, sweat)

Question 37

Waterproof protein in skin

Answer 37

Keratin

Question 38

Growth happens at

Answer 38

Stratum basale/germinativum

Question 39

Thicker skin on palms, soles

Answer 39

Stratum Corneum

Question 40

Largest to smallest Artery ....

Answer 40

Artery, arterioles, capillaries

Question 41

Suderiferous glands | Sweat

Answer 41

``` Apocrine: arm pits, groin Eccrine: to pores, generalized Ceruminous: earwax Ciliary Glands: eyelash Mammary glands: milk, modified sweat ```

Question 42

Subcutaneous layer connects

Answer 42

Skin to muscle

Question 43

Vernix

Answer 43

Creamy covering on newborns

Question 44

Other activities of skin

Answer 44

Absorb medications Excretion: water, electrolytes (Na, K, Cl), waste Manufacture Vit D

Question 45

Pigment in Epidermis

Answer 45

Melanin: black/brown Carotene: reddish, freckles

Question 46

Pallor

Answer 46

Pale skin, reduced blood flow

Question 47

Flushing

Answer 47

Redness

Question 48

Cyanosis

Answer 48

Bluish color, lack of O in blood

Question 49

Yellow skin

Answer 49

Jaundice

Question 50

Surface Lesions

Answer 50

Macule: freckle Papule/Vesicle: blisters Pustule: pus cyst

Question 51

Deeper Lesions

Answer 51

Excoriation: road rash Laceration: cut Ulcer: round lesion in skin Fissure: crack

Question 52

Tissue repair in areas w actively dividing cells

Answer 52

Epithelial tissue | Connective tissue

Question 53

Effects of Aging on Integumentary System

Answer 53

Loss of subcutaneous fat Wrinkles Grey hair, lose melanin Nails growing thick, horny in elderly