Unit 4: Integumentary System

Question 1

Epithelial Membrane

Answer 1

Lines body cavities
Open to exterior
Wet membranes covered in own secretion
Location: digestive and respiratory tracts

Question 2

Serous Membrane (Serosae)

Answer 2

Moist
Closed ventral cavities
NOT open to exterior
Simple Squamous and Areolar
secrets serous fluid to reduce friction
Parietal serosae and Visceral

Question 3

Parietal Serosae

Answer 3

Internal body walls

Question 4

Visceral Serosae

Answer 4

Internal organs

Question 5

Peritoneum

Answer 5

Abdomin

Question 6

Pericardium

Answer 6

Heart

Question 7

Pleura

Answer 7

Lungs

Question 8

Steps of tissue repair

Answer 8

Inflammation- scab
Organization- new cells
Regeneration- new tissue under scab

Question 9

Layers of skin

Answer 9

Epidermis
Dermis
Hypodermis

Question 10

Layers of Epidermis

Answer 10

Stratum corneum
Stratum lucidum
Stratum granulosum
Stratum Spinosum
Stratum basale

Question 11

Stratum corneum

Answer 11

Superficial

Shingle-like dead cells

Question 12

Stratum lucidum

Answer 12

Only in thick skin

Question 13

Stratum granulosum

Answer 13

granules of keratin

Question 14

Straum spinosum

Answer 14

connections to adjacent cells

Question 15

Stratum basale

Answer 15

Deep
Cells undergoing mitosis
Lies next to dermis

Question 16

Melatin

Answer 16

Pigment produced by melanocycles in stratum basale

Question 17

Carotene

Answer 17

In fat cells in dermis and hypodermis

Yellow pigment

Question 18

Hemoglobin

Answer 18

In red blood cells

pass through capillaries beneath epidermis

Question 19

Dermis

Answer 19

Papillary and Reticular
Inner later
Dense connective tissue

Question 20

Hypodermis

Answer 20

Deep to dermis
NOT part of skin
Adipose tissue
Anchors skin to underlying organs

Question 21

Papillary Layer

Answer 21

Dermis
Projections called dermal papillae (fingerprints)
Pain receptors
Capillary loops

Question 22

Reticular Layer

Answer 22

Dermis
Blood vessels
Glands
Nerve receptoes

Question 23

Eccrine

Answer 23

Sweat Gland

Open via duct to pore on surface

Question 24

Apocrine

Answer 24

Ducts empty into hair folicles

Question 25

Sweat

Answer 25

Mostly water
metabolic wastes
Fatty acids and proteins(apocrine)
Function: 
Excretes wastes
dissipate excess heat
inhibits bacteria growth

Question 26

Free nerve endings

Answer 26

Temperature
Pain
Pressure
Touch

Question 27

Meissner’s corpuscles

Answer 27

Touch sensory

Top of dermis

Question 28

Pacinian corpuscles

Answer 28

Deep
Pressure
Bulb

Question 29

First degree burns

Answer 29

Only epidermis damaged

Red and swollen

Question 30

Second degree burns

Answer 30

Epidermis and upper dermis are damaged

Red with blisters

Question 31

Third degree burns

Answer 31

Destroys entire skin layer
Gray-white or black
Cannot feel pain

Question 32

Hair structure

Answer 32

Shaft
Root
Medulla
Cortex
Cuticle

Question 33

Shaft

Answer 33

Keratinization complete

Question 34

Root

Answer 34

Keratinization ongoing

Question 35

Medulla

Answer 35

Central core

Soft Keratin

Question 36

Cortex

Answer 36

Bulky layer surrounding medulla

Question 37

Cuticle

Answer 37

Single layer

keeps hair apart

Question 38

Basal Cell Carcinoma

Answer 38

Duplicate when not supposed to

Question 39

Squamous Cell Carcinoma

Answer 39

Duplicate more than should

Question 40

ABCD and sometimes E

Answer 40

Asymmetry
Border irregularity
Color
Diameter
Elevation above skin surface