Chapter 6

Question 1

Stratified squamous epithelium

Answer 1

Epidermis

Question 2

Connective tissue layer

Answer 2

Dermis

Question 3

What connective tissues make up the Dermis layer?

Answer 3

Areolar, Dense Irregular, and Adipose

Question 4

Technically epidermis and dermis

Answer 4

Skin

Question 5

A connective tissue layer below the dermis

Answer 5

Hypodermis

Question 6

On palms, finger tips, toes, and sole of feet.

No hair follicles or sebaceous glands.

Answer 6

Thick Skin

Question 7

Covers rest of the body

Has hair follicles, sebaceous glands, and sweat glands

Answer 7

Thin Skin

Question 8

Keratin and acid mantle

Answer 8

Resistance to Trauma and Infection

Question 9

Waterproofing; UV Radiation; Harmful Chemicals

Answer 9

Other Barrier Functions

Question 10

Skin first step; liver and kidneys complete process

Answer 10

Vitamin D Synthesis

Question 11

Skin is our most extensive sense organ

Answer 11

Sensation

Question 12

Thermoreceptors; vasoconstiction/ vasodilation

Answer 12

Thermoregulation

Question 13

Frowning; smiling

Answer 13

Nonverbal Communication

Question 14

Administration of certain drugs steadily through thin skin via adhesive patches

Answer 14

Transdermal Absorption

Question 15

Keratinized stratified squamous epithelium
Lacks blood vessels
Dead cells at the surface packed with tough protein called keratin

Answer 15

Epidermis

Question 16

Function: Produces Keratinocytes (skin cells)
Location: Deepest layer of epidermis, resting right on the basement membrane

Answer 16

Stem Cells

Question 17

Function: Produces Keratin
Location: Every layer of dermis

Answer 17

Keratinocytes

Question 18

Function: Makes melanin that protects DNA from ultraviolet radiation
Location: Basement membrane

Answer 18

Melanocytes

Question 19

Function: Touch & pressure receptor
Location: Basal layer

Answer 19

Tactile Cells

Question 20

Function: Fight toxins, microbes, and other pathogens that penetrate skin
Location: Stratum Spinosum & Stratum Granulosum

Answer 20

Dendritic Cells

Question 21

A single layer of cubodial to low columnar stem cells and keratinocytes resting on the basement membrane

Answer 21

Stratum Basale

Question 22

Corneum layer is the thickest layer

Answer 22

Thick Skin

Question 23

Spinosum layer is the thickest layer

Answer 23

Thin/ Most Skin

Question 24

Produces keratin filaments which cause cell to flatten

The higher up in this stratum the flatter the cells appear

Answer 24

Stratum Spinosum

Question 25

Consists of three to five layers of flat keratinocytes | Contains coarse dark staining keratohyalin granules

Answer 25

Stratum Granulosum

Question 26

Seen only in thick skin

Answer 26

Stratum Lucidum

Question 27

Up to 30 layers of dead, scaly, keratinized cells Forms durable surface layer Resistant to abrasion, penetration, and water loss

Answer 27

Stratum Corneum

Question 28

Connective tissue layer beneath the epidermis Well supplied with blood vessels, sweat glands, sebaceous glands, and nerve endings Hair roots Dermal Papillae

Answer 28

Dermis

Question 29

Finger prints

Answer 29

Dermal Papillae

Question 30

Subcutaneous tissue Pads body Drugs introduced by injection

Answer 30

Hypodermis

Question 31

What are the Skin Layers?

Answer 31

``` Corneum Lucidum Granulosum Spinosum Basale Dermis ```