Lab Test 1 CH6

Question 1

skin and its derivatives: nails, hair, sweat glands, and sebaceous (oil) glands

Answer 1

Components of the integumentary system

Question 2

another name for the integument

Answer 2

Cutaneous membrane

Question 3

Two distinct layers– a layer of stratified squamous epithelium called the epidermis, and a deeper layer of primarily dense irregular connective tissue called the dermis

Answer 3

layers that make up the integument

Question 4

connects and nourishes the epidermis, produces sweat and oil

Answer 4

function of dermis

Question 5

protection

Answer 5

function of epidermis

Question 6

What is the epidermis composed of

Answer 6

keratinized, stratified squamous epithelium

Question 7

What is the dermis composed of

Answer 7

Dense irregular connective tissue

Question 8

What is another name for the hypodermis

Answer 8

Subcutaneous layer

Question 9

What are the layers from deep to superficial of the epidermis

Answer 9

stratum basale, stratum spinosum, stratum granulosum, stratum lucidum (found in thick skin only), and the stratum corneum

Question 10

What is another name for stratum basale

Answer 10

Basal layer

Question 11

What are epidermal dendtric cells (dendritic) know for

Answer 11

Immune cells that fight infection in the epidermis

Question 12

Where the keratinocytes fill up with the protein keratin, and in so doing, cause both the cell’s nucleus and organelles to disintegrate and the cell dies

Answer 12

keratinization

Question 13

What is another name for stratum lucidum

Answer 13

Clear layer

Question 14

Where is the stratum lucidum found

Answer 14

Thick skin in hands and feet, protects from UV rays

Question 15

number of epidermal strata and the relative thickness of the epidermis

Answer 15

Classification of skin as either thick or thin

Question 16

life expectancy of an epidermal cell

Answer 16

About 4 weeks

Question 17

Where is thin skin found

Answer 17

Covers most of the body

Question 18

Where is thick skin found

Answer 18

Palms of hands and soles of feet

Question 19

Projections of the dermis in the papillary layer of the dermis

Answer 19

dermal papillae

Question 20

What is the papillary layer of the dermis composed of

Answer 20

Areolar connective tissue

Question 21

Composed of dense irregular connective tissue surrounding hair follicles, sebaceous glands and sweat glands, nerves, and blood vessels

Answer 21

reticular layer of the dermis

Question 22

What is the subcutaneous layer composed of

Answer 22

Areolar and adipose connective tissue

Question 23

nails, hair, and exocrine glands of the skin

Answer 23

integumentary structures are derived from the epidermis

Question 24

A single hair

Answer 24

pilus

Question 25

What are the two most common types of exocrine glands

Answer 25

Sudoriferous glands and sebaceous glands

Question 26

Clear secretion released by exocytosis called sweat

Answer 26

merocrine gland secretion

Question 27

Viscous and cloudy liquid containing both proteins and lipids that are acted upon by bacteria to produce a distinct, noticeable odor called pheromones

Answer 27

apocrine gland secretion

Question 28

An oily, waxy secretion called sebum

Answer 28

sebaceous gland secretion

Question 29

Around hair follicles to keep skin and hair from becoming dry and cracked

Answer 29

sebaceous gland location