Integumentary System

Question 1

Two or more types of tissues working together to perform a specialized function

Answer 1

organ

Question 2

What is the largest organ in the body by weight?

Answer 2

skin

Question 3

What makes up the integumentary system?

Answer 3

Skin and accessory organs

Question 4

What are the functions of the integumentary system?

Answer 4

regulate body temperature, protective temperature, excrete wastes, slows water loss, houses sensory receptors

Question 5

Close to the blood supply in the dermis, only stratum healthy enough to reproduce

Answer 5

stratum basale

Question 6

What is the epidermis made of?

Answer 6

Stratified squamous epithelium

Question 7

What does the epidermis lack?

Answer 7

blood vessels

Question 8

How is the epidermis nourished?

Answer 8

blood vessels in dermis

Question 9

Protects the underlying tissues and keep out disease-causing microorganisms

Answer 9

epidermis

Question 10

Cells located in the epidermis that produces melanin

Answer 10

melanocytes

Question 11

a dark pigment that provides color in skin

Answer 11

melanin

Question 12

What do differences in skin color result from?

Answer 12

amount and size of melanin, genetics, UV rays, x-rays, diet

Question 13

Cancer that arise from epithelial cells

Answer 13

cutaneous carcinomas

Question 14

Cancer that arise from melanocytes

Answer 14

cutaneous melanomas

Question 15

What is the most common skin cancer?

Answer 15

cutaneous carcinomas

Question 16

Functions to bind the epidermis to underlying tissues

Answer 16

dermis

Question 17

what is the dermis composed of?

Answer 17

Collagen and elastin fibers

Question 18

What does the dermis contain?

Answer 18

blood vessels, nerves, hair follicles, glands, touch receptors

Question 19

What is the subcutaneous layer composed of?

Answer 19

loose connective tissues and insulating adipose tissue

Question 20

Binds the skin to underlying organs

Answer 20

subcutaneous layer

Question 21

Protective coverings over the ends of fingers and toes

Answer 21

nails

Question 22

what are nails composed of?

Answer 22

stratified squamous epithelium overlying the nail bed

Question 23

what happens as new nail cells are produced?

Answer 23

old cells are pushed outward and get keratinized

Question 24

what is the most active growing region of the nail root?

Answer 24

lunula

Question 25

a structure extending from the epidermal surface into the dermis

Answer 25

hair follicle

Question 26

where are hair follicles located?

Answer 26

dermis

Question 27

Gland that softens and lubricates the skin and hair

Answer 27

sebaceous gland

Question 28

an active inflammation of the sebaceous glands

Answer 28

acne

Question 29

develop when a sebaceous gland is blocked by accumulated sebum

Answer 29

whitehead

Question 30

develop when blocked material oxidizes and dries

Answer 30

blackheads

Question 31

What are the 4 types of sweat glands?

Answer 31

eccrine, apocrine, ceruminous, mammary

Question 32

Sweat gland found on forehead, neck and back

Answer 32

eccrine

Question 33

Sweat gland found on axillary region and groin area

Answer 33

apocrine

Question 34

Sweat gland lining of the external ear canal

Answer 34

ceruminous

Question 35

what does the ceruminous gland secrete?

Answer 35

earwax

Question 36

gland that secretes milk

Answer 36

mammary

Question 37

Controls the internal body temperature; responds to sensory signals from the temperature receptors in the skin

Answer 37

hypothalamus gland

Question 38

What can happen if there are slight shifts in body temperature?

Answer 38

disrupt metabolic reactions in the body and can denature enzymes if the temperature is too high

Question 39

Decrease in the diameter of blood vessels (less blood flow)

Answer 39

vasoconstriction

Question 40

Increase in the diameter of blood vessels (more blood flow)

Answer 40

vasodilation

Question 41

core body temperature is below 95 F

Answer 41

hypothermia

Question 42

core body temperature is above 106 F

Answer 42

hyperthermia

Question 43

How does the epidermal layer heal wounds?

Answer 43

epithelial cells are stimulated to divide in order to fill in the gaps

Question 44

How does the dermal and subcutaneous areas heal wounds?

Answer 44

Blood vessels break and blood clot forms. Dried blood and tissue create a scab

Question 45

A burn that injures the epidermis

Answer 45

1st degree

Question 46

A burn that destroys the epidermis and dermis; blisters appear

Answer 46

2nd degree

Question 47

A burn that destroys the epidermis, dermis, and accessory organs of the skin

Answer 47

3rd degree

Question 48

How are 3rd degree burns treated?

Answer 48

skin transplant (skin graft)

Question 49

Used to estimate the extent and severity of burns

Answer 49

rule of nines

Question 50

What does the rule of nines help with?

Answer 50

Determines how to hydrate/ control infection

Question 51

What happens if the nail matrix is destroyed?

Answer 51

Nails wont grow back

Question 52

Enlarged end of the root of a hair

Answer 52

Bulb

Question 53

Layer of epidermis that is mitotic

Answer 53

Stratum basal

Question 54

Nerve receptor for two point descrimination located in the dermal papilla

Answer 54

Meissner

Question 55

Epidermal stratum that is found in thick skin (clear)

Answer 55

Lucidum

Question 56

Nerve ends found in epidermis that detects pain

Answer 56

Free

Question 57

Lack of melanin

Answer 57

Albinism

Question 58

Process by which cytoplasm of a cell is replaced by keratin

Answer 58

Keratinization

Question 59

Part of the root or a nail that has rapidly dividing cells

Answer 59

Matrix

Question 60

Type of skin with five epidermal layers found on soles of feet

Answer 60

Thick

Question 61

Type of skin found on your lips

Answer 61

Thin

Question 62

Undulating layer of dermis that causes fingerprints

Answer 62

Dermal papillae

Question 63

Sweat glands that become active at puberty

Answer 63

Apocrine

Question 64

What type of glands are sebaceous glands?

Answer 64

Holocrine

Question 65

What is the ABCDE of skin cancer detection?

Answer 65

Asymmetrical, borders, color variability, diameter, evolution

Question 66

Any change to a mole

Answer 66

Evolution

Question 67

A mole larger than the diameter of a pencil eraser

Answer 67

Diameter

Question 68

Color variations in the mole

Answer 68

Color variability

Question 69

Irregularities around the borders of the mole

Answer 69

Borders

Question 70

Unusually shaped moles

Answer 70

Asymmetrial