Integumentary System Deck (P1)

Question 1

What are the 4 major functions of the integumentary system?

Answer 1

1) Protection
2) Temperature regulation
3) Water loss regulation
4) Housing sensory receptors

Question 2

What are the 3 major structural regions of the integumentary system?

Answer 2

1) Epidermis
2) Dermis
3) Hypodermis

Question 3

These cells comprise the epidermis.

Answer 3

What is keratinized stratified squamous epithelium?

Question 4

Will you find vascularity (a blood supply) in the epidermis?

Answer 4

No

Question 5

Another name for hypodermis.

Answer 5

What is subcutaneous?

Question 6

Why isn’t the hypodermis considered part of the skin?

Answer 6

It does not serve the same function as the more superficial layers do

Question 7

What type of tissue primarily comprises the hypodermis?

Answer 7

Adipose

Question 8

What are the 5 layers of the epidermis from superficial to deep?

Answer 8

1) Stratum corneum
2) Stratum lucidum
3) Stratum granulosum
4) Stratum spinosum
5) Stratum basale

Question 9

Where will you only find the stratum lucidum?

Answer 9

In thick skin, such as the feet & palms

Question 10

You find granules of { } in the stratum granulosum.

Answer 10

Keratin

Question 11

The stratum spinosum has a { } appearance.

Answer 11

Spiny, star-like

Question 11

You’ll find a single layer of cell shapes ranging from { } to { } in the stratum basale.

Answer 11

1) Cuboidal
2) Columnar

Question 12

Cell division occurs most frequently in this layer of the epidermis.

Answer 12

What is the stratum basale?

Question 13

What specialized cells will you find in the stratum basale?

Answer 13

Melanocytes

Question 14

What are the 2 distinct layers of the dermis?

Answer 14

1) Papillary
2) Reticular

Question 15

What is the purpose of the papillary layer?

Answer 15

To bind the epidermis to the dermis

Question 16

What distinctive identity characteristics do the larger dermal papillae form?

Answer 16

Fingerprints

Question 17

What type of tissue is predominantly found in the papillary layer of the dermis?

Answer 17

Areolar connective

Question 18

The papillary layer contains { } endings.

Answer 18

Nerve

Question 19

What type of tissue is predominantly found in the reticular layer of the dermis?

Answer 19

Dense irregular connective

Question 20

You will find { } structures in the reticular layer.

Answer 20

Accessory

Question 21

Which layer of the dermis is vascular?

Answer 21

Reticular

Question 22

The papillary layer of the dermis is { } to the reticular layer.

Answer 22

Superior

Question 23

What are nails made of?

Answer 23

Dead, keratinized epithelial cells

Question 24

What is hair made of?

Answer 24

The same as nails; dead, keratinized epithelial cells

Question 25

Hair grows out of a...

Answer 25

Follicle

Question 26

Which region of the integumentary system are hair follicles produced from?

Answer 26

The dermis

Question 27

What are the 3 parts of a hair follicle?

Answer 27

1) Shaft 2) Root 3) Bulb

Question 28

The hair shaft is the { } part of the hair.

Answer 28

Visible

Question 29

The hair root is located { } the skin.

Answer 29

Below

Question 30

The hair bulb is located at the { } of the root.

Answer 30

Base

Question 31

The arrector pili muscle is an { } muscle located just beside each { }.

Answer 31

1) Involuntary 2) Hair follicle

Question 32

When it gets cold, the arrector pili muscles are responsible for...

Answer 32

Goosebumps

Question 33

What is the purpose of the sebaceous glands?

Answer 33

Secrete sebum into hair follicles

Question 34

Merocrine (eccrine) sweat glands are found { }, mostly in places such as the { }, { }, and { }.

Answer 34

1) All over the body 2) Palms 3) Soles of feet 4) Forehead

Question 35

Apocrine sweat glands are most abundant in the { } and { } regions.

Answer 35

1) Groin 2) Axillary

Question 36

At what stage in life do the apocrine glands become active?

Answer 36

Puberty

Question 37

Blood vessels are only found in this structural region of the integumentary system.

Answer 37

What is the dermis?

Question 38

What type of receptor is the tactile corpuscle?

Answer 38

Touch

Question 39

What type of receptor is a free nerve ending?

Answer 39

Pain

Question 40

What type of receptor is the lamellated corpuscle?

Answer 40

Pressure

Question 41

Cells in the stratum granulosum are { } but are in the process of { }.

Answer 41

1) Alive 2) Dying

Question 42

What is the key characteristic that the stratum corneum, stratum lucidum, and stratum granulosum have in common?

Answer 42

They are all keratinized

Question 43

What is the purpose of the papillae?

Answer 43

To protect cells from shearing force

Question 44

What are the 4 structures of the nail?

Answer 44

1) Free edge 2) Nail bed 3) Lunula 4) Cuticle

Question 45

Sebum helps regulate { } loss.

Answer 45

Water

Question 46

The { } sweat glands are responsible for body odor.

Answer 46

Apocrine

Question 47

What are the 2 roles of blood vessels in the dermis?

Answer 47

1) Provide nutrients to the skin 2) Regulate body temperature

Question 48

A receptor that looks like these cherry tomatoes.

Answer 48

What is a touch receptor?

Question 49

A receptor that looks like this nostalgic green sticky hand toy.

Answer 49

What is a free nerve ending?

Question 50

A receptor that looks like some lima beans.

Answer 50

What is a pressure receptor?