Integumentary System

Question 1

It includes the skin and accessory structures such as hair, glands, and nails

Answer 1

Integumentary System

Question 2

What vitamin does the skin produce?

Answer 2

Vitamin D

Question 3

What type of burn when only the surface of the epidermis is affected

Answer 3

1st degree burn

Question 4

A deeper injury & causes blistering.

Answer 4

2nd degree burn

Question 5

Burns involve all the layers of the skin

Answer 5

3rd degree burn

Question 6

Burns entered into the muscle and bone

Answer 6

4th degree burn

Question 7

It is the superficial layer of skin with stratified squamous epithelial tissue

Answer 7

Epidermis

Question 8

Layer of connective tissue, responsible for the strength of the skin

Answer 8

Dermis

Question 9

Layer of loose connective tissue and not part of the skin. Connects the skin to the bone or muscle.

Answer 9

Subcutaneous tissue (Hypodermis)

Question 10

Produce the pigment melanin that contributes to skin color.

Answer 10

Melanocytes

Question 11

Specialized epidermal cells associated with the nerve endings responsible for detecting light touch and pressure.

Answer 11

Merkel cells/tactile epithelial cells

Question 12

Most superficial stratum of the epidermis

Answer 12

Stratum corneum

Question 13

Disperses keratohyalin around keratin fibers

Answer 13

Stratum lucidum

Question 14

Produces keratohyalin granules; lamellar bodies release lipids from cells; cells die

Answer 14

Stratum granulosum

Question 15

Produces keratin fibers; lamellar bodies form inside keratinocytes

Answer 15

Stratum spinosum

Question 16

Deepest stratum of the epidermis; single layer of cuboidal or columnar cells; basement membrane of the epidermis attaches to the dermis

Answer 16

Stratum basale

Question 17

A group of pigments responsible for hair, skin, and eye color

Answer 17

Melanin

Question 18

Can be found in the palms of the hands, soles of the feet and fingertips

Answer 18

Thick skin

Question 19

Where hair is found

Answer 19

Thin skin

Question 20

Composed of cells such as fibroblast, adipocytes, macrophages

Answer 20

Dermis

Question 21

Towards the epidermis, loose connective tissue. Brings blood vessels close to the epidermis; dermal papillae form fingerprints & footprints.

Answer 21

Papillary layer

Question 22

Mat of collagen and elastic fibers, dense irregular connective tissue. Main fibrous layer of the dermis, forms cleavage lines.

Answer 22

Reticular layer

Question 23

Represents separation between underlying collagen fibers bundles in the reticular dermis.

Answer 23

Cleavage lines

Question 24

It form where the dermis is closely attached to the underlying structures.

Answer 24

Flexure lines

Question 25

It consist of spiderman ridges that lie on top of dermal ridges

Answer 25

Friction ridges

Question 26

Attaches the skin to underlying bone and muscle and supplies the skin with blood vessels and nerves

Answer 26

Subcutaneous tissue

Question 27

Terminal hair replaces vellus hair during puberty

Answer 27

True

Question 28

A delicate, unpigmented hair on fetuses

Answer 28

Lanugo

Question 29

Hair structure is above the surface

Answer 29

Shaft

Question 30

Hair structure is below the surface with the base called bulb

Answer 30

Root

Question 31

A tubelike invagination of the epidermis into the dermis, where hair develops and grows.

Answer 31

Hair follicle

Question 32

Active phase in which hair follicles takes on its onion like shape and works to produce hair fiber

Answer 32

Anagen (growth)

Question 33

Follicles undergo apoptosis-driven regression and loses 1/6th of its standard diameter.

Answer 33

Catagen (Transition)

Question 34

Follicle becomes dormant and growth of hair shaft does not occur.

Answer 34

Telogen (Resting)

Question 35

Extension of the telogen phase (Losing 50-100 hairs/day is normal)

Answer 35

Exogen (shedding)

Question 36

Smooth muscle cells associated with each hair follicle.

Answer 36

Arrector pili

Question 37

Alveolar glands that produce sebum (rich in lipids) and classified as holocrine glands.

Answer 37

Sebaceous glands

Question 38

Simple, coiled, tubular that open directly onto the surface through sweat pores.

Answer 38

Eccrine

Question 39

Does not help in thermoregulation and secrete organic substance that are metabolized by bacteria that produces body odor.

Answer 39

Apocrine

Question 40

Located on the distal ends of the digits

Answer 40

Nails

Question 41

Where the body nail fold grows into the nail body

Answer 41

Cuticle/Eponychium

Question 42

Located beneath the free edge of the nail body

Answer 42

Hyponychium

Question 43

Composed of epithelial tissue that gives rise to the cells that form the nail.

Answer 43

Nail matrix and bed