Integument

Question 1

physical protection from environmental hazards, thermoregulation, synthesis and storage of lipid reserves, excretion, synthesis of vitamin D3, sensory information, coordination of immune response to pathogens and cancers in skin

Answer 1

integumentary system

Question 2

one side attached to basal membrane, one side open to environment;
avascular, non-neural, melanin, hemoglobin, carotene

Answer 2

epidermis

Question 3

The ___ layer of the skin is avascular and non-neural.

Answer 3

epidermis

Question 4

The pink hue of skin is the result of ___ in the blood.

Answer 4

hemoglobin

Question 5

_____ are responsible for the brown pigmentation of skin.

Answer 5

melanocytes

Question 6

The superficial layer of the epidermis is stratum _____.

stratified squamous

Answer 6

corneum

Question 7

Stratum ____ is present only in the soles of the feet and the palms of the hands.
cushioning

Answer 7

lucidum

Question 8

The stratum _____ in the epidermis attaches to the basement membrane.

Answer 8

germinativum

Question 9

The stratum germinativum is the layer where most ___ occurs in the epidermis.

Answer 9

mitosis

Question 10

true skin, vascular and neural supply, two layers

Answer 10

dermis

Question 11

Accessory structures of the skin are imbedded in the ___.

Answer 11

dense irregular connective tissue

Question 12

most deep layer of the dermis

Answer 12

reticular

Question 13

The most superficial layer of the dermis is the ____ layer.

Answer 13

papillary

Question 14

formed by orientation of collagen fibers in dermis, surgeons attempt to cut with lines because of benefits associated with healing

Answer 14

lines of cleavage

Question 15

Fingerprints are formed by ____.

Answer 15

dermal ridges

Question 16

produce hairs

Answer 16

hair follicles

Question 17

The hair ___ is visible above the surface of the skin.

Answer 17

shaft

Question 18

part of the hair NOT visible above the surface of the skin

Answer 18

hair root

Question 19

when hairs stand up straight via contraction of arrector pili muscles

Answer 19

piloerection

Question 20

Piloerection is activated by the ____.

Answer 20

arrector pili muscles

Question 21

glands that empty product via duct,

assist in thermoregulation, excrete waste, lubricate epidermis

Answer 21

exocrine glands

Question 22

secrete oily lipid (sebum) that coats hair shaft and follicles

Answer 22

sebaceous glands

Question 23

glands that secrete sebum into hair follicle

Answer 23

follicular sebaceous glands

Question 24

Hair follicles are associated with ___ glands that produce oil.

Answer 24

follicular sebaceous

Question 25

glands that secrete sebum onto skin surface

Answer 25

surface sebaceous glands

Question 26

exocrine glands that produce watery solution

Answer 26

sweat glands

Question 27

glands associated with puberty; axillary, pubic, and areolar; mammary (milk); ceruminous (earwax)

Answer 27

apocrine

Question 28

____ glands produce earwax.

Answer 28

ceruminous

Question 29

Thermoregulation is the result of activity of ____ sweat glands.
produce sweat to cool surface of skin

Answer 29

eccrine (merocrine)

Question 30

protect and support tips of fingers and toes; grow from nail bed, flattened, very keratinized, likely evolved from claws

Answer 30

nails

Question 31

Epidermis on the proximal surface of the nail is ___.

Answer 31

eponychium

Question 32

The crescent shaped proximal area of the nail is the ____.

Answer 32

lunula

Question 33

Adipose is stored in the ____ layer of the skin.

Answer 33

hypodermis

Question 34

process where skin becomes thinner, lose fat, etc.

Answer 34

aging