integumentary system

Question 1

composed of keratinized,

stratified squamous epithelium

Answer 1

epidermis

Question 2

most superficial of the stratum; contains

dead squamous cells filled with keratin

Answer 2

stratum corneum

Question 3

smooth and seemingly translucent layer of the epidermis located above stratum granulosum and below stratum corneum

Answer 3

stratum lucidum

Question 4

has a grainy appearance due to further changes to the keratinocytes as they are pushed from the stratum spinosum

Answer 4

stratum granulosum

Question 5

spiny in appearance due to the protruding

cell processes that join cells via desmosome

Answer 5

stratum spinosum

Question 6

deepest stratum and consists of cuboidal or

columnar cells that undergo mitotic division about every 19 days

Answer 6

stratum basale

Question 7

a connective tissue containing fibroblasts, a few

adipocytes, and macrophages

Answer 7

dermis

Question 8

main tissue fiber

Answer 8

collagen

Question 9

group of pigments primarily responsible for skin,

hair, and eye color

Answer 9

melanin

Question 10

yellow pigment found in plants such as squash and

carrots and is a source of vitamin A; if large amounts are consumed, the skin can become dark yellowish

Answer 10

carotene

Question 11

imparts a reddish hue, and when the blood increases, the red color intensifies

Answer 11

blood

Question 12

yellowish skin color caused by liver damage by a

disease such as viral hepatitis

Answer 12

jaundice

Question 13

involves only the epidermis; red

and painful

Answer 13

first degree burn

Question 14

damages both the epidermis and
dermis; symptoms include redness, pain, edema, and
blisters

Answer 14

second degree burn

Question 15

epidermis and dermis are
completely destroyed, and deeper tissues may be
involved; recovery occurs from the edges of the burn
wound

Answer 15

third degree burn