Bio II Study Guide 1

Question 1

outer portion of skin

Answer 1

epidermis

Question 2

the integumentary system consists of

Answer 2

skin, hair, nails, and glands

Question 3

skin is thinnest where

Answer 3

eyelids

Question 4

is the skin waterproof

Answer 4

true

Question 5

dense irregular connective tissue

Answer 5

dermis

Question 6

two layers of skin

Answer 6

epidermis & dermis

Question 7

what are lines of cleavage

Answer 7

collage & fibers in the dermis are lined up, so they tend to lie solely in one direction

Question 8

what is the hair matrix

Answer 8

cells undergo mitosis & differentiate or specialize to become apart of a region of the hair

Question 9

loose connective tissue underneath dermis

Answer 9

hypodermis

Question 10

upper part of dermis is called

Answer 10

papillary layer

Question 11

the epidermis has its own blood supply

Answer 11

false

Question 12

thickest part of skin

Answer 12

back & shoulders

Question 13

from bottom to top name the layers of the epidermis

Answer 13

stratum basale
stratum spinosum
stratum granulosum
stratum lucidum
stratum corneum

Question 14

cells that produce a class of pigment

Answer 14

melanocytes

Question 15

class of pigment is called

Answer 15

melanin

Question 16

two types of melanin pigments

Answer 16

eumelanin
pheomelanin

Question 17

long extensions of the melanocytes

Answer 17

processes

Question 18

three concentric layers of hair

Answer 18

medulla
cortex
cuticle

Question 19

tiny pocket that hair grows from

Answer 19

hair follicle

Question 20

base of hair root

Answer 20

hair bulb

Question 21

two types of keratin

Answer 21

hard keratin
soft keratin

Question 22

layer of skin that contain keratinized cells

Answer 22

stratum granulosum

Question 23

layer of skin that contains the papillae

Answer 23

dermis

Question 24

function of sweat glands

Answer 24

to cool the body down

Question 25

layer of epidermis cells are still alive in

Answer 25

stratum basale
stratum spinosum

Question 26

function of the sebaceous glands

Answer 26

helps keep the skin & hair moist and conditioned

Question 27

concentric layer of hair, contains cells of soft keratin

Answer 27

medulla

Question 28

concentric layer of hair, contains hard keratin

Answer 28

cortex

Question 29

how does hair follicles or sweat glands help heal bad burns

Answer 29

can help replace the epithelial tissue of the epidermis

Question 30

kinds of glands that are sweat glands

Answer 30

merocrine

Question 31

kinds of glands that are sebaceous glands

Answer 31

holocrine

Question 32

dermis is located

Answer 32

middle

Question 33

skin is composed of what layers

Answer 33

epidermis
dermis

Question 34

hair cells with no keratin can be found

Answer 34

matrix

Question 35

epidermis is located

Answer 35

top

Question 36

do the secretions of the apocrine sweat gland contain cellular material

Answer 36

yes

Question 37

part of fingernail between nail fold & plate

Answer 37

cuticle

Question 38

why do some cuts heal quickly while others that are deeper don’t

Answer 38

Determines how you get cut regarding the lines of cleavage

Question 39

fingerprints are formed from ridges on

Answer 39

epidermis