Lecture Exam 1 (integumentary)

Question 1

integumentary system accessory structures

Answer 1

nails, hair, exocrine glands

Question 2

consists of epidermis and top papillary of the dermis

Answer 2

cutaneous membrane

Question 3

function of integument

Answer 3

physical protection, regulation of body temp., excretion, nutrition, sensation, and immune defense

Question 4

skin layers

Answer 4

epidermis and dermis

Question 5

loose CT proper

Answer 5

dermis

Question 6

consist of stratified squamous epithelium

Answer 6

epidermis

Question 7

most abundant cell in epidermis, waterproof the skin, UV protectant, protection

Answer 7

keratinocytes

Question 8

sensory cells that detect pressure, only in epidermis

Answer 8

merkel cells

Question 9

resting wandering dendritic (tentacles) macrophages” immune

Answer 9

langerhans cells

Question 10

thick skin

Answer 10

palms and soles

Question 11

skin color is produced by

Answer 11

dermal blood supply and epidermal pigment content

Question 12

decreased blood flow =

Answer 12

pale

Question 13

increased blood flow =

Answer 13

pink “blush”

Question 14

orange pigment found in some vegetables

Answer 14

carotene

Question 15

dark pigment produced by melanocytes

Answer 15

melanin

Question 16

yellow skin discoloration caused by breakdown of red blood cells. sign to underlying pathology mostly in liver.

Answer 16

jaundice

Question 17

epithelial tumor arising from the epidermis, least invasive

Answer 17

basal cell carcinoma

Question 18

form of keratinocytic skin cancer consisting of squamous epithelial cells arising from epidermis and extending to dermis, can metastasize

Answer 18

squamous cell carcinoma

Question 19

uncontrolled growth of melanocytes found in epidermis

Answer 19

melanoma`

Question 20

separates lining of epidermis from dermis. anchors them together and is the barrier between the two

Answer 20

basement membrane

Question 21

top layer of basement membrane

Answer 21

basal lamina

Question 22

mixture of areolar CT and dense irregular CT

Answer 22

dermis

Question 23

loose areolar CT, bottom of cutaneous membrane, abundant blood vessels and neural tissue found here.

Answer 23

papillary layer

Question 24

blood vessels, glands, muscles, hair follicles, and nerves. consist of dense irregular CT

Answer 24

reticular layer

Question 25

network of deep blood vessels at border of reticular and subcutaneous layer

Answer 25

cutaneous plexus

Question 26

branch network of blood vessels just below the epidermis and above cutaneous plexus

Answer 26

papillary plexus

Question 27

mixture of areolar and adipose tissues.

Answer 27

subcutaneous layer

Question 28

hair follicles form?

Answer 28

hair

Question 29

functions of hair

Answer 29

protection, trapping of particles, provide sensation, trap heat

Question 30

fine colorless hair that covers most of body

Answer 30

vellus haris

Question 31

thin, colored hairs common on limbs and groin

Answer 31

intermediate hairs

Question 32

course, pigmented hairs found of head and face

Answer 32

terminal hairs

Question 33

discharge oil into hair to protect, condition, and waterproof the follicles and skin

Answer 33

sebaceous glands

Question 34

give off odor, found in axillae, around nipples, and in groin

Answer 34

apocrine sweat glands

Question 35

mostly on palms and soles. no odor

Answer 35

merocrine sweat glands

Question 36

sweat functions

Answer 36

reduces body temp., excretion, protection

Question 37

milk-producing glands found in breasts

Answer 37

mammary glands

Question 38

sweat glands in the external auditory canal

Answer 38

ceruminous glands