chapter 5 lecture

Question 1

skin functions

Answer 1

thermoregulation, blood reservoir, protection of underlying structures, cutaneous (sensory) information, excretion and absorption, synthesis of vitamin D

Question 2

composition of the skin

Answer 2

layers of skin, hair, oil and sweat glands, nails, sensory receptors

Question 3

structure of skin

Answer 3

7% of total body weight, consists of Epidermis, Dermis, and Hypodermis

Question 4

epidermis

Answer 4

superficial layer (stratified squamous epi)

Question 5

dermis

Answer 5

connective tissue layer

Question 6

hypodermis

Answer 6

deeper areolar and adipose tissue

Question 7

gland definition

Question 8

endocrine gland

Question 9

exocrine gland

Question 10

glands arise from this tissue type

Answer 10

epithelial tissue

Question 11

carcinomas arise from this tissue type

Answer 11

epithelial tissue

Question 12

the internal and externa linings of the body

Answer 12

epithelial tissue

Question 13

covers body, lines organs, and body cavities (forms glands)

Answer 13

epithelial tissue

Question 14

all types are different, has specialized cells surrounded by a matrix

Answer 14

connective tissue

Question 15

specialized for contraction

Answer 15

muscle tissue

Question 16

types include skeletal, smooth, and cardiac

Answer 16

muscle tissue

Question 17

type of tissue includes neurons and neuroglia

Answer 17

nervous tissue

Question 18

specialized for communication

Answer 18

nervous tissue

Question 19

may be striated due to arrangement of cell proteins actin and myosin

Answer 19

muscle tissue

Question 20

tissue with functions including protection, secretion, and absorption

Answer 20

epithelial tissue

Question 21

bone and cartilage included

Answer 21

connective tissue

Question 22

where is the stratum basale found in this layer

Answer 22

epidermis

Question 23

what does the mnemonic “Californians Like Girls in String Bikinis”

Answer 23

stratum Corneum, stratum Lucidum, stratum Granulosum, stratum Spinosum,
stratum Basale

Question 24

merkel cells are found in this layer of the skin

Answer 24

epidermis

Question 25

the layer of integument is deep to the dermis

Answer 25

hypodermis

Question 26

layer of the skin that consists of keratinized stratified squamous epi

Answer 26

epidermis

Question 27

what provides support to neurons

Answer 27

neuroglia

Question 28

T or F: the chance of developing cancer in a particular tissue is related to the rate of cell division

Answer 28

True

Question 29

voluntary

Answer 29

controlled by nervous system

Question 30

involuntary

Answer 30

cannot be conscious controlled

Question 31

what joins cardiac muscle cells

Answer 31

intercalated disks

Question 32

what are fibrous connective tissue

Answer 32

bone and cartilage

Question 33

where is most nervous tissue concentrated

Answer 33

brain and spinal cord

Question 34

what is the fluid connective tissue consisting of formed elements and plasma

Answer 34

blood

Question 35

most common cartilage type in body

Answer 35

hyaline cartilage

Question 36

what types of tissue is most common cancers are derived of

Answer 36

nervous tissue

Question 37

what is layer of skin directly under corneum

Answer 37

lucidum

Question 38

reticular layer of dermis consists of what connective tissue

Answer 38

dense irregular

Question 39

loose connective tissue where cells enlarge and store fat

Answer 39

adipose

Question 40

connective tissue where the matrix is a liquid

Answer 40

blood, lymph

Question 41

most abundant and widespread type of sweat gland

Answer 41

eccrine/merocrine

Question 42

muscle tissue without striations, found in the walls of hollow organs

Answer 42

smooth muscle

Question 43

epithelial cell type found in skin

Answer 43

keratinocytes

Question 44

glands that produce earwax

Answer 44

ceruminous glands

Question 45

oil-producing gland that moisturizes and protects skin

Answer 45

sebaceous glands

Question 46

eccrine glands

Answer 46

palms, soles, forehead, armpits

Question 47

apocrine glands

Answer 47

armpits, groin, around the nipples

Question 48

endocrine

Answer 48

glands that secrete their products directly into blood

Question 49

exocrine

Answer 49

glands that secrete their products into ducts

Question 50

langerhans (dendritic cells) main function

Answer 50

immune

Question 51

cells that produce melanin

Answer 51

melanocytes

Question 52

glands that produce thin, watery fluids

Answer 52

serous glands

Question 53

what cavity is the pancreas in

Answer 53

thoracic

Question 54

types of glands that produce a mixture of mucus serous secretions

Answer 54

mixed exocrine glands

Question 55

burn classification involving epidermis only

Answer 55

first degree burns

Question 56

burn classification involving all 3 layers of skin

Answer 56

third degree burns

Question 57

burn classification involving epidermis and dermis

Answer 57

second degree burns

Question 58

deepest layer of epidermis

Answer 58

stratum basale

Question 59

layer with several layers of keratinocytes, also have dendritic (Langerhans) cells

Answer 59

stratum spinosum

Question 60

layer can be up to 30 layers and has dead scaly keratinized cells (top layer of epidermis)

Answer 60

stratum corneum

Question 61

consists of keratinocytes that have beginning to die off

Answer 61

stratum grandulosum

Question 62

thin layer only seen in thick skin and absent of organelles in cells (glassy layer)

Answer 62

stratum lucidum

Question 63

what hairs are replaced by lanugo (exmaple: scalp and eyebrows)

Answer 63

terminal hair