Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy and Physiology > Epidermis-Skin > Flashcards

Epidermis-Skin Flashcards

1
Q

what are the 2 parts of the integumentary system

A

epidermis

dermis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

superficial portion

composed of connective tissue

A

epidermis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

deep layer composed of connective tissue

A

dermis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

deep layer to dermis and not part of skin

A

subcutaneous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the four types of epidermis cells

A

keratinocytes
melanocytes
langerhans
merkel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

keratinocytes produce what protein?

A

keratin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

melanocytes produce what pigment?

A

melanin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

langerhans cells participate in?

A

immune responses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

merkel cells function in?

A

sensation of touch and pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

how many layers of the epidermis are there?

A

5

4 (if friction is excessive)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what happens if friction is excessive

A

a callus forms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is dermatology

A

medical speciality that deals with diagnosing and treating skin disorders

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

deepest layer
single layer of cells
where u can find stem cells
base layer

A

stratum basale

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

provides strength and flexibility

8-10 rows

A

stratum spinosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q 
transition layer (3-5 rows)
releases a lipid rich sealant (waterproof)
A

stratum granulosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

3-5 rows of dead cells
found in fingers, palms, and soles only
not all over body

A

stratum lucidum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

25-30 rows of dead cells
contains second lipid layer
continuously shedding
callus occur here

A

stratum corneum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

process of replacement of skin cells

A

keratinization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

skin functions

A 
thermoregulation 
protection
cutaneous sensations 
excretion
synthesis of vitamin D
20
Q

corpuscles of touch

free nerve endings

A

papillary layer

21
Q

connective tissue
collagen fiber bundles
elastic fibers

A

reticular region

22
Q

elastic and collagen fiber bundles provide?

A

strength, elasticity and extensibility

23
Q

ability to stretch

A

extensibility

24
Q

ability to return to original shape after stretching

A

elasticity

25
Q

epidermal ridges include?

A

increase friction

26
Q

accessory structures

A

hair, glands and nails,

27
Q

where do new hairs develop?

A

new hairs develop in the matrix of the bulb

28
Q

connected to hair follicles
absent in palms and soles of feet
produce sebum

A

sebaceous glands

29
Q

what does sebum do?

A

moisten hairs, soften skin, inhibits hair growth, rise to acne

30
Q

2 kinds of sudoriferous glands?

A

eccrine and apocrine

31
Q

sweat glands that excrete waste and regulate body temp

A

eccrine

32
Q

found in armpit and pubic regions

lays against hair follicle

A

apocrine

33
Q

ceruminous glands produce?

A

cerumen/wax

34
Q

functions of nails

A

grasping protection and scratching

35
Q

nails are?

A

hard keratinized epidermal cells

36
Q

tissue damage from excessive heat, electricity, radioactivity, or corrosive chemicals that destroys proteins in the exposed cells

A

burns

37
Q

burns destroy protection allowing for?

A

microbial invasion and infection
loss of fluid
loss of thermoregulation

38
Q

systemic effects of burns

A 
1 loss of H2O and plasma 
2 bacterial infection 
3 reduced circulation of blood
4 decreased production of urine
5 diminished immune responses
39
Q

surface epidermis only
mild pain
redness
no blisters

A

first degree burn

40
Q 
blisters 
epidermis and part of dermis
blisters
pain
some skin functions lost
A

second degree burn

41
Q

charred black part of body
destroys epidermis and dermis
skin functions all lost

A

3rd degree burn

42
Q

skin cancer: who can be affected?

A

EVERYONE

43
Q

78% rarely metastasizes

A

basal cell carcinoma

44
Q

20%

variable tendency to metastasize

A

squamous cell carcinoma

45
Q

2%
life threatening
metastasizes rapidly

A

malignant melanoma

46
Q

ABCDE

A 
asymmetrical
border
color
diameter
evolving
47
Q

risk factors for skin cancer

A 
1 skin type
2 sun exposure 
3 family history 
4 age
5 immunological status

Anatomy and Physiology (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions