Brainscape's Knowledge GenomeTM

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


See full index

DPT 503 > Integumentary System - Functions Of Skin > Flashcards

Integumentary System - Functions Of Skin Flashcards

1
Q

Skin is ____ and foremost a _______ .

A

First
Barrier

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

Skins main functions include:

A
  • protection
  • body temperature regulation
  • cutaneous sensations
  • metabolic functions
  • blood reservoir
  • excretion of wastes
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Skin constitutes three barriers:

A

Chemical barrier
Physical barrier
Biological barrier

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

Skin secretes many chemicals such as:

A

Sweat
Sebum
Defensins

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

Sweat contains . . .

A

Antimicrobial proteins

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

Sebum & defensins kills _________ .

A

Bacteria

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

Acid mantle is ____________ of skin retards _____________________ .

A

Low pH
Bacterial multiplication

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

_________ provides a _________ barrier against UV radiation damage.

A

Melanin
Chemical

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

Physical barrier is made up of _______, ______, __________ cells of ____________, surrounded by __________, block most ______ and ______________ substances.

A

Flat, dead, keratinized
Stratum corneum

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

Biological barrier is ___________ which contains ___________ cells.

A

Epidermis
Phagocytic

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

Dermis contains ___________ . They also activate _______________ by presenting foreign antigens to white blood cells.

A

Macrophages
Immune system

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

_______ can absorb harmful UV radiation, converting it to harmless heat.

A

DNA

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

Under normal, resting body temperature, sweat glands produce about ____________ of unnoticeable sweat.This is called ____________ .

A

500 ml/day
Insensibleperspiration

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

If body temperature rises, dilation of dermal vessels can increase sweat gland activity to produce _________ of noticeable sweat. This is called _____________________ .

A

12 L (3 gallons)
Sensible perspiration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

In cold external environment dermal blood vessels _________ .

A

Constrict

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

____________________ receptors are part of the nervous system.

A

Cutaneous sensory

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

__________ respond to stimuli outside body, such as _________ and ______ .

A

Exteroreceptors
Temperature
Touch

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

___________________ sense ________ stimuli.

A

Free nerve endings
Painful

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

Skin can synthesize vitamin ______ needed for calcium absorption in intestine.

A

Vitamin D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Chemicals from _________ can disarm some ___________ .

A

Keratinocytes
Carcinogens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

_________ can activate some ____________ .

A

Keratinocytes
Hormones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Skin makes _____________, which aids in natural turnover of _______ to prevent __________ .

A

Collagenase
Collagen
Wrinkles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Skin can hold up to ______ of the body’s total blood volume.

A

5%

24
Q

Skin vessels can be ________ to shunt blood to other ____, such as an __________ muscle.

A

Constricted
Organs
Exercising

25
Q

Skin can secrete limited amounts of _________________, such as _______, ______, and ______________ .

A

Nitrogenous wastes
Ammonia, urea, and Uric acid

26
Q

Sweating can cause _____ and ______ loss

A

Salt and water

27
Q

Less common, but more damaging skin developments are:

A

Skin cancer
Burns

28
Q

Most skin tumors are _______ and do not ________.

A

Benign
Metastasize

29
Q

Risk factors of skin cancer:

A

Overexposure to UV radiation
Frequent irritation of skin

30
Q

three major types of skin cancers are:

A

Basal cell carcinoma
Squamous cell carcinoma
Melanoma

31
Q

Basal cell carcinoma is _______ malignant and ______ common.

A

Least
Most

32
Q

In basal cell carcinoma _____________ cells proliferate and slowly invades _______ and ____________ .

A

Stratum basale cells
Dermis & hypodermis

33
Q

Cured by _______________ in 99% of cases.

A

Surgical excision

34
Q

Squamous cell carcinoma is ___________ common; can _________.

A

Second most
Metastasize

35
Q

Squamous cell carcinoma involves __________ of ______________ .

A

Keratinocytes
Stratum spinosum

36
Q

Usually is a scaly reddened papule on ______, ____, __________ or ______ .

A

Scalp, ears, lower lip or hands

37
Q

Squamous cell carcinoma is treated by __________ or __________ .

A

Radiation therapy
Removed surgically

38
Q

Melanoma is the cancer of ___________ and is the most dangerous type because . . .

A

Melanocytes
It is highly metastatic & resistant to chemotherapy

39
Q

Melanoma - ABCD rule :

A

A - asymmetry
B - border
C - color
D - diameter

40
Q

Burns are tissue damage caused by _____ , _________, _________, or ________________ .

A

Heat
Electricity
Radiation
Certain chemicals

41
Q

Immediate threat to burns is _________ and _________________. Which can lead to ________ and _________________ .

A

Dehydration and electrolyte imbalance
Renal shutdown and circulatory shock

42
Q

Burns can be classified by __________ .

A

Severity

43
Q

Superficial burns are ____________ only

A

Epidermal damage

44
Q

Superficial partial-thickness / deep partial thickness burns are _________ and _____________ damage. ________ appear.

A

Epidermal and upper dermal
Blisters

45
Q

Full thickness burns are entire thickness of skin involved through the ___________ tissues. Area is not painful because __________ are destroyed.

A

Subcutaneous
Nerve endings

46
Q

Burns are considered critical if:

A

> 20% of body has deep-partial thickness burns
10% of body has full thickness burns
Face, hands, or feet bear full thickness burns

47
Q

Burn treatment includes:

A

Debridement
Antibiotics
Temporary covering
Skin grafts

48
Q

Development of Skin - Fetal: by end of ___ month, skin of fetus is developed.

A

4th

49
Q

Lanugo coat:

A

Delicate hairs in 5th and 6th month

50
Q

Vernix caseosa:

A

Sebaceous gland secretion that protects skin of fetus while in watery amniotic fluid

51
Q

Infancy to adulthood: skin ________ and accumulates more ________________; sweat and sebaceous gland activity ________, leading to ______.

A

Thickens
Subcutaneous fat
Increases
Acne

52
Q

In aging skin _____________ slows; skin becomes ______, ____, and ________.

A

Epidermal replacement
Thin, dry, and itchy

53
Q

In aging skin subcutaneous fat and elasticity ________, leading to ___________ and _________.

A

Decrease
Cold intolerance and wrinkles

54
Q

The skin plays a role in the manufacture of vitamin ______.
a) A
b) B
c) C
d) D

A

D) D

55
Q

What is the immediate threat from severe burns?

A) Bacterial infection
B) Inadequate body temperature maintenance
C) Loss of water and electrolytes
D) Scarring

A

C) Loss of water and electrolytes

56
Q

Which of the following types of skin cancer is the most dangerous?

A) Basal cell
B) Squamous cell
C) Melanoma
D)All are equally dangerous.

A

C) Melanoma

57
Q

Which of the following is not true for the skin in old age?

A) It is less susceptible to bruising
B) The rate of epidermal cell replacement slows
C) The skin thins
D) Secretions from glands decrease

A

A) It is less susceptible to bruising

DPT 503 (14 decks)

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