Chapter 5 Flashcards

The Integumentary System

1
Q
The dermis is composed of the papillary layer and the \_\_\_\_\_\_\_\_\_\_\_.
	 cutaneous plexus
	 hypodermis
	 reticular layer
	 epidermis
A

reticular layer

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2
Q
What structure is responsible for the strength of attachment between the epidermis and dermis?
	 stratum corneum
	 stratum lucidum
	 basement membrane
	 epidermal ridge
A

epidermal ridge

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3
Q

The two components of the integumentary system are the

1. cutaneous membrane and hypodermis.
2. integument and hypodermis.
3. epidermis and superficial fascia.
4. cutaneous membrane and accessory structures.
5. epidermis and dermis.
A

cutaneous membrane and accessory structures.

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4
Q
The type of cells that form the strata in the epidermis are
	 dendritic cells.
	 adipocytes.
	 melanocytes.
	 keratinocytes.
	 fibroblasts.
A

keratinocytes

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5
Q
The tough "horny" superficial layer of the epidermis is known as the
	 stratum spinosum.
	 stratum granulosum.
	 stratum germinativum.
	 stratum lucidum.
	 stratum corneum.
A

stratum corneum.

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6
Q
Large quantities of keratin are found in the epidermal layer called the
	 stratum spinosum.
	 stratum lucidum.
	 stratum germinativum.
	 stratum corneum.
	 stratum granulosum.
A

stratum corneum.

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7
Q
Water loss due to evaporation of fluid that has penetrated through the skin is termed \_\_\_\_\_\_\_\_ perspiration.
	 latent
	 active
	 sensible
	 insensible
	 inactive
A

insensible

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8
Q
Characteristics of the epidermis include:
	 serves as UV radiation protection
	 contains desmosomes
	 multilayered
	 flexible
	 all of the answers are correct.
A

all of the answers are correct.

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9
Q

The epidermis of the skin is composed of which type of tissue?
areolar connective tissue
keratinized stratified squamous epithelium
transitional epithelium
simple squamous epithelium
nonkeratinized stratified squamous epithelium

A

keratinized stratified squamous epithelium

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10
Q
The layer of stem cells that constantly divide to renew the epidermis is the
	 stratum germinativum.
	 stratum granulosum.
	 papillary layer.
	 basal lamina.
	 stratum corneum.
A

stratum germinativum.

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11
Q
The protein that reduces water loss at the skin surface is
	 eleidin.
	 keratin.
	 melanin.
	 mucin.
	 collagen.
A

keratin.

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12
Q

Melanocytes _____________.

1. secrete melanin from the basal surface
2. store melanin in melanosomes
3. manufacture melanin from the amino acid alanine
4. are located in the stratum corneum
A
  1. store melanin in melanosomes
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13
Q
An albino individual lacks the ability to produce
	 eleidin.
	 melanin.
	 perspiration.
	 keratin.
	 carotene.
A

melanin.

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14
Q
Cyanosis signifies that a patient
	 has oxygen-starved skin.
	 has an allergic reaction.
	 has been exposed to cyanide.
	 has been kept out of the sun.
	 has had too much sun.
A

has oxygen-starved skin.

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15
Q
Jaundice is indicated by
	 an orange skin coloration.
	 a reddish skin coloration.
	 a bluish skin coloration.
	 a yellowish skin coloration.
	 a brown skin coloration.
A

a yellowish skin coloration.

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16
Q
Types of skin cancers include
	 squamous cell carcinoma.
	 malignant melanoma.
	 basal cell carcinoma.
	 actinic keratosis.
	 squamous cell carcinoma, malignant melanoma, and basal cell carcinoma.
A

squamous cell carcinoma,
malignant melanoma,
and basal cell carcinoma.

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17
Q

Epidermal growth factor stimulates __________.
growth
glandular secretion
mitosis
epidermal growth factor stimulates all of these processes.

A

epidermal growth factor stimulates all of these processes.

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18
Q

The epidermis receives blood from which of the following?
dermal arteries called the cutaneous plexus
dermal veins called the papillary plexus
dermal arteries called the papillary plexus
epidermal arteries

A

dermal arteries called the papillary plexus

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19
Q
The layer primarily responsible for the strength of the skin is the \_\_\_\_\_\_\_\_\_\_ layer.
	 papillary
	 epidermal
	 reticular
	 hypodermal
A

reticular

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20
Q
The skin layer just beneath the stratum germinativum is the \_\_\_\_\_\_\_\_\_\_ layer.
	 reticular
	 epidermal
	 hypodermal
	 papillary
A

papillary

*stratum germinativum = stratum basale

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21
Q
Skin inflammation that primarily involves the papillary layer is termed
	 papillitis.
	 superficialis.
	 dermatitis.
	 epidermatitis.
	 melanocytis.
A

dermatitis.

*in the DERMAL layer

22
Q
The protein that permits stretching and recoiling of the skin is
	 elastin.
	 melanin.
	 keratin.
	 carotene.
	 collagen.
A

elastin.

23
Q
Which of the following is NOT part of the cutaneous membrane?
	 epidermis
	 hypodermis
	 reticular layer
	 papillary layer
A

hypodermis

*deepest layer

24
Q

Which accessory structure is NOT found within the dermis?
tactile corpuscle
sebaceous gland
lamellated corpuscle
arrector pili muscle
all of the listed structures are found within the dermis

A

all of the listed structures are found within the dermis

25
Q

What structures do you find within the hypodermis?
hair shaft and pores of sweat glands
sebaceous glands and sweat glands
fat and the cutaneous plexus
hair follicles and arrector pili muscles

A

fat and the cutaneous plexus

26
Q

The papillary layer is more superficial than the reticular layer of dermis. True or false?
True
False

A

True

27
Q

Stretch marks occur when
the skin is stretched in normal movements.
the hair follicles cease to produce hairs.
surgical incisions are made perpendicular to the skin’s lines of cleavage.
athletes overextend a muscle.
the skin is so extensively stretched that its elastic limits are exceeded.

A

the skin is so extensively stretched that its elastic limits are exceeded.

28
Q
The skin layer that contains areolar connective tissue is the \_\_\_\_\_\_\_\_\_\_ layer.
	 epidermal
	 reticular
	 keratin
	 hypodermal
A

hypodermal

29
Q
Which of the following glands secretes oil into the hair follicle?
	 ceruminous
	 sebaceous
	 apocrine
	 eccrine
A

sebaceous

30
Q
The layer of soft keratin within the hair shaft is the \_\_\_\_\_\_\_\_\_\_\_.
	 cuticle
	 root
	 medulla
	 hair bulb
A

medulla

31
Q
The soft core of a hair is the \_\_\_\_\_\_\_\_\_\_.
	 cortex
	 medulla
	 follicle
	 cuticle
A

medulla

32
Q
When the arrector pili muscles contract,
	 the skin changes color.
	 shivering occurs.
	 hairs are shed.
	 sweat is released from sweat glands.
	 "goose bumps" are formed.
A

“goose bumps” are formed.

33
Q
Which of the following glands secretes sweat into the hair follicle?
	 ceruminous
	 sebaceous
	 eccrine
	 apocrine
A

apocrine

34
Q
Cerumen is produced by glands located in the \_\_\_\_\_\_\_\_\_\_.
	 axilla
	 palms and soles
	 pubic area
	 ear canal
A

ear canal

35
Q
Merocrine sweat glands are most abundant in the \_\_\_\_\_\_\_\_\_\_.
	 axilla
	 ear canal
	 hands
	 circumanal area
A

hands

36
Q

Where do APocriNe sweat glands exist?

A

Armpits
Pubic region
Nipples

37
Q
Sudoriferous glands are also called \_\_\_\_\_\_\_\_\_\_ glands.
	 sweat
	 sebaceous
	 ceruminous
	 mammary
A

sweat

38
Q
Which of the following types of glands lubricates the hair shafts?
	 apocrine sweat glands
	 ceruminous glands
	 sebaceous glands
	 merocrine sweat glands
A

sebaceous glands

39
Q
Which of the following types of glands helps cool the body?
	 ceruminous glands
	 merocrine sweat glands
	 apocrine sweat glands
	 sebaceous glands
A

merocrine sweat glands

40
Q
The \_\_\_\_\_\_\_\_ glands in the axilla become active at the time of puberty.
	 sebaceous
	 ceruminous
	 axillary
	 apocrine sweat
	 merocrine sweat
A

apocrine sweat

*Armpits (axillary)
Pubic region
Nipples

41
Q
Fingernails grow from which structure?
	 hyponychium
	 lunula
	 nail body
	 nail root
A

nail root

42
Q
The nail bed is covered by the \_\_\_\_\_\_\_\_\_\_\_.
	 nail root
	 nail body
	 nail cover
	 cuticle
A

nail body

43
Q
Collagen to repair a deep skin wound is produced by \_\_\_\_\_\_\_\_\_\_.
	 epidermal keratinocytes
	 epidermal fibroblasts
	 dermal fibroblasts
	 dermal macrophages
A

dermal fibroblasts

44
Q
The nail body covers the
	 hyponychium.
	 nail root.
	 nail bed.
	 lunula.
	 free edge.
A

nail bed.

45
Q
]During which phase of injury repair is the scab undermined by epidermal cells?
	 proliferation
	 maturation
	 migratory
	 inflammatory
A

proliferation

46
Q
Mast cells are triggering a response to injury during which phase of repair?
	 proliferation
	 maturation
	 inflammatory
	 migratory
A

inflammatory

47
Q

Put the phases or repair in order from start to finish:

         a. proliferation
         b. inflammatory
         c. maturation
         d. migratory
A

b. inflammatory
d. migratory
a. proliferation
c. maturation

48
Q
Shedding of the scab and completion of the epidermis occurs during which phase of injury repair?
	 maturation
	 proliferation
	 migratory
	 inflammatory
A

maturation

49
Q
The process of skin repair after injury begins with \_\_\_\_\_\_\_\_\_\_\_.
	 formation of granulation tissue
	 formation of a blood clot
	 formation of scar tissue
	 stem cell activation
A

formation of a blood clot

50
Q
The type of burn that may require a skin graft is a
	 partial-thickness burn.
	 epidermal burn.
	 first-degree burn.
	 third-degree burn.
	 second-degree burn.
A

third-degree burn.

51
Q

If a fair-skinned person is sunburned, why does his or her skin turn red?

1. Melanocytes increase production of red pigments.
2. The blood flow to the skin increases.
3. The number of red melanocytes in the skin increases.
4. Increased heat causes the skin to turn red.
5. The blood supply to the skin decreases.
A
  1. The blood flow to the skin increases.
52
Q
Damage to elastic fibers in the skin of the elderly results in \_\_\_\_\_\_\_\_\_\_.
	 wrinkles
	 infection
	 hair loss
	 skin dryness
A

wrinkles