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biology > integumentary system > Flashcards

integumentary system Flashcards

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1
Q

what are the 3 main layers of the skin?

A

epidermis, dermis, subcutaneous layer

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2
Q

Which layer of the skin does not contain blood vessels?

the epidermis
the hypodermis
the dermis

A

the epidermis

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3
Q

What is the function of a skin pore?

to grow hair
to secrete sweat
to produce sweat

A

to secrete sweat

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4
Q

Which organ produces hair?

the skin
the hair follicle
the hair fibre

A

the hair follicle

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4
Q

Which organ produces hair?

the skin
the hair follicle
the hair fibre

A

the hair follicle

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5
Q

Which layer of the skin does NOT contain blood vessels?

epidermis
hypodermis
dermis

A

epidermis

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6
Q

In which layer of the skin are melanocytes located?

hypodermis
epidermis
dermis

A

epidermis

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6
Q

In which layer of the skin are melanocytes located?

hypodermis
epidermis
dermis

A

epidermis

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7
Q

What is the function of an adipocyte?

fat production
fat degradation
fat storage

A

fat storage

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8
Q

Which of these body parts does NOT contain melanin?

nails
hair
skin

A

nails

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8
Q

Which of these body parts does NOT contain melanin?

nails
hair
skin

A

nails

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9
Q

What is the function of a pore?

to grow hair
to secrete sweat
to produce sweat

A

to secrete sweat

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10
Q

What is sebum?

sweat
a hormone
an oily substance secreted onto hair

A

an oily substance secreted onto hair

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11
Q

What is sebum?

sweat
a hormone
an oily substance secreted onto hair

A

an oily substance secreted onto hair

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12
Q

Sweat glands are located in the …

dermis
epidermis
hypodermis

A

dermis

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12
Q

Sweat glands are located in the …

dermis
epidermis
hypodermis

A

dermis

13
Q

What type of tissue is the main component of the dermis?

fatty tissue
connective tissue
soft tissue

A

connective tissue

13
Q

What type of tissue is the main component of the dermis?

fatty tissue
connective tissue
soft tissue

A

connective tissue

14
Q

Where are hair roots located within the skin?

in the hypodermis
in the epidermis
in the dermis

A

in the dermis

15
Q

What substance are nails made of?

keratin
melanin
collagen

A

keratin

16
Q

Which is NOT part of the connective tissue in the dermis?

keratinocytes
collagen
elastin

A

keratinocytes

17
Q

Which of these is NOT a function of hair?

to sense movement
to secrete sweat
insulation

A

to secrete sweat

18
Q

Which type of layer separates the epidermis from the dermis?

a layer of fat
a basement membrane
a layer of fluid

A

a basement membrane

19
Q

How does the epidermis absorb oxygen?

by diffusion from capillary beds
it does not need oxygen
by diffusion with the surrounding air

A

by diffusion with the surrounding air

20
Q

What type of cell provides the physical barrier of the skin?

keratinocytes
melanocytes
adipocytes

A

keratinocytes

21
Q

What type of epithelium is the epidermis composed of?

pseudostratified epithelium
stratified squamous epithelium
simple columnar epithelium

A

stratified squamous epithelium

22
Q

Which of the following is NOT a type of adipose tissue?

brown adipose tissue
white adipose tissue
black adipose tissue

A

black adipose tissue

23
Q

Sebum is secreted from the …

salivary gland
sebaceous gland
pituitary gland

A

sebaceous gland

24
Q

What are the immune cells in the epidermis called?

langerhans cells
macrophages
neurons

A

langerhans cells

25
Q

What is the function of the connective tissue in the dermis?

to give the skin rigidity
to make the skin waterproof
to give flexibility to the skin

A

to give flexibility to the skin

26
Q

UVB radiation damage can cause which of the following?

malignant melanoma
lymphoma
sunburn

A

malignant melanoma

27
Q

What is the function of piloerection?

to secrete sebum
to trap warm air between hairs
to trap cold air between hairs

A

to trap warm air between hairs

28
Q

What is the function of piloerection?

to secrete sebum
to trap warm air between hairs
to trap cold air between hairs

A

to trap warm air between hairs

29
Q

What is the function of the arrector pili muscle?

to flatten down hairs
to secrete sebum
to make hairs stand on end

A

to make hairs stand on end

biology (13 decks)

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