Chapter 5 Flashcards

1
Q

Integumentary consists of the? (4)

A
  • Skin
  • Hair
  • Glands
  • Nails
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2
Q

Integument means?

A

Covering

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3
Q

Functions of Integ System: (5)

A
  • Protection
  • Sensation
  • Vitamin D production
  • Temperature Regulation
  • Excretion
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4
Q

2 major tissue layers of skin:

A
  • Epidermis
  • Dermis
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5
Q

Most superficial layer of skin

A

Epidermis

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6
Q

Layer of dense connective tissue

A

Dermis

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7
Q

What is not part of the skin?

A

Subcuteaneous tissue

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8
Q

Prevents water loss and resists abrasion

A

Epidermis

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9
Q

Known as the cutaneous membrane and is keratinized stratified squamous epithelium

A

Epidermis

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10
Q

The epidermis is composed of distinct layers called?

A

Strata

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11
Q

What do you call excessive sloughing of stratum corneum cells from the surface of the scalp

A

dandruff

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12
Q

A thickened area produced by a skin sibjected to friction so the number of layers in the stratum corneum greatly increases

A

Callus

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13
Q

Cone shaped structure formed by stratum corneum

A

Corn

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14
Q

Tension lines in the skin that are more resistant to stretch

A

Cleavage lines

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15
Q

Are projections toward the epidermis found in the upper part of the dermis

A

Dermal Papillae

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16
Q

2 primary pigments of the skin:

A
  • Melanin
  • Carotene
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17
Q

Group of pigments primarily responsible for skin, hair, and eye color

A

Melanin

18
Q

A yellow pigment found in plants like squash and carrots

A

Carotene

19
Q

Melanin is produced by melanocytes and then packaged into vesicles called?

A

Melanosomes

20
Q

A decrease in the blood O2 content produces a bluish color of the skin called?

A

Cyanosis

21
Q

Most common cancer

A

Skin cancer

22
Q

The subcutaneous tissue which is not a part of the skin is sometimes called as?

A

Hypodermis

23
Q

Each hair arises from a ______, an investigation of the epidermis that extends deep into the dermis

A

hair follicle

24
Q

A ______ protrudes above the surface of the skin

A

Hair shaft

25
Q

The _______ is below the surface and the _______ is the expanded base of the root

A
  • Root
  • Hair bulb
26
Q

A hair has a hard _______, which surrounds a softer center called?

A
  • Cortex
  • Medulla
27
Q

The cortex is covered by the?

A

Cuticle

28
Q

T or F:
The hair is produced in the hair bulb, which rests on the hair papilla

A

True

29
Q

Is an extension of the dermis that protrudes into the hair bulb and contains blood vessels

A

Hair papilla

30
Q

During what stage is the hair formed by mitosus of epithelial cells within the hair bulb

A

Growth stage

31
Q

During what stage does the growth stop and the hair is held in the hair follicle

A

Resting stage

32
Q

Each hair follicle is attached to smooth muscle cells called the _______ which can contract and cause the hair to become perpendiculat to the skin’s surface

A

Arrector Pili muscle

33
Q

What are the major glands of the skin?

A
  • Sebaceous glands
  • Sweat glands
34
Q

An oily, white substance rich in lipids

A

Sebum

35
Q

Simple, branched acinar glands, with most being connected by a duct to the superficial part of a hair follicle

A

Sebaceous gland

36
Q

Two kinds if sweat glands:

A
  • Eccrine
  • Apocrine
37
Q

Simple, coiled, tubular glands and release sweat by merocrine secretion

A

Eccrine

38
Q

Are simple, coiled, tubular glands that produce a thick secretion rich in organic substances

A

Apocrine

39
Q

A thin plate, consisting of layers of dead stratum corneum cells that contain a very hard type of keratin

A

Nails

40
Q

In order to maintain _______, the body must rid itself of excess heat

A

Homeostasis

41
Q

A yellowish, skin color

A

Jaundice

42
Q

A procedure where the epidermis and part of the dermis are removed from another part of the body and placed over the burn

A

Split skin graft