Ch. 5 Integumentary System Flashcards

1
Q

A slight sunburn is an example of a _____ burn.

A

First-Degree

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2
Q

Epidermis is characterized by being _______, whereas dermis is distinguished by being ______.

A

composed of stratified epithelial tissue; composed of connective tissue

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3
Q

An abrasion of the skin results in which of the following?

A

portal of entry of micrrorganisnm

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4
Q

A malfunction of the process of keratinization results in the condition known as

A

psoriasis

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5
Q

The diagram illustrates glands of the skin. What does “C” represent?

A

Eccrine Sweat Gland

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6
Q

Albinism develops due to

A

inherited mutant gene for melanin

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7
Q

In which layer of the epidermis are granules of keratohyalin formed?

A

Stratum Granulosum

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8
Q

The epidermis

A

Contains no blood vessels (avascular)

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9
Q

Acne is caused by

A

testosterone

sebum

abnormal keratinization of follicles

Propionibacterium

*All of these are factors

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10
Q

Eccrine sweat glands

A

aid in cooling the body

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11
Q

Integumentary System consists of what?

A

Skin, hair, glands and nails

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12
Q

What are the functions of integumentary system?

A
  1. Protection- Helps protect and reduces the harmful effects of the ultraviolet light
  2. Sensation- Has sensory receptors that can detect heat, cold, pressure and pain,
  3. Temperature Regulation
  4. Vitamin D production
  5. Excretion
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13
Q

List the 5 layers of epidermis

A
  1. Stratum Corneum
  2. Stratum Lucidum
  3. Stratum Graulosum
  4. Stratum Spinosum
  5. Straum Basale
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14
Q

What layer are they keratohyalin granules found in the 5 layers of epidermis?

A

Stratum Granulosum

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15
Q

Albinism

A

Is usually a recessive genetic trait that results from inability to produce tyrosinase

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16
Q

The blush tinge of skin due to a reduction of oxygen in the blood is called

A

cyanosis

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17
Q

Melanin

A

Is the group of pigments primarily responsible for skin, hair, and eye color

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18
Q

All the following statements concerning hair are true except one. Identify the exception.

The growth rate of all types of hair is the same

Hair growth occurs in cycles, with growth and resting stages.

In pattern baldness, those hair follicles present begin to produce vellus hair.

Some loss of hair is normal and indicates old hairs are being pushed out by new hairs.

A

*The growth rate of all types of hair is the same

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19
Q

Eccrine sweat glands differ from sebaceous glands

in terms of what is secreted

in their location in the body

because sebaceous glands are associated with hair follicles, whereas sweat glands are not

all of the above

A

all of the above

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20
Q

The diagram illustrate glands of the skin. What does “A” represent?

A

Sweat Pore

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21
Q

If you accidentally cut your arm and see connective tissue and fat, which layer(s) was/were cut

stratum corneum

stratum basale

dermis

hypodermis

all of these layers

A

*all of these layers

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22
Q

What does the structure “B” represent on the diagram?

A

Dermis

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23
Q

On coming inside from the cold, students notice that their checks are red. This results form

A

dilation of the blood vessels in the dermis of the cheeks

also known as vasodilation

24
Q

By covering the whole surface skin acts as a protective barrier and plays a role in

A

Excretion

25
Q

Keratinocytes

A

are responsible for the reduction of water loss form the skin

26
Q

Another name for a bedsore

A

decubitus ulcer

27
Q

As cells are pushed from the deeper portion of the epidermis toward the surface they ( 5 layers picture)

A

Are replaced by dividing cells from below

28
Q

As cells are pushed from the deeper portion of the spiders toward the surface they ( 5 layers picture )

A

Are replaced by dividing cells from below

29
Q

Body odor results from secretions from the ____ sweat glands.

A

Apocrine

30
Q

Excessive shedding of this layer of the epidermis of the scalp is responsible for dandruff

A

Stratum Corneum

31
Q

Goose-bumps on the skin are due to the contraction of the muscle called

A

Arrector pilli muscle

32
Q

Melanin is produced only by

A

melanocytes

33
Q

In which of the following regions of the body are apocrine sweat glands most numerous?

A

Axilla and groin

34
Q

In cold weather ____ may result from reduced blood circulation through the skin.

A

Cyanosis

35
Q

Fingertips and footprints are produced by projections into the epidermis called

A

Dermal papillae

36
Q

Melanin

A

is absent in individuals known as albinos

37
Q

Keratinization

A

produces layer of cells that resists abrasion

38
Q

What does structure “C” represent on the diagram?

A

Hypodermis

39
Q

All of the following substances can contribute to the color of skin. Of these, only ___ is of dietary origin.

A

Carotene

40
Q

The diagram illustrates glands of the skin. What does “E” represent?

A

Duct of apocrine sweat gland

41
Q

The diagram illustrates glands of the skin. What does “D” represent?

A

Apocrine sweat gland

42
Q

A yellow pigment derived from plants that can impart a yellow color to the skin is

A

Carotene

43
Q

An increase in body temperature causes

A

sweating

44
Q

Exposure to ultraviolet light causes the skin to darken by stimulating the

A

activity of the enzyme tyrosinase

45
Q

A plastic surgeon would most likely make a skin incision:

A

Parallel to the cleavage lines

46
Q

Due to the contraction of smooth muscle in the walls of dermal blood vessels

A

body heat is conserved

47
Q

baldness

A

is more common in men than in women

48
Q

The figure illustrates keratinization in the epidermis. What layer of the epidermis is “A”?

A

Stratum Corneum

49
Q

A subcutaneous injection delivers medication into the

A

Hypodermis

50
Q

In which layer of the epidermis are lamellar bodies formed inside keratinocytes?

A

Stratum Spinosum

51
Q

Nail cells are produced by the

A

nail matrix

52
Q

nails

A

protect the ends of digits

53
Q

What does structure “D” represents on the diagram?

A

Arrector pilli muscle

54
Q

What does structure “D” represent on diagram?

A

Arrector pilli muscle

55
Q

What doe structure “E” represent on the diagram?

A

Hair Follicle

56
Q

What does structure “A” represent on the diagram?

A

Sebaceous Gland (Secretes oil) Example hair

57
Q

The integumentary system has many functions, one of which is

A

Detection of heat and touch