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Physiology & Anatomy > Chapter 6 Test Questions > Flashcards

Chapter 6 Test Questions Flashcards

1
Q

The _____ separates the epidermis from the dermis.

A

Basement Membrane

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2
Q

The youngest cells would be found in the stratum _____.

A

Basale

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3
Q

Cells that surround melanocytes may contain more melanin that the melanocytes because of the process of _____.

A

Cytocrine Secretion

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4
Q

The _____ structures are associated with detecting deep pressure within the skin.

A

Pacinian Corpuscles

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5
Q

The main tissue in the dermis is _____.

A

Irregular dense connective tissue

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6
Q

The part of the hair from the surface into the dermis is the _____.

A

Root

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7
Q

The darkness of hair is due mainly to _____.

A

Melanin Concentration

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8
Q 
The following belong together except which one?
A) acne vulgaris
B) alopecia
C) comedones
D) pustules
A

Alopecia (loss of hair)

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9
Q

Modified sweat glands, called _____ glands, secrete wax in the ear canal.

A

Ceruminous

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10
Q 
Choose the response that the body employs to raise body temperature only when the others listed have failed.
A) constricted skin blood vessels
B) sweat glands inactivated
C) slight skeletal muscle contraction
D) full body shivering
A

Full Body Shivering

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11
Q

A(n) _____ is the transplanting of one’s own skin from an unburned region of the body to a burned area.

A

Autograft (auto = self)

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12
Q

The strength of the dermis would mainly be due to _____.

A

The presence of collagen fibers

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13
Q

Where is the greatest amount of keratin found?

A

Stratum Corneum

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14
Q

The stratum basale is also called the stratum _____.

A

Germinativum (where something germinates)

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15
Q

Calluses are thickened areas that are formed in response to a/an _____.

A

Increase in friction or pressure

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16
Q

The pigment producing melanocytes are found in the _____ layer.

A

Basale

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17
Q

What is the major factor that protects skin from the damaging effects of sunlight?

A

The presence of melanin

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18
Q

Skin cancer most likely arises from which type cells?

A

Epithelial cells

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19
Q

Most of the sensory fibers and structures are located in the _____ region.

A

Dermis

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20
Q

Tactile corpuscles respond to a stimulus of _____.

A

Light Touch

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21
Q

The subcutaneous layer can also be referred to as the _____.

A

Hypodermis

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22
Q

The presence of _____ is an indication of being in the hypodermis.

A

Adipose Tissue

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23
Q

What is the main factor in preserving body heat?

A

The presence of adipose

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24
Q

A group of cells that surrounds the developing hair is called the _____.

A

Follicle

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25
Q

The color of red hair is due to _____.

A

Trichosiderin

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26
Q

Goose bumps in the skin are caused by contraction of the _____ in response to cold or emotions.

A

Arrector Pili Muscles

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27
Q 
The following relate to sebaceous glands except which one?
A) produce sebum
B) are associated with hair follicles
C) provide waterproofing
D) use merocrine methods
A

Use Merocrine Methods (they use holocrine)

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28
Q

Hair and fingernails are derived from the _____ cells.

A

Epidermal

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29
Q

The most active growing region of the nails is the _____.

A

Lunula

30
Q

Sweat glands can also be called _____ glands.

A

Sudoriferous

31
Q

What actually controls and maintains body temperature?

A

The Hypothalmus

32
Q

The most easily regulated loss of heat through the skin is by _____.

A

Evaporation (sweating)

33
Q

The greatest source of body heat is through _____.

A

Contraction of skeletal muscle

34
Q

The pigment _____ found in vegetables can impart a yellow or orange color to the skin.

A

Carotene (carrots)

35
Q

A _____ is a procedure that uses skin from a decreased person to treat a burned area.

A

Homograft (cadaver)

36
Q

The functions of the skin include all of these except _____.
A) taking in nutrients
B) preventing the entry of microorganisms
C) retarding water loss
D) regulating body temperature

A

Taking in nutrients

37
Q

The protective dead layer of cells of the outer epidermis is called the _____.

A

Stratum Corneum

38
Q

Melanocytes lie within the _____ of the skin.

A

Stratum Basale and Upper Dermis

39
Q

Which of these phrases does not characterize the dermis?
A) conical dermal papillae
B) thinner in areas receiving greater friction and use
C) loss of elasticity with age and sun exposure
D) muscle and nerve fibers

A

Thinner in areas receiving greater friction and use

40
Q

Adipose tissue is most abundant in the _____ layer under the skin.

A

Subcutaneous

41
Q

Hairs arise from which layer of the skin?

A

Stratum Basale of the Epidermis

42
Q

Within nails, the most rapidly dividing cells can be found in the _____.

A

Lunula

43
Q 
Heat loss occurs from the body by each of these methods except \_\_\_\_\_.
A) evaporation
B) convection
C) cellular respiration
D) radiation
A

Cellular Respiration

44
Q

What is one important function for melanin?

A

Absorb harmful radiation

45
Q

The yellowish color of some person’s skin is due to _____.

A

Carotene

46
Q

The epidermis ridges or fingerprints are probably caused by the _____.

A

Dermal Papillae

47
Q

The part of the hair below the surface of the skin is called the _____.

A

Root

48
Q

Dark-skinned persons have higher probability of developing melanomas because they have more melanocytes. T/F?

A

False (everyone has relatively the same amount of melanocytes)

49
Q

Persons who remain indoors frequently may have a higher risk of developing a malignant melanoma than those who are highly exposed to sunlight because of their work or other reasons. T/F?

A

True

50
Q

Transdermal medications are delivered by inserting a hypodermic needle into the subcutaneous region. T/F?

A

False

51
Q

The papillary layer of the dermis partially explains the presence of fingerprints in the epidermis. T/F?

A

True

52
Q

Hair is actually a structure comprised mainly of keratin. T/F?

A

True

53
Q

Excessive hair growth on regions of the body is alopecia. T/F?

A

False (loss of hair)

54
Q

Albinism is a condition resulting from the genetic inability to produce melanin throughout the body. T/F?

A

True

55
Q

Sebaceous glands are always associated with each hair follicle. T/F?

A

False

56
Q

The nail plate is the part of the fingernail which lies on top of the nail bed. T/F?

A

True

57
Q

The eccrine sweat glands are located in the axillary areas and respond to emotional upsets. T/F?

A

False (axillary has apocrine)

58
Q

As one ages, the ability to sweat increases as evidenced by increased moisture on the skin of the elderly. T/F?

A

False (it decreases)

59
Q

The elimination of sweat can have an excretory as well as temperature regulating function T/F?

A

True

60
Q

The application of an ice pack is an example of temperature control by means of convection. T/F?

A

False (its by conducting)

61
Q

In order to conserve heat, blood vessels in the skin constrict. T/F?

A

True

62
Q

Heat exhaustion occurs when the body undergoes excessive sweating on hot, humid days. T/F?

A

False

63
Q

Regardless of race, all persons, except albinos, have the same relative numbers of melanocytes. T/F?

A

True

64
Q

Antipyretic drugs are used to treat pyrexia, which is an abnormal drop in body temperature. T/F?

A

False (pyrexia = elevated body temp)

65
Q

The white blood cells secrete interleukins, which are known to block the causes of fevers. T/F?

A

False (it increases, not blocks)

66
Q

The skin is one of the more versatile organs of the body. T/F?

A

True

67
Q

Epidermal cells usually grow and divide from the upper layers of the skin and migrate towards the dermis. T/F?

A

False

68
Q

The epidermis contains a greater variety of cell types in comparison to the dermis. T/F?

A

False

69
Q

The dermis has a rich blood supply while the epidermis is totally devoid of blood vessels. T/F?

A

True

70
Q

There are usually no blood vessels in the epidermis. T/F?

A

True

71
Q

The cells in the epidermis are only comprised of squamous epithelial cells.

A

False

72
Q

The subcutaneous region has adipose cells that help insulate the body from heat as well as cold. T/F?

A

True

Physiology & Anatomy (19 decks)

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