Integumentary Sys Questions by 0yd0X0


									The two layers of the cutaneous membrane (skin) are the:
dermis and epidermis
cutaneous membrane and accessory structures
hair and skin
eleidin and keratin

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Question 2

The most superficial layer of the epidermis is the:
stratum germinativum
stratum spinosum
stratum corneum
stratum granulosum

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Question 3

The subcutaneous layer that separates the integument from the deep fascia around other organs is the:
reticular layer

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Question 4

Which epidermal layer is only found in thick skin?
stratum lucidum
stratum corneum
stratum granulosum
stratum germinativum

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Question 5

The secretion that lubricates and inhibits growth of bacteria on the skin is called:

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Question 6

The layers of the epidermis, beginning with the deepest layer and proceeding outward, include the
spinosum, germinativum, corneum, granulosum
germinativum, spinosum, granulosum, corneum
granulosum, spinosum, germinativum, corneum
corneum, granulosum, spinosum, germinativum

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Question 7

The layers of the epidermis where mitotic divisions occur are:
spinosum and corneum
corneum and germinativum
germinativum and spinosum
mitosis occurs in all layers

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Question 8

For a cell to move from the stratum germinativum to the stratum corneum, it takes approximately:
6 weeks or more
to 14 days
15 to 30 days
1 to 7 days

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Question 9

Epidermal cells in the strata spinosum and germinativum function as a chemical factory in that they can

steroid precursors to vitamin D when exposed to sunlight
vitamin D to keratin
eleidin to keratin
keratohyalin to eleidin

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Question 10

Differences in skin color among individuals are the result of:

differences in the number of melanocytes
differences in the thickness of skin
the different levels of synthetic activity in the melanocytes
differences in the number of sebaceous glands

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Question 11

The two basic factors interacting to produce skin color are:

melanocyte production and oxygen supply
sunlight and ultraviolet radiation
the presence of carotene and melanin
circulatory supply and pigment concentration and composition

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Question 12

Skin exposure to small amounts of ultraviolet radiation serves to:

produce a tan that is beneficial to the skin
convert a steroid related to cholesterol into vitamin D
induce growth of cancerous tissue in the skin
induce melanocyte production

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Question 13

Excessive exposure of the skin to ultraviolet radiation may cause redness, edema, blisters, and pain. The
presence of blisters classifies the burn as:

first degree
second degree
third degree
none of the above

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Question 14

The two layers of the dermis are:

capillaries and nerves
papillary and reticular layers
sensory receptors and accessory structures
dermal papillae and a subcutaneous layer

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Question 15

Which of the following can you find within the dermis?

blood vessels
nerve fibers
all of the above

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Question 16

Special smooth muscles in the dermis that, when contracted, produce "goose bumps" are called:

root sheaths
cuticular papillae
tissue papillae
arrector pili

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Question 17

The primary tissues composing the subcutaneous layer are:

areolar and adipose
hyaline and cuboidal
transitional and glandular
epithelial and neural

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Question 18

The reason the hypodermis is useful for subcutaneous injection by hypodermic needle is that it has a:

large number of lamellated corpuscles
limited number of capillaries and no vital organs
large number of sensory receptors
all of the above

End of Question 18

Question 19

An important function of the subcutaneous layer is to:

adjust gland secretion rates
provide sensation of pain and temperature
stabilize the position of the skin in relation to underlying tissues
monitor sensory receptors

End of Question 19

Question 20

Hair production occurs in the:

reticular layers of the dermis
papillary layer of the dermis
stratum germinativum of the epidermis

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Question 21

Except for red hair, the natural factor responsible for varying shades of hair color is the:

number of melanocytes
type of pigment present
amount of carotene production
all of the above

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Question 22

Accessory structures of the skin include the:

dermis, epidermis, and hypodermis
blood vessels, macrophages, and neurons
hair follicles and the sebaceous and sweat glands
cutaneous and subcutaneous layers

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Question 23

Sensible perspiration released by the eccrine sweat glands serves to:

reduce body temperature
dilute harmful chemicals
cool the surface of the skin
all of the above

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Question 24

When the body temperature becomes abnormally high, thermoregulatory homeostasis is maintained

a decrease in blood flow to the skin and a decrease in sweat gland activity
an increase in sweat gland activity and an increase in blood flow to the skin
an increase in sweat gland activity and a decrease in blood flow to the skin
an increase in blood flow to the skin and a decrease in sweat gland activity

End of Question 24

Question 25

Nail production occurs at an epithelial fold not visible from the surface called the:

nail root

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Question 26

Which of the following statements describes the immediate response by the skin to an injury?

Bleeding occurs, and mast cells trigger an inflammatory response.
Fibroblasts in the dermis create scar tissue.
The epidermal cells are replaced.
A scab forms.

End of Question 26

Question 27

The practical limit to the healing process of the skin is the formation of inflexible, fibrous, noncellular:

skin grafts
ground substance
scar tissue

End of Question 27

Question 28

Hair turns gray or white because of:

a decline in glandular activity
a decrease in the number of Langerhans cells
decreased blood supply to the dermis
decreased melanocyte activity

End of Question 28

Question 29

Sagging and wrinkling of the integument occurs from:

the decline of germinative cell activity in the epidermis
a decrease in the vitamin D production
a decrease in the elastic fiber network of the dermis
deactivation of sweat glands

End of Question 29

Question 30

When ruptured dermal blood vessels leak into the dermis, a ________ may form.

stretch mark

End of Question 30

Question 31

What is the name of the pale, crescent-shaped area near the root of the nail?

nail root

End of Question 31

Question 32

Psoriasis is a skin disorder in which there is abnormal increased mitotic activity in the:

stratum spinosum
stratum corneum
stratum germinativum
stratum lucidum

End of Question 32

Question 33

Third-degree burns differ from first and second-degree burns in that:

the epidermis, dermis, and hypodermis are destroyed
they are more painful
fluid accumulates between the dermis and epidermis
the burn is restricted to the superficial layers of the skin

End of Question 33

Question 34

What condition causes inflammation in the papillary layer when a part of the skin is exposed to infection
or an irritant?

decubitis ulcer

End of Question 34

Question 35

Because freshwater is hypotonic to body fluids, sitting in a freshwater bath causes:

water from the interstitial fluid to penetrate the surface and evaporate
complete cleansing because the bacteria on the surface rupture
water to leave the epidermis and dehydrate the tissue
water to enter the epidermis and cause the epithelial cells to swell

End of Question 35

Question 36

Malignant melanomas are extremely dangerous and life threatening because:

they develop in the germinative layer of the epidermis
metastasis is restricted to the dermis and epidermis
the melanocytes grow rapidly and metastasize through the lymphatic system
they form tumors that interfere with circulation

End of Question 36

Question 37

The core of a hair is called the:
connective tissue sheath

End of Question 37

Question 38

Ceruminous glands are modified sweat glands located in the:

stratum spinosum of the epidermis
reticular layer of the dermis
external auditory canal
nasal passageways

End of Question 38

Question 39

Yellow fingernails are indicated in patients who have:

thyroid gland disorders
chronic respiratory disorders
all of the above

End of Question 39

Question 40

Where can you find an apocrine sweat gland?

on top of the head
palms of hands and soles of feet
armpits, nipples, and pubic region
all over the body

End of Question 40

Question 41

The body of the nail:
is beneath the hypochondrium
consists of dead, tightly compacted cells
is covered by the cuticle
is not affected by diseases

End of Question 41

Question 42

Lines of cleavage are clinically significant because:

a cut parallel to a cleavage line will remain closed
wounds heal more slowly if they run parallel to lines of cleavage
they promote wound healing
a cut at right angles to a line of cleavage will remain closed

End of Question 42

Question 43

Which of the following functions is NOT associated with the skin?

maintenance of normal body temperatures
excretions of salts, organic wastes, and water
detection of sensory information
synthesis of B vitamins

End of Question 43

Question 44

Sebaceous glands release which type of secretion?

sensible perspiration

End of Question 44

Question 45

Benign tumors that usually occur in the dermis are called:

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Question 46

A thick, flattened mass of scar tissue that grows into the tissue around an injury site is called a:


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Question 47

Increased damage and infection associated with age is caused by a decrease in the number of:

Merkel cells
Langerhans cells
nerve cells

End of Question 47

Question 48

The peptide that is secreted by the pituitary gland and increases the rate of melanin production is:


End of Question 48

Question 49

When the skin is deprived of blood flow and oxygen, it takes on a bluish coloration called:

End of Question 49

Question 50

A hair at the end of the growth cycle is called:

club hair
vellus hair
ahair bulb
terminal hair

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