Deck 5: Integumentary System

Question 1

Older people tend to be more susceptible to temperature changes because they have less adipose in the subcutaneous layer.

Answer 1

True

Question 2

The outermost layer of the skin is the

A) dermis
B) epidermis
C) superficial fascia
D) subcutaneous tissue

Answer 2

B

Question 3

Which term does NOT pertain to the skin?

A) integument
B) integumentary system
C) cutaneous membrane
D) epithelial membrane
E) serous membrane

Answer 3

E

Question 4

The outermost layer of the skin is composed of _____ epithelium.

A) pseudostratified
B) simple squamous
C) transitional
D) stratified squamous
E) simple columnar

Question 5

The cells in the stratum spinosum show limited mitosis.Stratum spinosum and stratum _____ together make up the stratum germinativum.

A) corneum
B) granulosum
C) basale
D) lucidum
E) reticularis

Question 6

If you step on a tack,the sequence of layers through which the tack penetrates is

A) epidermis,dermis,subcutaneous tissue
B) dermis,epidermis,subcutaneous tissue
C) epidermis,subcutaneous tissue,dermis
D) dermis,subcutaneous tissue,epidermis
E) subcutaneous tissue,epidermis,dermis

Question 7

Hair and nails are derived from the dermis of the skin.

Question 8

The epidermis

A) consists of 7 distinct layers
B) has abundant blood vessels
C) has no nerve endings in it
D) has several layers of actively mitotic cells
E) consists of dead cells that slough off at the stratum basale

Question 9

In most individuals,the epidermis is thicker than the dermis.

Question 10

Melanocytes are found in the stratum corneum of the epidermis.

Question 11

Which of the following is NOT a part of the integumentary system?

A) skin
B) hair
C) nails
D) teeth
E) glands

Question 12

The most numerous sweat glands are the apocrine sweat glands.

Question 13

The outermost layer of keratinized cells on the shaft of a hair is the cuticle.

Question 14

Keratin is a protein in the skin that helps prevent water loss.

Question 15

The dermis of the skin is highly vascular and contains glands.

Question 16

The epidermal layer that is at the surface and is sloughed off is the stratum

A) corneum
B) granulosum
C) basale
D) lucidum
E) spinosum

Question 17

Ceruminous glands are modified sebaceous glands found in the external ear canal.

Question 18

The layer of the epidermis that is present only in thick skin is the stratum

A) basale
B) spinosum
C) granulosum
D) lucidum
E) corneum

Question 19

The integumentary system synthesizes melanin,keratin,and vitamin E.

Question 20

Melanocytes are found in the stratum

A) corneum
B) granulosum
C) basale
D) lucidum
E) spinosum

Question 21

The strength and elasticity of the skin is provided by the

A) epidermis
B) dermis
C) hypodermis
D) subcutaneous layer
E) fascia

Question 22

The expanded distal portion of the hair follicle is the

A) papillae
B) bulb
C) glandular region
D) region of dead keratinized cells

Question 23

The epidermal layer that is next to the dermis is the stratum

A) granulosum
B) corneum
C) reticularis
D) basale
E) spinosum

Question 24

The outermost covering of hair that consists of overlapping keratinized cells is the

A) cortex
B) medulla
C) cuticle
D) shaft
E) follicle

Question 25

The portion of the hair that extends outward beyond the epidermis is the

A) shaft
B) root
C) follicle
D) cuticle
E) cortex

Question 26

The black/brown pigment of the skin is

A) carotene
B) melanin
C) hemoglobin
D) keratin

Question 27

The uppermost layer of the dermis is the _____ layer.

A) reticular
B) sensory
C) papillary
D) vascular
E) pigmented

Question 28

In light-skinned people,exposure to sunlight results in an increased

A) number of melanocytes
B) amount of hemoglobin
C) amount of keratin
D) production of melanin

Question 29

The subcutaneous layer is also called

A) hypodermis
B) deep fascia
C) stratum reticularis
D) adipose

Question 30

Blushing is due to _____ of the blood vessels in the _____.

A) constriction;dermis
B) constriction;epidermis
C) dilation;dermis
D) dilation;epidermis

Question 31

Fingerprints are due to

A) projections of the stratum corneum
B) papillae in the stratum basale
C) arrangement of papillae in the dermis
D) direction of collagen fibers in the dermis
E) contraction of arrector pili muscles

Question 32

The repair of a strained dermal area may leave a line of scar tissue,or stretch mark.This is called

A) strata
B) striae
C) lucida
D) corium

Question 33

The layer of the skin that produces hair is the

A) stratum corneum
B) stratum basale
C) reticular layer of dermis
D) papillary layer of dermis
E) hypodermis

Question 34

The inward extension of epidermis that encloses the hair root is the hair

A) shaft
B) follicle
C) papillae
D) arrector pili

Question 35

The small involuntary muscles that are attached to hair and cause "goose bumps" when they contract are _____ muscles.

A) cutaneous arrector
B) follicular arrector
C) arrector pili
D) dermal arrector

Question 36

Adipose associated with the skin is located in the

A) epidermis
B) dermis
C) papillary layer
D) subcutaneous layer
E) reticular layer

Question 37

Sensory receptors in the skin are primarily located in the

A) epidermis
B) dermis
C) hypodermis
D) subcutaneous layer
E) fascia

Question 38

The water resistant protein in the epidermis is

A) melanin
B) keratin
C) carotene
D) chondrin
E) collagen

Question 39

Which substance is NOT responsible for skin color?

A) carotene
B) melanin
C) keratin
D) hemoglobin in blood

Question 40

Which one of the following is NOT true about the dermis?

A) It is thicker than the epidermis.
B) It is composed of connective tissue.
C) It has numerous blood vessels.
D) It consists of 5 distinct layers.
E) It contains sense receptors.

Question 41

The layer of skin that produces nails is the

A) stratum corneum
B) stratum reticularis
C) papillary layer
D) dermis
E) stratum basale

Question 42

Which of the following is NOT a function of sebum?

A) keeps hair soft and pliable
B) keeps skin from becoming dry and brittle
C) inhibits growth of bacteria
D) helps prevent water loss
E) adds color to the skin and hair

Question 43

A lack of sweat is called

A) pachyonychia
B) ichthyosis
C) anhidrosis
D) pachydermia
E) rhytidoplasty

Question 44

A substance that is produced by the integumentary system and remains in the skin is

A) vitamin A
B) adipose
C) perspiration
D) melanin
E) hemoglobin

Question 45

Which of the following is NOT true about ceruminous glands?

A) They are modified sweat glands.
B) They secrete cerumen.
C) They are stimulated by emotional stress.
D) They are located in the external auditory (ear)canal.

Question 46

From the following list,which function is NOT associated with the skin?

A) temperature regulation
B) excretion of waste products
C) protection against bacterial invasion
D) synthesis of vitamin E

Question 47

A condition of thickened skin is called

A) pachydermia
B) pachyonychia
C) ichthyosis
D) onychectomy
E) rhytidoplasty

Question 48

Sweat glands are also called _____ glands.

A) ceruminous
B) sudoriferous
C) sebaceous
D) merocrine

Question 49

When body temperature increases,the blood flow to the skin _____ and the production of perspiration _____.

A) decreases;increases
B) increases;decreases
C) decreases;decreases
D) increases;increases

Question 50

Apocrine sweat glands

A) secrete a thin,watery product called perspiration
B) open into hair follicles in the axilla and external genitalia
C) are stimulated in response to increased heat
D) secrete an oily,sticky substance that repels insects

Question 51

The most numerous and widely distributed sweat glands functionally are

A) merocrine
B) apocrine
C) holocrine
D) endocrine

Question 52

The glands that secrete an oily product into hair follicles are _____ glands.

A) sebaceous
B) sweat
C) ceruminous
D) sudoriferous

Question 53

The sweat glands that become active at puberty are the _____ sweat glands.

A) merocrine
B) apocrine
C) holocrine
D) endocrine

Question 54

The hair bulb is embedded in the

A) epidermis
B) papillary layer of the dermis
C) reticular layer of the dermis
D) hypodermis

Question 55

Another name for the cuticle is

A) lunula
B) nail matrix
C) eponychium
D) free edge

Question 56

The substance in the epidermis that protects against water loss and abrasion is

A) cerumen
B) keratin
C) melanin
D) sebum

Question 57

According to their mode of secretion,sebaceous glands are _____ glands.

A) merocrine
B) unicellular
C) apocrine
D) holocrine
E) endocrine

Question 58

When body temperature decreases below normal,the flow of blood in the skin

A) increases
B) decreases
C) remains unchanged
D) has no effect on temperature regulation

Question 59

The thickened region that is responsible for nail growth is the

A) lunula
B) nail bed
C) nail root
D) nail matrix

Question 60

The visible portion of a nail is the

A) free edge
B) eponychium
C) nail bed
D) nail body
E) lunula

Question 61

What is the term for the type of holocrine gland that opens into hair follicles?

Question 62

What is the term for the uppermost layer of the epidermis?

Question 63

What is the term for the layer of the epidermis that contains the melanocytes?

Question 64

What is the term for the epidermal layer next to the dermis?

Question 65

What is the term for the layer that attaches skin to the underlying tissues such as muscle?

Question 66

What is the term for the uppermost layer of the dermis?

Question 67

What is the term for the muscle associated with hair?

Question 68

What is the vitamin that is synthesized in the skin?

Question 69

What is the term for the pigment that creates brown tones in the skin?

Question 70

What are the two ways in which the skin helps to lower body temperature?

Question 71

What is the term for the portion of the hair that extends beyond the epidermis?

Question 72

What is the term for the fold of stratum corneum that grows over the proximal portion of the nail body?

Question 73

What is the term for the layer of epidermis that is present only in thick skin?

Question 74

What is the term for the type of sweat gland that opens into hair follicles in the axillae?

Question 75

What is the term for the integumentary glands that increase activity at puberty and decrease activity in old age?