Chapter 3 Flashcards
The _______ is the body’s tough, outer protective covering.
a. stratum basale
b. skin
c. dermis
d. subcutaneous layer
b. skin
Together with its glands, hair, and nails, the skin makes up the _______.
a. epidermis layer
b. sensory receptors
c. integumentary system
d. subcutaneous layer
c. integumentary system
The skin is important in maintaining _______, the balanced internal
environment.
a. homeostasis
b. mitosis
c. homogenous
d. heterogeneous
a. homeostasis
_______ and _______ in the skin are an important part of the body’s
temperature regulating system.
a. Vitamin D; sweat glands
b. Capillary networks; subcutaneous layer
c. Capillary networks; sweat glands
d. Vitamin D; subcutaneous layer
c. Capillary networks; sweat glands
The skin contains a compound that is converted to _______ when the skin
is exposed to ultraviolet rays from the sun.
a. vitamin A
b. vitamin C
c. vitamin E
d. vitamin D
d. vitamin D
The outermost layer of skin is called the _______.
a. dermis
b. epidermis
c. subcutaneous
d. keratin
b. epidermis
The epidermis consists of stratified squamous _______ tissue.
a. epithelial
b. connective
c. subcutaneous
d. nervous
a. epithelial
The dermis consists of dense _______ tissue composed mainly of collagen
fibers.
a. epithelial
b. connective
c. muscle
d. nervous
b. connective
Blood vessels and nerves are generally absent in the _______ but are
found throughout the _______.
a. dermis; subcutaneous layer
b. dermis; epidermis
c. epidermis; cartilage
d. epidermis; dermis
d. epidermis; dermis
New epidermal cells are pushed to the outer sublayer of skin called the
_______.
a. dermal papillae
b. stratum corneum
c. stratum basale
d. superficial fascia
b. stratum corneum
The subcutaneous layer beneath the dermis is also known as the _______.
a. superficial layer
b. superficial fascia
c. epithelial fascia
d. epidermis
b. superficial fascia
Each _______ is a tiny coiled tube in the dermis or subcutaneous tissue,
with a duct that extends up through the skin and opens onto the surface.
a. sebaceous gland
b. hair follicle
c. sweat gland
d. hair shaft
c. sweat gland
_______, also known as oil glands, are generally attached to hair follicles.
a. Sebaceous glands
b. Papillae
c. Sweat glands
d. Arrector pili
a. Sebaceous glands
Tiny bundles of _______ muscles contract in response to cold or fear,
making the hairs stand up straight and causing “gooseflesh.”
a. subcutaneous
b. arrector pili
c. erector spinae
d. epidermal
b. arrector pili
The part of the hair above the skin surface is the _______.
a. root
b. follicle
c. shaft
d. keratin
c. shaft
Nails appear pink because _______.
a. they are made of keratin
b. they contain melanin
c. of underlying capillaries
d. of their carotene content
c. of underlying capillaries
Melanin is _______.
a. also known as carotene
b. associated with keratin in the stratum
corneum
c. a pigment that gives color to hair and skin
d. overproduced in the condition known as
albinism
c. a pigment that gives color to hair and skin
Located within the skin, _______ detect touch, pressure, heat, cold, and
pain.
a. integumentary receptors
b. thermal sensors
c. sensory receptors
d. epidermal sensors
c. sensory receptors
_______ prevents loss of fluid so the cells do not dry out.
a. Skin
b. Melanin
c. Carotene
d. Pigment
a. Skin
_______ excrete excess water and some wastes from the body.
a. Sensory receptors
b. Sweat glands
c. Sebaceous glands
d. Hair follicles
b. Sweat glands
The inner layer of the skin is called the _______.
a. dermis
b. epidermis
c. endodermis
d. subcutaneous
a. dermis
The _______ is the deepest sublayer of the epidermis that produces new
epidermal cells.
a. stratum basale
b. dermal papilla
c. stratum corneum
d. superficial fascia
a. stratum basale
Beneath the skin is an underlying _______ layer.
a. dermis
b. epidermis
c. endodermis
d. subcutaneous
d. subcutaneous
New epidermal cells are constantly produced in the deepest sublayer of the
_______.
a. dermis
b. epidermis
c. endodermis
d. subcutaneous layer
b. epidermis
_______ is a tough waterproofing protein which fills most of each
epidermal cell.
a. Collagen
b. Carotene
c. Keratin
d. Melanin
c. Keratin
_______ is largely responsible for the mechanical strength of the skin.
a. Collagen
b. Carotene
c. Keratin
d. Vitamin D
a. Collagen
The patterns of ridges and grooves visible on the skin of the soles and palms reflect the arrangement of the _______ elevations beneath.
a. collagen
b. subcutaneous
c. dermal
d. sebum
c. dermal
The subcutaneous layer consists of _______ connective tissue usually
containing a lot of adipose tissue.
a. loose
b. dense
c. stratified
d. simple
a. loose
The distribution of fat in the _______ layer is largely responsible for
characteristic male and female body shapes.
a. dermal
b. subcutaneous
c. epidermal
d. adipose
b. subcutaneous
As _______ of sweat occurs, the body becomes cooler.
a. circulation
b. evaporation
c. metabolism
d. production
b. evaporation
Sebaceous glands secrete an oily substance called _______ that oils the
hair, lubricates the surface of the skin, and helps prevent water loss.
a. melanin
b. keratin
c. vitamin D
d. sebum
d. sebum
The hair root, together with its epithelial and connective tissue covering, is
called the _______.
a. hair follicle
b. sebaceous gland
c. arrector pili
d. shaft
a. hair follicle
Nails consist mainly of _______.
a. compressed keratin
b. sebum
c. connective tissue
d. collagen
a. compressed keratin
- In _______, an inherited condition that can occur in any person, the cells
are not able to produce melanin.
a. glaucoma
b. albinism
c. melanoma
d. melanism
b. albinism
