WorksheetsIntegumentary System
Total questions: 50
Worksheet time: 25mins
Which layer of the epidermis contains actively dividing cells?
stratum corneum
stratum basale
stratum granulosum
stratum lucidum
When you scratch your skin, what comes off as white flakes are mostly cells from the stratum:
corneum
spinosum
basale
granulosum
When you are overexposed to sunlight, your body produces less melanin to protect you from the ultraviolet light.
true
false
What are the layers of the SKIN in order from superficial to deep?
corneum, lucidum, granulosum, spinosum, basale
epidermis, dermis, subcutaneous layer
subcutaneous, dermis, epidermis
The "tanning" effect (darkening of the skin) that occurs when a person is exposed to the sun is somewhat protective due to:
added layers of epidermis that thicken the skin
an increased concentration of keratin that "toughens" the skin
an increased blood supply that carries the heat of the sun away
increased production of melanin that helps to block ultraviolet light
What is the arrector pili and what is it attached to?
a muscle that is attached to the hair shaft
connective tissue that is attached to sebaceous glands
connective tissue that is attached to sweat gland
a muscle that is attached to the hair follicle
When the body temperature rises above normal, dermal blood vessels are likely to constrict.
true
false
Which of the following is NOT a substance secreted to help with the regulation of pain impulses
enkephalins
serotonin
endorphins
heparin
The most external skin region is composed of:
simple columnar epithelium
dense fibrous connective tissue
stratified squamous epithelium
adipose
Which part of the skin contains melanocytes?
stratum corneum
stratum lucidum
stratum spinosum
stratum basale
The cells that produce the shaft of the hair are:
adipose tissue cells
loose connective tissue cells
fibrous connective tissue cells
epithelial cells
Examples of modified sweat glands are
armpit sweat glands and mammary glands
ear wax glands and mammary glands
armpit sweat glands and ear wax glands
mammary glands and scalp sweat glands
Which of the following infections is characterized by small fluid filled blisters that itch and sting, caused by the herpes virus?
cold sores
boils
contact dermatitis
impetigo
Which of the following is an indication of melanoma?
spot on the skin that is smaller than the size of a pencil eraser
pigmented spot that has smooth borders
symmetrical mole
pigmented spot that contains areas of different colors
Skin cells play an important role in the production of
Vitamin C
Vitamin A
Vitamin D
Vitamin B
What do sebaceous glands secrete?
sebum
collagen
keratin
sweat
Skin color does not result from which of the following factors?
genetic
anatomical
environmental
physiological
Hair color is determined by
pheomelanin for light colored hair
differing amounts of melanin to give the varying shades
a combination of both eumelanin and pheomelanin
eumelanin for dark colored hair
The skin that covers the palms of the hands and the soles of the feet has an extra layer of epidermis; the layer is called __________________
lucidem
corneum
spinosum
granulosum
What type of scar is a result of an overly aggressive healing process and extends beyond the original injury?
acne scars
keloid scars
contractile scars
hypertrophic scars
The hair shaft contains cells that are dead.
true
false
The only function of melanin is provide skin color.
true
false
Which of the following has no blood supply of its own?
dermis only
epidermis only
demis and epidermis
subcutaneous layer
When the skin is burned, what are the two life threatening problems that can arise?
infection and pain
infection and organ failure
infection and dehydration
dehydration and paon
The skin does NOT function to:
regulate body temp
generate heat
excrete wastes
retard water loss
Which type of gland responds to body temperature, stress, and sexual arousal?
eccrine
sebaceous
apocrine
sudoriferous
A burn that involves the only the epidermis is called a second degree burn.
true
false
Acne is a disorder associated with inflammation of the
sebaceous gland
sudoriferous gland
sweat gland
hair follicles
The main function of melanocytes is to
help control body temp
produce vitamin D
protect deeper cells by producing melanin
remove dead cells by phagocytosis
As cells are pushed from the deeper portions of the epidermis toward the surface
their supply of nutrients improve
they tend to die
they become dermal cells
the divide continually
The tissue response to inflammation include all of the following except:
pus
pain
heat
redness
Logan had an ice pack on his swollen knee. Most likely what receptor was signaling the brain that the ice pack was cold?
chemoreceptor
mechanoreceptor
pain receptor
thermoreceptor
Hair color is determined by the amount of keratin protein produced during keratinization.
true
false
Malignant melanomas are best explained by
metastasizes rapidly
accounts for 15% of cancers
cancer of leukocytes
all are correct
Hair, nails, and the outer layer of the skin are made mostly of a tough waterproof protein called:
melanin
collagen
keratin
carotene
Lara keeps annoying Trish by brushing a feather across her lips. What nerve ending is most likely receiving the sensory message?
Pacinian copuscles
Meissner's corpuscles
free nerve endings
none are correct
What type of skin disorder is a result of blood escaping from circulation and clotting in the tissue spaces? If this happens often, it may signify a deficiency of vitamin C or hemophilia.
psoriasis
jaundice
impetigo
bruises
The outermost layer o the epidermis is the stratum basale and the innermost layer is stratum corneum.
true
false
Place the stages of wound healing in the correct order.
1.Blood vessels send out branches of fibroblasts in the area. 2. Blood escapes form dermal blood vessels, and a blood clot soon forms.
3.Fibroblast produce new connective fibers, scab sloughs off. 4. Blood clot and dried tissue fluid form a scab protecting the area.
1,4,2,3
2,4,1,3
1,2,4,3
2,1,3,4
Tattoos are made permanent by ink being injected into the epidermis.
true
false
A needle would pierce the skin of the palm in which order?
1. stratum basale
2. stratum granulosum
3. stratum spinosum
4. stratum corneum
5. stratum lucidum
1,2,3,4,5
4,5,2,3,1
3,2,4,1,5
4,2,3,1,5
Which part of the nail bed is the most actively growing region?
lunula
cuticle
nail plate
dermis
Which of the following is NOT a way the skin responds to excessive cooling?
shivering
blood vessels constrict
blood vessels dilate
inactivate sweat glands
Which part of the skin is responsible for causing fingerprints?
arrector pilli
dermal papillae
hair follicles
stratum basale
Which of the following is not correct concerning the skin?
The dermis contains muscle and nerve tissue
The epidermis is composed of stratified squamous epithelium
The dermis is usually thicker than the epidermis
The subcutaneous layer is between the dermis and epidermis
Which of the following is the primary cause of decubitus ulcer formation?
maintaing one body position
providing adequate fluid intake
massaging the skin
eating foods rich in proteins
The subcutaneous layer is located:
above the dermis
beneath the dermis
between the dermis and epidermis
beneath the epidermis
Squamous cell carcinomas are most commonly caused by exposure to
gamma rays
UV rays
x rays
mutagenic chemical
_________________ is the pigment produced by melanocytes.
melanin
sebum
keratin
vitamin D
Which part of the brain helps to regulate body temperature?
thalamus
brain stem
hypothalamus
cerebral cortex
