Integumentary System Quiz
skin (covering)
ANSWER : integument
the subcutaneous tissue just deep to the skin made up of mostly adipose tissue
ANSWER :hypodermis
What is the function of the hypodermis?
ANSWER : stores fat, anchors the skin, and acts as a shock absorber
the outer layer of the skin made up of keratinized stratified squamous epithelium
ANSWER : epidermis
epidermal cell that produces keratin
ANSWER : keratinocyte
the fibrous protein that makes skin waterproof and keeps it strong, also found in hair and nails
ANSWER : keratin
“horn”
ANSWER : Greek meaning of “kera”
epidermal cell that produces the brown piment melanin
ANSWER : melanocyte
epidermal cell that acts as a macrophage to activate our immune system to destroy foreign
substances
ANSWER : Langerhans’ cell
deepest epidermal layer made of a single row of cells that undergo rapid cell division
ANSWER : stratum basale
epidermal cell functions as touch receptors in association with sensory nerve endings
ANSWER : Merkel cell
What are the three regions of the skin?
ANSWER : epidermis, dermis, hypodermis
List the 5 layers of the epidermis in order from the superficial to deepest layer.
ANSWER : stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale
Which layer of the epidermis is found only in thick skin?
ANSWER : stratum lucidum
Which layer of the epidermis consists of a single row of cells where rapid cell division occurs?
ANSWER : stratum basale
Which layer of the epidermis is made up of a weblike system of intermediate filaments with
flattened keratinocytes that appear “spiny”
ANSWER :stratum spinosum
Which layer of the epidermis consists of three to five cell layers with keratinocytes that
accumulate granules that form keratin and lipids that provide waterproofing
ANSWER : stratum granulosum
What are the two layers of the dermis?
ANSWER : papillary and reticular
What are the peglike projections on the superior surface of the dermis that indent the
overlying epidermis?
ANSWER :dermal papillae
cell deep in the dermis that is capable of detecting pressure
ANSWER : Pacini corpuscle
sensitive touch receptors in the dermis
ANSWER : Meissner’s corpuscles
silvery white scars caused by extreme stretching of the dermis during pregnancy
ANSWER :stretch marks
the separation of the epidermal and dermal layers by a fluid-filled pocket
ANSWER : blister
pigment that ranges in color from yellow to reddish-brown to black that is produced when the
skin is exposed to sunlight
ANSWER : melanin
yellow to orange pigment that is most obvious in the palms of the hands and soles of the feet
ANSWER :carotene
pink-red pigment
ANSWER :hemoglobin
A condition that occurs when hemoglobin is poorly oxygenated causing the skin to appear
Blue
ANSWER : cyanosis
term that means “sweat”
ANSWER : sudoriferous
produces true sweat; abundant on the palms of hand, soles of the feet, and forehead
ANSWER : eccrine (merocrine) sweat gland
produce true sweat plus fatty substances and proteins; found in the axillary (armpit) and
anogenital areas of the body
ANSWER : apocrine sweat glands
modified apocrine glands found in the lining of the external ear canal; produce sticky, bitter
substance called cerumen (earwax)
ANSWER : ceruminous glands
specialized sweat glands that secrete milk
ANSWER :mammary glands
oil glands
ANSWER : sebaceous glands
oil
ANSWER :sebum
What stimulates sebum production?
ANSWER : hormones
an active inflammation of the sebaceous glands accompanied by pimples on the skin
ANSWER : acne
hair
ANSWER :pili
What is the function of hair?
ANSWER : Hair on skin senses insects before they sting or bite; Hair on scalp protects from physical trauma, heat
loss, sunburn; eyelashes shield eyes; nose hairs filter particles in the air
What are the chief regions of the hair?
ANSWER : shaft and root
The portion of the hair that projects beyond the skin
ANSWER :hair shaft
is the part of, the part of the hair contained within the follicle, below the surface of the skin
ANSWER : hair root
What are the two types of hair?
ANSWER :vellus and terminal
fine hair found on children and adult female
ANSWER : vellus hair
coarse, long hair found on the head, eyebrows, axillary and genital areas: growth stimulated
by male sex hormones
ANSWER : terminal hair
hair thinning and balding
ANSWER : alopecia
male pattern baldness genetically determined
ANSWER : true or frank baldness
scalelike modification of the epidermis that forms a clear protective covering on the dorsal
surface of a finger or toe
ANSWER : nail
What are the functions of the skin?
ANSWER :Regulates body temperature; Produces Vitamin D; Protection from chemical and physical injury: Blood
reservoir; Excretion of nitrogenous wastes
What are the three types of skin cancer?
ANSWER :basal cell carcinoma, squamous cell carcinoma, melanoma
the least malignant and most common type of skin cancer
ANSWER : basal cell carcinoma
the most dangerous skin cancer
ANSWER : melanoma
Asymmetry, Border irregularity, Color, Diameter, (Elevation)
ANSWER :ABCD(E) rule
tissue damage inflicted by intense heat, electricity, radiation, or certain chemicals, which
denature proteins and cause cell death
ANSWER :burn
involves only epithelium; redness, heat (i.e. sunburn)
ANSWER : first degree burn
destroys the epidermis and part of the dermis; characterized by pain, blisters, swelling, and
discoloration.
ANSWER : second degree burn
destroys epidermis and dermis, appear leathery and dark, no pain, insensitivity to pain due to
nerve damage; fluid loss & increased risk of infection due to damage of protective barrier
ANSWER : third degree burn
method used to calculate the amount of fluid lost as the result of a burn; divides the body into
11 areas, each accounting for 9% of the total body area
ANSWER :rule of nines
1. A major function of skin is protection from:
Abrasion
UV light
Entry of microorganisms
All of the above(CORRECT ANSWER)
2. What are functions of skin?
Protect Bones
Protect Muscles
Protect Organs
All of the above(CORRECT ANSWER)
3. The waterproofing protein that fills the cells in the upper layers of the epidermis.
Keratin(CORRECT ANSWER)
Melatonin
Melanin
Actin
4. Which is NOT a function of the skin?
Insulation
Movement(CORRECT ANSWER)
Excretion
Vitamin D Production
5. Melanocytes are located in the ___________.
Subcutaneous
Hypodermis
Dermis
Epidermis(CORRECT ANSWER)
6. The type of cell that produces melanin, which protects us against harmful UV rays.
Keratinocytes
Melanocytes(CORRECT ANSWER)
Eccrinocytes
Melatonin
7. This gland releases an oil known as sebum.
Sebacious gland(CORRECT ANSWER)
Apocrine Gland
Eccrine Gland
All of the above
8. What is the top layer of the skin called?
Dermis
Hypodermis
Epidermis(CORRECT ANSWER)
Subcutaneous
9. true or false freckles and moles are seen where melanin is concentrated in one spot
true(CORRECT ANSWER)
false
10. true or false
ridges of the finger along with sweat pores leave a unique identifying film of sweat called a fingerprint
true(CORRECT ANSWER)
false
11. Nails are made out of what?
All of the Above
Terminal
Vellus
Keratin (CORRECT ANSWER)
12. What is the largest organ in the human body?
Skin(CORRECT ANSWER)
Hair
Nails
All of the Above
13. Where is the thinnest skin located?
Ears
Eyelids(CORRECT ANSWER)
Elbow
Nose
14. What is another name for the hypodermis?
epidermis
subcutaneous layer(CORRECT ANSWER)
stratum basale
15. The most important function of skin is:
Protection(CORRECT ANSWER)
Storing fat
Sweating
Insulation
16. Where is the thickest skin found on the body?
Soles of the feet(CORRECT ANSWER)
Palms of the hands
Scalp
Elbows
17. The top layer of the epidermis is made of:
flat, dead cells(CORRECT ANSWER)
melanin
collagen
healthy, living cells
18. In which of these layers are melanocytes found?
Dermis
Hypodermis
Stratum basale
Epidermis(CORRECT ANSWER)
19. Which layer of the skin contains lots of adipose tissue and blood vessels?
Dermis
Epidermis
Keratin
Hypodermis(CORRECT ANSWER)
20. Melanin:
Helps protect skin from UV radiation
Is found in almost every human being
Is responsible for skin color
All of the above(CORRECT ANSWER)
21. Which of these conditions increase the amount of melanin in the skin?
Exposure to UV light
Having ancestors from near the equator
Both answers are correct(CORRECT ANSWER)
Neither answer is correct
22. Which of these events occur as a result of a decrease in body temperature?
sweat is produced
your nails turn red
contraction of arrector pili muscles(CORRECT ANSWER)
all of these
23. A bacterial infection of the integumentary system:
Athlete’s foot
Herpes
Boils(CORRECT ANSWER)
Ringworm
24. Which glands of the skin secrete an oily substance which helps keep your skin smooth and soft?
Apocrine sweat glands
merocrine sweat glands
sebaceous glands(CORRECT ANSWER)
none of the choices
25. Arrector pili muscles:
are a part of your skeletal system
assist in the production of sebum
contract in response to frightening situations or cold weather(CORRECT ANSWER)
cause sweat glands to contract
26. Which of the following is NOT part of the integumentary system?
Skin
Cartilage(CORRECT ANSWER)
Nails
Hair
27. Which type of burn is characterized by the epidermis and dermis being destroyed, leaving scar tissue behind?
1st degree burn
2nd-degree burn(CORRECT ANSWER)
3rd degree burn
none of the choices
28. A viral infection of the integumentary system:
Athlete’s Foot
Boils
Ringworm
Herpes(CORRECT ANSWER)
29. Some medications can be absorbed directly through the skin by using patches
True(CORRECT ANSWER)
False
30. A medical term for baldness:
Keratin
Dermatitis
Baldy Syndrome
Alopecia(CORRECT ANSWER)
31. Caused by a complete lack of melanin:
Dermatitis
Alopecia
Albinism(CORRECT ANSWER)
Melanitis
32. When your body temperature rises, these secrete water to the surface where heat is removed by evaporation.
Sweat pore
Sweat gland and duct(CORRECT ANSWER)
Hair shaft
Hair follicle
33. This provides your skin with strength and elasticity (as you age you lose this and skin may become looser)
Keratin
Dermis
Collagen(CORRECT ANSWER)
Melanin
34. This is produced at the Sebaceous gland and helps lubricate your skin; keeping it soft and pliable.
Keratin
Sebum(CORRECT ANSWER)
Collagen
Melanin
35. Inflammation of the skin:
Dermatitis(CORRECT ANSWER)
Keratin
Alopecia
Albinism
36. The three main types of skin cancer are:
Basal cell, squamous cell, and melanoma(CORRECT ANSWER)
benign and malignant
UV cancer, malignant and benign
37. The deadliest type of skin cancer that comes from melanin-producing cells becoming cancerous:
basal cell carcinoma
squamous cell carcinoma
malignant melanoma(CORRECT ANSWER)
benign cancer
38. Which type of skin cancer is the most common?
Basal cell carcinoma(CORRECT ANSWER)
Squamous cell carcinoma
Malignant melanoma
none of the choices
39. What are the causes of skin cancer?
UV radiation from the sun
UV radiation from tanning beds
Genetics
All the choices(CORRECT ANSWER)
40. Some of the dangers associated with severe burns include:
tissue damage and cell death
dehydration
shock
All of the choices (CORRECT ANSWER)
41. When assessing melanoma, the ABCD rule is often used. The acronym stands for:
Asymmetry, Border Irregularity, Color, Diameter(CORRECT ANSWER)
Asymmetry, Brightness, Clues, Diameter
Asymmetry, Brilliance, Circumference, Diameter
none of the choices
42. Which layer of skin is “A” referring to?
Epidermis(CORRECT ANSWER)
Dermis
Hypodermis
Melanin
43. To what layer of skin is letter “B” pointing?
Epidermis
Dermis(CORRECT ANSWER)
Hypodermis
Melanin
44. To what layer of skin is letter “C” pointing?
Epidermis
Dermis
Hypodermis(CORRECT ANSWER)
Melanin
45. To what structure is #1 pointing?
Hair follicle
Hair shaft(CORRECT ANSWER)
Hair root
Epidermis
46. To what structure is #3 pointing?
Sweat gland and duct(CORRECT ANSWER)
Sweat pore
Arrector pili muscle
Sebaceous oil gland
47. To what structure is #4 pointing?
Sweat gland and duct
Sweat pore
Arrector pili muscle
Sebaceous oil gland(CORRECT ANSWER)
48. Another name for the hypodermis layer of the skin:
Epidermis
Dermis
Subcutaneous(CORRECT ANSWER)
Sebaceous
49. The structure that holds the root of the hair firmly in place.
Hair follicle(CORRECT ANSWER)
Hair shaft
Hypodermis
Sweat pore
50. The epidermis receives nutrients from blood vessels located in the:
Epidermis
Hypodermis (CORRECT ANSWER)
Hair follicle
Hair shaft