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Integumentary System Quiz

The integumentary system comprises the skin and its appendages acting to protect the body from various kinds of damage, such as loss of water or damages from outside. The integumentary system includes hair, scales, feathers, hooves, and nails.

It has a variety of additional functions; it may serve to waterproof, and protect the deeper tissues, excrete wastes, and regulate body temperature, and is the attachment site for sensory receptors to detect pain, sensation, pressure, and temperature. In most land vertebrates with significant exposure to sunlight, the integumentary system also provides for vitamin D synthesis. – wikipedia

Integumentary System

Integumentary System Test Answers

1. A major function of skin is protection from:

  • Abrasion
  • UV light
  • Entry of microorganisms
  • All of the above

2. What are functions of skin?

  • Protect Bones
  • Protect Muscles
  • Protect Organs
  • All of the above

3. The waterproofing protein that fills the cells in the upper layers of the epidermis.

  • Keratin
  • Melatonin
  • Melanin
  • Actin

4. Which is NOT a function of the skin?

  • Insulation
  • Movement
  • Excretion
  • Vitamin D Production

5. Melanocytes are located in the ___________.

  • Subcutaneous
  • Hypodermis
  • Dermis
  • Epidermis

6. The type of cell that produces melanin, which protects us against harmful UV rays.

  • Keratinocytes
  • Melanocytes
  • Eccrinocytes
  • Melatonin

7. This gland releases an oil known as sebum.

  • Sebacious gland
  • Apocrine Gland
  • Eccrine Gland
  • All of the above

8. What is the top layer of the skin called?

  • Dermis
  • Hypodermis
  • Epidermis
  • Subcutaneous

9. true or false freckles and moles are seen where melanin is concentrated in one spot

  • true
  • false

10. true or false
ridges of the finger along with sweat pores leave a unique identifying film of sweat called a fingerprint

  • true
  • false

11. Nails are made out of what?

  • All of the Above
  • Terminal
  • Vellus
  • Keratin 

12. What is the largest organ in the human body?

  • Skin
  • Hair
  • Nails
  • All of the Above

13. Where is the thinnest skin located?

  • Ears
  • Eyelids
  • Elbow
  • Nose

14. What is another name for the hypodermis?

  • epidermis
  • subcutaneous layer
  • stratum basale

15. The most important function of skin is:

  • Protection
  • Storing fat
  • Sweating
  • Insulation

16. Where is the thickest skin found on the body?

  • Soles of the feet
  • Palms of the hands
  • Scalp
  • Elbows

17. The top layer of the epidermis is made of:

  • flat, dead cells
  • melanin
  • collagen
  • healthy, living cells

18. In which of these layers are melanocytes found?

  • Dermis
  • Hypodermis
  • Stratum basale
  • Epidermis

19. Which layer of the skin contains lots of adipose tissue and blood vessels?

  • Dermis
  • Epidermis
  • Keratin
  • Hypodermis

20. Melanin:

  • Helps protect skin from UV radiation
  • Is found in almost every human being
  • Is responsible for skin color
  • All of the above

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
  • 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
  • all of these

23. A bacterial infection of the integumentary system:

  • Athlete’s foot
  • Herpes
  • Boils
  • 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
  • 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
  • cause sweat glands to contract

26.  Which of the following is NOT part of the integumentary system?

  • Skin
  • Cartilage
  • 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
  • 3rd degree burn
  • none of the choices

28. A viral infection of the integumentary system:

  • Athlete’s Foot
  • Boils
  • Ringworm
  • Herpes

29. Some medications can be absorbed directly through the skin by using patches

  • True
  • False

30. A medical term for baldness:

  • Keratin
  • Dermatitis
  • Baldy Syndrome
  • Alopecia

31. Caused by a complete lack of melanin:

  • Dermatitis
  • Alopecia
  • Albinism
  • 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
  • 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
  • Melanin

34. This is produced at the Sebaceous gland and helps lubricate your skin; keeping it soft and pliable.

  • Keratin
  • Sebum
  • Collagen
  • Melanin

35. Inflammation of the skin:

  • Dermatitis
  • Keratin
  • Alopecia
  • Albinism

36. The three main types of skin cancer are:

  • Basal cell, squamous cell, and melanoma
  • 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
  • benign cancer

38. Which type of skin cancer is the most common?

  • Basal cell carcinoma
  • 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

40.  Some of the dangers associated with severe burns include:

  • tissue damage and cell death
  • dehydration
  • shock
  • All of the choices 

41. When assessing melanoma, the ABCD rule is often used.  The acronym stands for:

  • Asymmetry, Border Irregularity, Color, Diameter
  • Asymmetry, Brightness, Clues, Diameter
  • Asymmetry, Brilliance, Circumference, Diameter
  • none of the choices

42. Which layer of skin is “A” referring to?

  • Epidermis
  • Dermis
  • Hypodermis
  • Melanin

43. To what layer of skin is letter “B” pointing?

  • Epidermis
  • Dermis
  • Hypodermis
  • Melanin

44. To what layer of skin is letter “C” pointing?

  • Epidermis
  • Dermis
  • Hypodermis
  • Melanin

45. To what structure is #1 pointing?

  • Hair follicle
  • Hair shaft
  • Hair root
  • Epidermis

46. To what structure is #3 pointing?

  • Sweat gland and duct
  • 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

48. Another name for the hypodermis layer of the skin:

  • Epidermis
  • Dermis
  • Subcutaneous
  • Sebaceous

49. The structure that holds the root of the hair firmly in place.

  • Hair follicle
  • Hair shaft
  • Hypodermis
  • Sweat pore

50. The epidermis receives nutrients from blood vessels located in the:

  • Epidermis
  • Hypodermis
  • Hair follicle
  • Hair shaft

Terms and Answers to Learn


skin (covering)
the subcutaneous tissue just deep to the skin made up of mostly adipose tissue
stores fat, anchors the skin, and acts as a shock absorber
What is the function of the hypodermis?
the outer layer of the skin made up of keratinized stratified squamous epithelium
epidermal cell that produces keratin
the fibrous protein that makes skin waterproof and keeps it strong, also found in hair and nails
Greek meaning of “kera”
epidermal cell that produces the brown piment melanin
Langerhans’ cell
epidermal cell that acts as a macrophage to activate our immune system to destroy foreign substances
stratum basale
deepest epidermal layer made of a single row of cells that undergo rapid cell division
Merkel cell
epidermal cell functions as touch receptors in association with sensory nerve endings
epidermis, dermis, hypodermis
What are the three regions of the skin?
stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale
List the 5 layers of the epidermis in order from the superficial to deepest layer.
stratum lucidum
Which layer of the epidermis is found only in thick skin?
stratum basale
Which layer of the epidermis consists of a single row of cells where rapid cell division occurs?
stratum spinosum
Which layer of the epidermis is made up of a weblike system of intermediate filaments with flattened keratinocytes that appear “spiny”
stratum granulosum
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
papillary and reticular
What are the two layers of the dermis?
dermal papillae
What are the peglike projections on the superior surface of the dermis that indent the overlying epidermis?
Pacini corpuscle
cell deep in the dermis that is
capable of detecting pressure
Meissner’s corpuscles
sensitive touch receptors in the dermis
stretch marks
silvery white scars caused by extreme stretching of the dermis during pregnancy
the separation of the epidermal and dermal layers by a fluid-filled pocket
pigment that ranges in color from yellow to reddish-brown to black that is produced when the skin is exposed to sunlight
yellow to orange pigment that is most obvious in the palms of the hands and soles of the feet
pink-red pigment
A condition that occurs when hemoglobin is poorly oxygenated causing the skin to appear blue
term that means “sweat”
eccrine (merocrine) sweat gland
produces true sweat; abundant on the palms of hand, soles of the feet, and forehead
apocrine sweat glands
produce true sweat plus fatty substances and proteins; found in the axillary (armpit) and anogenital areas of the body
ceruminous glands
modified apocrine glands found in the lining of the external ear canal; produce sticky, bitter substance called cerumen (earwax)
mammary glands
specialized sweat glands that secrete milk
sebaceous glands
oil glands
What stimulates sebum production?
an active inflammation of the sebaceous glands accompanied by pimples on the skin
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 is the function of hair?
shaft and root
What are the chief regions of the hair?
hair shaft
The portion of the hair that projects beyond the skin
hair root
is the part of, the part of the hair contained within the follicle, below the surface of the skin
vellus and terminal
What are the two types of hair?
vellus hair
fine hair found on children and adult female
terminal hair
coarse, long hair found on the head, eyebrows, axillary and genital areas: growth stimulated by male sex hormones
hair thinning and balding
true or frank baldness
male pattern baldness genetically determined
scalelike modification of the epidermis that forms a clear protective covering on the dorsal surface of a finger or toe
Regulates body temperature; Produces Vitamin D; Protection from chemical and physical injury: Blood reservoir; Excretion of nitrogenous wastes
What are the functions of the skin?
basal cell carcinoma, squamous cell carcinoma, melanoma
What are the three types of skin cancer?
basal cell carcinoma
the least malignant and most common type of skin cancer
the most dangerous skin cancer
ABCD(E) rule
Asymmetry, Border irregularity, Color, Diameter, (Elevation)
tissue damage inflicted by intense heat, electricity, radiation, or certain chemicals, which denature proteins and cause cell death
first degree burn
involves only epithelium; redness, heat (i.e. sunburn)
second degree burn
destroys the epidermis and part of the dermis; characterized by pain, blisters, swelling, and discoloration.
third 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
rule of nines
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

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