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

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