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Worksheets

Integumentary System

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Which layer of the epidermis contains actively dividing cells?

a)

stratum corneum

b)

stratum basale

c)

stratum granulosum

d)

stratum lucidum

2.

When you scratch your skin, what comes off as white flakes are mostly cells from the stratum:

a)

corneum

b)

spinosum

c)

basale

d)

granulosum

3.

When you are overexposed to sunlight, your body produces less melanin to protect you from the ultraviolet light.

a)

true

b)

false

4.

What are the layers of the SKIN in order from superficial to deep?

a)

corneum, lucidum, granulosum, spinosum, basale

b)

epidermis, dermis, subcutaneous layer

c)

subcutaneous, dermis, epidermis

5.

The "tanning" effect (darkening of the skin) that occurs when a person is exposed to the sun is somewhat protective due to:

a)

added layers of epidermis that thicken the skin

b)

an increased concentration of keratin that "toughens" the skin

c)

an increased blood supply that carries the heat of the sun away

d)

increased production of melanin that helps to block ultraviolet light

6.

What is the arrector pili and what is it attached to?

a)

a muscle that is attached to the hair shaft

b)

connective tissue that is attached to sebaceous glands

c)

connective tissue that is attached to sweat gland

d)

a muscle that is attached to the hair follicle

7.

When the body temperature rises above normal, dermal blood vessels are likely to constrict.

a)

true

b)

false

8.

Which of the following is NOT a substance secreted to help with the regulation of pain impulses

a)

enkephalins

b)

serotonin

c)

endorphins

d)

heparin

9.

The most external skin region is composed of:

a)

simple columnar epithelium

b)

dense fibrous connective tissue

c)

stratified squamous epithelium

d)

adipose

10.

Which part of the skin contains melanocytes?

a)

stratum corneum

b)

stratum lucidum

c)

stratum spinosum

d)

stratum basale

11.

The cells that produce the shaft of the hair are:

a)

adipose tissue cells

b)

loose connective tissue cells

c)

fibrous connective tissue cells

d)

epithelial cells

12.

Examples of modified sweat glands are

a)

armpit sweat glands and mammary glands

b)

ear wax glands and mammary glands

c)

armpit sweat glands and ear wax glands

d)

mammary glands and scalp sweat glands

13.

Which of the following infections is characterized by small fluid filled blisters that itch and sting, caused by the herpes virus?

a)

cold sores

b)

boils

c)

contact dermatitis

d)

impetigo

14.

Which of the following is an indication of melanoma?

a)

spot on the skin that is smaller than the size of a pencil eraser

b)

pigmented spot that has smooth borders

c)

symmetrical mole

d)

pigmented spot that contains areas of different colors

15.

Skin cells play an important role in the production of

a)

Vitamin C

b)

Vitamin A

c)

Vitamin D

d)

Vitamin B

16.

What do sebaceous glands secrete?

a)

sebum

b)

collagen

c)

keratin

d)

sweat

17.

Skin color does not result from which of the following factors?

a)

genetic

b)

anatomical

c)

environmental

d)

physiological

18.

Hair color is determined by

a)

pheomelanin for light colored hair

b)

differing amounts of melanin to give the varying shades

c)

a combination of both eumelanin and pheomelanin

d)

eumelanin for dark colored hair

19.

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 __________________

a)

lucidem

b)

corneum

c)

spinosum

d)

granulosum

20.

What type of scar is a result of an overly aggressive healing process and extends beyond the original injury?

a)

acne scars

b)

keloid scars

c)

contractile scars

d)

hypertrophic scars

21.

The hair shaft contains cells that are dead.

a)

true

b)

false

22.

The only function of melanin is provide skin color.

a)

true

b)

false

23.

Which of the following has no blood supply of its own?

a)

dermis only

b)

epidermis only

c)

demis and epidermis

d)

subcutaneous layer

24.

When the skin is burned, what are the two life threatening problems that can arise?

a)

infection and pain

b)

infection and organ failure

c)

infection and dehydration

d)

dehydration and paon

25.

The skin does NOT function to:

a)

regulate body temp

b)

generate heat

c)

excrete wastes

d)

retard water loss

26.

Which type of gland responds to body temperature, stress, and sexual arousal?

a)

eccrine

b)

sebaceous

c)

apocrine

d)

sudoriferous

27.

A burn that involves the only the epidermis is called a second degree burn.

a)

true

b)

false

28.

Acne is a disorder associated with inflammation of the

a)

sebaceous gland

b)

sudoriferous gland

c)

sweat gland

d)

hair follicles

29.

The main function of melanocytes is to

a)

help control body temp

b)

produce vitamin D

c)

protect deeper cells by producing melanin

d)

remove dead cells by phagocytosis

30.

As cells are pushed from the deeper portions of the epidermis toward the surface

a)

their supply of nutrients improve

b)

they tend to die

c)

they become dermal cells

d)

the divide continually

31.

The tissue response to inflammation include all of the following except:

a)

pus

b)

pain

c)

heat

d)

redness

32.

Logan had an ice pack on his swollen knee. Most likely what receptor was signaling the brain that the ice pack was cold?

a)

chemoreceptor

b)

mechanoreceptor

c)

pain receptor

d)

thermoreceptor

33.

Hair color is determined by the amount of keratin protein produced during keratinization.

a)

true

b)

false

34.

Malignant melanomas are best explained by

a)

metastasizes rapidly

b)

accounts for 15% of cancers

c)

cancer of leukocytes

d)

all are correct

35.

Hair, nails, and the outer layer of the skin are made mostly of a tough waterproof protein called:

a)

melanin

b)

collagen

c)

keratin

d)

carotene

36.

Lara keeps annoying Trish by brushing a feather across her lips. What nerve ending is most likely receiving the sensory message?

a)

Pacinian copuscles

b)

Meissner's corpuscles

c)

free nerve endings

d)

none are correct

37.

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.

a)

psoriasis

b)

jaundice

c)

impetigo

d)

bruises

38.

The outermost layer o the epidermis is the stratum basale and the innermost layer is stratum corneum.

a)

true

b)

false

39.

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.

a)

1,4,2,3

b)

2,4,1,3

c)

1,2,4,3

d)

2,1,3,4

40.

Tattoos are made permanent by ink being injected into the epidermis.

a)

true

b)

false

41.

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

a)

1,2,3,4,5

b)

4,5,2,3,1

c)

3,2,4,1,5

d)

4,2,3,1,5

42.

Which part of the nail bed is the most actively growing region?

a)

lunula

b)

cuticle

c)

nail plate

d)

dermis

43.

Which of the following is NOT a way the skin responds to excessive cooling?

a)

shivering

b)

blood vessels constrict

c)

blood vessels dilate

d)

inactivate sweat glands

44.

Which part of the skin is responsible for causing fingerprints?

a)

arrector pilli

b)

dermal papillae

c)

hair follicles

d)

stratum basale

45.

Which of the following is not correct concerning the skin?

a)

The dermis contains muscle and nerve tissue

b)

The epidermis is composed of stratified squamous epithelium

c)

The dermis is usually thicker than the epidermis

d)

The subcutaneous layer is between the dermis and epidermis

46.

Which of the following is the primary cause of decubitus ulcer formation?

a)

maintaing one body position

b)

providing adequate fluid intake

c)

massaging the skin

d)

eating foods rich in proteins

47.

The subcutaneous layer is located:

a)

above the dermis

b)

beneath the dermis

c)

between the dermis and epidermis

d)

beneath the epidermis

48.

Squamous cell carcinomas are most commonly caused by exposure to

a)

gamma rays

b)

UV rays

c)

x rays

d)

mutagenic chemical

49.

_________________ is the pigment produced by melanocytes.

a)

melanin

b)

sebum

c)

keratin

d)

vitamin D

50.

Which part of the brain helps to regulate body temperature?

a)

thalamus

b)

brain stem

c)

hypothalamus

d)

cerebral cortex