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N3: Integumentary System

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

Functions of the Skin

a)

Thermoregulation

b)

Synthesis of Vitamin B

c)

Blood Reservoir

d)

Cutaneous Sensation

2.

Subcutaneous layer that binds the skin to underlying structures, also serves as a storage for fat

a)

Dermis

b)

Hypodermis

c)

Epidermis

3.

fifth layer of the epidermis found only in thick skin, such as palms, soles, fingertips

a)

stratum lucidum

b)

stratum basale

c)

stratum corneum

d)

stratum spinosum

4.

most superficial layer of the epidermis, cells are shed periodically and are replaced by cells from deeper strata

a)

stratum lucidum

b)

stratum basale

c)

stratum corneum

d)

stratum spinosum

5.

contains keratinocytes undergoing apoptosis

a)

stratum granulosum

b)

stratum basale

c)

stratum corneum

d)

stratum spinosum

6.

innermost layer, produces new cells that are continuously shed or worn away

a)

stratum granulosum

b)

stratum basale

c)

stratum corneum

d)

stratum spinosum

7.

spiny layer, consists of thorn-like spines under microscope but are rounded and larger tissues in reality

a)

stratum granulosum

b)

stratum basale

c)

stratum corneum

d)

stratum spinosum

8.

when arranging the epidermal layers, what is the layer below stratum spinosum?

(a)  

9.

TRUE OR FALSE: New skin cannot regenerate if injury destroys a large area of stratum Basale and its stem cells.

a)

TRUE

b)

FALSE

10.

region of the dermis, where fingerprints are created, increasing the surface area of the epidermis, and help the fingers and toes to group surfaces

(a)  

11.

what part of the nail does the cell rapidly reproduce?

a)

cuticle

b)

nail matrix

c)

nail bed

d)

nail body

12.

which major skin gland is primarily responsible for producing a secretion predominantly composed of water, but only takes some amount of salts and electrolytes?

a)

lacrimal glands

b)

eccrine glands

c)

sebaceous glands

d)

ceruminous glands

13.

which specific structure is instrumental in birthing new hair cells at the foundational level of the hair follicle and remains pivotal in determining both hair growth and its texture?

a)

hair bulb

b)

papilla

c)

shaft

d)

arrector pili

14.

commonly referred to as cuticle, it is the thin tissue layer that covers and protects the area where the nail plate meets the proximal skin of the finger

a)

lunula

b)

nail bed

c)

eponychium

d)

hyponychium

15.

what is responsible for the hardness and water resistance of our skin hair and nails?

a)

protein

b)

Langerhans cells

c)

Merkel cells

d)

keratin

16.

correct sequence of deep wound healing:

a)

maturation, migratory, proliferative, inflammatory

b)

proliferative, migratory, inflammatory, maturation

c)

inflammatory, migratory, proliferative, maturation

d)

migratory, inflammatory, maturation, proliferative

17.

why are the nails pink?

a)

melanin

b)

lymphatic vessels

c)

leukocytes

d)

blood vessels

18.

phases of hair growth in order

a)

telogen, anagen, catagen

b)

anagen, catagen, telogen

c)

catagen, anagen, telogen

d)

anagen, telogen, catagen

19.

Response where epidermal cells stop migrating around the wound

a)

Contact inhibition

b)

Wound healing

c)

Meshing

d)

Skin grafting

20.

Where do hair and nails originate

a)

Hypodermis

b)

Dermis

c)

Epidermis