U1L4 Quiz Review

Circle the structure that is responsible for causing the hair on your arms to stand on end.

Your arrector pili will pull on the hair follicle causing the hair to stand on end. This action is completely _. ​ (a)  

• voluntary
• involuntary

Match the following types of burns with their appropriate image

• first degree

• 
• third degree

• 
• second degree

• 

Organize these options into the right categories

Groups:

(a) first degree burn

,

(b) second degree burn

,

(c) third degree burn

• caused by hot objects

• epidermis and dermis layers

• epidermis only

• blistering of the skin

• caused by slight burn

• caused by corrosive chemicals

• charred appearance

• surface layer of skin will shed

• epidermis, dermis and accessory organ damage

• minor sunburn

• major sunburn

• caused by prolonged exposure to flames

Organize these options into the right categories

Groups:

(a) calluses

,

(b) psoriasis

,

(c) cancer

• 
• 
• 
• 
• 
• 
• 
• 
• 

Tags

NGSS.MS-LS3-1

Organize these options into the right categories

Groups:

(a) Calluses

,

(b) skin cancer

,

(c) psoriasis

• Results in white, silver, or red patches of skin.

• When epidermal cells to grow too quickly (7X more).

• Unpigmented cells & pigmented melanocytes mutate.

• Develops due to excessive exposure to sunlight.

• Due to excessive rubbing/friction, mitosis (cell division) will increase

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

Label the structures of the skin.

a

b

c

d

e

f

g

Epidermis

Dermis

Sebaceous gland

Arrector pili muscle

Hair follicle

Hypodermis

Sudoriferous gland

Jared just burned his hand on a hot pot. A blister forms and the burn is painful. Jared's burn would best be described as

• a sunburn

• a first degree burn

• a second degree burn

• a third degree burn

Match the following burn images to the degree.

• second degree burn

• 
• first degree burn

• 
• third degree burn

• 

These are the tiny muscle fibers attached to hair follicles that cause the hair to stand erect in response to cold or fear--- known as goose bumps.

• unguis

• lunula

• arrector pili

• vitiligo

Tags

NGSS.MS-LS1-5