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

• 
• second degree

• 
• third degree

• 

Organize these options into the right categories

Groups:

(a) first degree burn

,

(b) second degree burn

,

(c) third degree burn

• epidermis only

• caused by hot objects

• blistering of the skin

• epidermis and dermis layers

• charred appearance

• epidermis, dermis and accessory organ damage

• minor sunburn

• caused by prolonged exposure to flames

• caused by slight burn

• surface layer of skin will shed

• major sunburn

• caused by corrosive chemicals

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

• Develops due to excessive exposure to sunlight.

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

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

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

• Unpigmented cells & pigmented melanocytes mutate.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

Label the structures of the skin.

a

b

c

d

e

f

g

Sudoriferous gland

Sebaceous gland

Hair follicle

Arrector pili muscle

Dermis

Hypodermis

Epidermis

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.

• third degree burn

• 
• second degree burn

• 
• first 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