23/24 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

• third degree

• 
• second degree

• 
• first degree

• 

Organize these options into the right categories

Groups:

(a) first degree burn

,

(b) second degree burn

,

(c) third degree burn

• blistering of the skin

• caused by hot objects

• surface layer of skin will shed

• caused by slight burn

• minor sunburn

• epidermis only

• charred appearance

• caused by corrosive chemicals

• epidermis, dermis and accessory organ damage

• epidermis and dermis layers

• 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

• Develops due to excessive exposure to sunlight.

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

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

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

• Unpigmented cells & pigmented melanocytes mutate.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1