What it Do?
What is the primary function of the integumentary system?
To form the external surface of the body
What is the epidermis composed of?
Epithelial cells
Which option below mainly contributes to scar formation?
Excess collagen and buildup
*CLAPPING BONUS (+300)Which factor determines the amount of melanin activity in an area?
The length of melanocyte tentacles and the number of keratinocytes
*Hopping Bonus (Double Points)*Name The Layers Of Skin
Epidermis, Dermis and Hypodermis
Which cells in the epidermis are responsible for producing melanin?
Melanocytes
Wound repair can be compared to repairing a home. Which phase of the healing process is similar to containing a burst pipe?
Hemostasis
What produces a yellow/orange hue in the skin?
High carotene
What does the integumentary system protect the body from?
Elements and microbes
*Woo Hoo Bonus* (Your choice points) What type of glands are found in the dermis?
Sudoriferous glands
What is the primary purpose of a fibrin clot?
To seal broken capillaries and prevent infection
What produces a pale grey/blue hue in the skin?
Low hemoglobin
What does "avascular" mean in the context of the epidermis?
Lacks blood vessels
Which layer of the skin contains the papillary layer?
Dermis
Growth factors are responsible for calling additional cells to a wound. Which types of cells might respond to the growth factors?
Neutrophils and macrophages
An individual has a lighter skin tone, while another individual has a darker skin tone. Which statement below best describes the reason?
The darker skin tone has more active melanocytes
Which part of the body has the thinnest epidermis?
Eyelids
Which layer is located above the reticular layer in the dermis?
Papillary layer
How long does the inflammatory phase last?
One to four days after the injury
Which cell type is involved in skin structure?
Keratinocytes