12 Questions
What is the primary function of the skin?
Acting as a protective barrier
What results from damage to the nerve cells in the skin?
Increased risk of wound infection
Which of the following is NOT a function of the skin?
Producing insulin
What do the nerve cells in the skin help to detect?
Variations in temperature
Which layer of the skin contains nerve cells responsible for detecting changes in the environment?
Dermis
In what ways does the skin act as a protective barrier?
Protection from radiation and chemicals
What cells in the epidermis are responsible for producing melanin?
Melanocytes
Which layer of the skin contains blood and lymph vessels, hair follicles, and glands?
Dermis
What type of cells make up 95% of the epidermis?
Keratinocytes
Which substance helps keep the skin from drying out?
Sebum
Which layer of the epidermis is closest to the blood supply?
Stratum basale
What is the main protein produced by keratinocytes in the epidermis?
Keratin
Test your knowledge on the three main functions of the skin: protection, regulation, and sensation. Learn about how the skin acts as a barrier against various threats, regulates body temperature and fluid balance, and plays a key role in sensing the environment.
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