Functions of the Skin

Which of the following is NOT a function of the skin?

• Regulation of body temperature

• Production of Vitamin C

• Protection from UV radiation

• Sensation of pressure and pain

How does the skin contribute to temperature regulation in the body?

• By producing Vitamin D

• By excreting waste through sweat

• By sweating and blood flow near the surface

• By absorbing water and air

What is one way the skin excretes waste from the body?

• Through the production of Vitamin D

• By regulating body temperature

• Through sweat

• By sensing heat and cold

Which layer of the skin is the outermost layer?

• Dermis

• Hypodermis

• Epidermis

• Subcutis

What is the layer of skin located beneath the epidermis?

• Subcutis

• Hypodermis

• Dermis

• Cuticle

Which layer of the skin is primarily composed of fat and connective tissue?

• Epidermis

• Dermis

• Hypodermis

• Subdermis

What is the top layer of the skin called?

• Stratum basale

• Stratum corneum

• Stratum granulosum

• Stratum lucidum

Which layer of the epidermis is known for its "spiny" appearance due to the irregular shape of the cells?

• Stratum corneum

• Stratum lucidum

• Stratum granulosum

• Stratum spinosum

The Stratum lucidum is a layer found only in certain parts of the body. Where is it located?

• In the thick skin of the palms and soles of feet

• Throughout the entire epidermis

• In the thin skin covering most of the body

• In the lowermost layer of the epidermis

What is the primary function of the Stratum granulosum?

• Providing a clear layer in the skin

• Constantly dividing and pushing up cells

• Accumulating keratin granules for water-proofing the skin

• Protecting deeper layers with keratinized cells