Integumentary review

Multiple Choice

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

• Protection against pathogens

• Regulation of body temperature

• Production of red blood cells

• Sensation

Open Ended

Why is understanding the structure and function of the integumentary system important for overall health?

Multiple Choice

Which of the following is NOT an accessory structure of the skin?

• Hair

• Nails

• Bones

• Glands

Multiple Select

Which of the following are functions of the subcutaneous layer (hypodermis)?

• Binds skin to underlying tissues

• Produces keratin

• Insulates to conserve body heat

• Contains blood vessels

Multiple Choice

Which layer of the skin contains blood vessels, nerves, and connective tissue?

• Epidermis

• Dermis

• Stratum corneum

• Stratum basale

Fill in the Blanks

The process by which keratinocytes harden, dehydrate, and die is called

.

Multiple Choice

Which of the following correctly lists the order of the layers of the epidermis in thick skin, from deepest to most superficial?

• Stratum corneum, stratum granulosum, stratum spinosum, stratum basale, stratum lucidum

• Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

• Stratum basale, stratum granulosum, stratum spinosum, stratum lucidum, stratum corneum

• Stratum spinosum, stratum basale, stratum granulosum, stratum corneum, stratum lucidum

Open Ended

Explain the significance of the stratum lucidum and where it is found in the body.

Multiple Choice

What is the main function of melanin produced by melanocytes?

• To protect DNA of skin cells from UV radiation

• To provide nutrients to the skin

• To produce sweat

• To regulate body temperature

Multiple Select

Which of the following statements about skin color are correct?

• Skin color is genetically determined

• All people have the same number of melanocytes

• Exposure to sunlight increases melanin production

• Skin color is only determined by environmental factors

Open Ended

Explain how circulation within dermal blood vessels can affect skin color.

Fill in the Blanks

The genetically determined pattern of friction ridges formed by dermal papillae provides for unique

.

Open Ended

Describe the relationship between the epidermal ridges and dermal papillae and their significance for the skin.

Multiple Choice

Which structures are found in the dermis but not in the epidermis?

• Sweat glands and blood vessels

• Melanocytes and keratinocytes

• Stratum corneum and stratum basale

• Hair shaft and sweat gland pores

Multiple Choice

Which structure is the most actively growing region of the nail root?

• Lunula

• Nail plate

• Cuticle

• Nail bed

Multiple Select

Which of the following are components of the nail as shown in the longitudinal and dorsal view?

• Nail plate

• Nail bed

• Lunula

• Hair follicle

Fill in the Blanks

Each hair develops from epithelial stem cells at the base of a tube-like depression called the

Multiple Choice

Which pigment is primarily responsible for the brownish-black color of hair?

• Eumelanin

• Pheomelanin

• Keratin

• Melatonin

Multiple Choice

What is the function of the arrector pili muscle as described in the slides?

• It causes goose bumps by contracting in response to cold or emotional upset

• It produces melanin for hair color

• It forms the hair shaft

• It nourishes the hair bulb

Multiple Choice

Which type of sweat gland is most abundant and responds to body temperature?

• Eccrine gland

• Apocrine gland

• Sebaceous gland

• Ceruminous gland

Open Ended

Name two modified sweat glands and describe their functions.

Multiple Choice

Which structures in the skin are responsible for producing an oily substance that moisturizes hair shafts and skin?

• Sebaceous glands

• Eccrine sweat glands

• Apocrine sweat glands

• Mammary glands

Multiple Choice

Which of the following are functions of the skin?

• Protection against pathogens

• Synthesis of vitamin D

• Excretion of wastes

• All of the above

Fill in the Blanks

Fill in the blank: The skin helps regulate body temperature by activating sweat glands and causing

or vasoconstriction of dermal blood vessels.

Open Ended

Reflecting on today's lesson about the integumentary system, what is one question you still have or something you would like to learn more about?

Multiple Choice

Which of the following is NOT one of the learning objectives for Chapter 6 on the Integumentary System?

• Describe the structure of the layers of the skin.

• Summarize the factors that determine skin color.

• Explain the process of cellular respiration.

• List various skin functions.