Integumentary System Review

Multiple Choice

Which of the following is the main function of the integumentary system?

• Protection

• Synthesizing vitamin D

• Regulating body temperature

• Excretion

Multiple Choice

Which layer of the skin is primarily responsible for providing nutrients to the epidermis?

• Epidermis

• Dermis

• Hypodermis

• Stratum corneum

Multiple Choice

What are the three main layers of the skin?

• The epidermis, the dermis, and the hypodermis

• The epidermis, the dermis, and the sebaceous
• The dermis, the sebaceous, and the sudoriferous
• The sudoriferous, the dermis, and the epidermis

Multiple Choice

What cell produces a protein allows for waterproofing of the skin, nails, and hair?

• Keratinocytes
• Melanocytes
• Merkel (Tactile) Cells
• Langerhans (Dendritic) cell

Multiple Choice

The coloring in the skin; found in the epidermis.

• Melanin
• Oil
• Perspiration
• Pores

Multiple Choice

Which type of epidermal cell is responsible for activating the immune system?

• Keratinocytes

• Melanocytes

• Dendritic (Langerhans) cells

• Tactile epithelial (Merkel) cells

Fill in the Blanks

The stratum

is the basal layer of the epidermis where most new cells are made.

Multiple Choice

The oldest cells of the epidermis will be found here

• Stratum Corneum
• Stratum Basale
• Stratum Spinosum
• Stratum Granulosum

Multiple Choice

What layer of the skin contains sweat glands?

• Dermis

• Epidermis

• Hypodermis

• Subcutaneous

Multiple Choice

The epidermis is composed of _____.

• stratified squamous epithelium
• simple columnar epithelium
• adipose tissue
• connective tissue

Multiple Choice

What layer of the of the skin is found only in the palms of yours hands and the soles of your feet?

• Stratum granulosum
• Stratum spinosum
• Stratum lucidum
• Stratum basale

Multiple Choice

The hypodermis consists of loose connective tissue and 

• adipose tissue
• dense connective tissue
• nerve tissue
• muscle tissue

Multiple Choice

This gland releases an oil known as sebum.

• Sebacious gland
• Apocrine Gland
• Eccrine Gland
• All of the above

Multiple Choice

What is the function of the arrector pili muscle?

• To secrete sebum
• To produce keratin
• To make hairs stand on end
• None of these

Multiple Choice

The pigment carotene can give a person a _________.

• Black color

• Red color

• Orange Yellow color

• Pink color

Multiple Choice

Sebaceous glands refer to

• Sweat glands

• Hair glands

• Oil glands

• Exocrine glands

Multiple Choice

Where can you find dead skin cells?

• Your innermost layer of skin

• Your outermost layer of skin

• The border between the epidermis and the dermis

• The border between the dermis and the hypodermis

Multiple Choice

What is another name for the hypodermis?

• epidermis
• subcutaneous layer
• stratum basale

Multiple Select

Which of the following are functions of the hypodermis?

• Insulation against heat loss

• Energy storage

• Production of keratin

• Shock absorber

Multiple Choice

Which layer of hair is made of soft keratin and forms the central core?

• Cuticle

• Cortex

• Medulla

• Root hair plexus

Multiple Choice

Which structure is responsible for supplying hair with nutrients and signaling growth?

• Arrector pili

• Root hair plexus

• Dermal papilla

• Hair shaft

Fill in the Blanks

The shape of the hair follicle determines whether hair is straight, wavy, or

.

Multiple Choice

Which part of the nail is embedded in the skin?

• Nail bed

• Nail matrix

• Nail root

• Nail body

Multiple Choice

What type of secretion is produced by apocrine sweat glands?

• Sweat

• Sebum

• Sweat + proteins and fatty substances

• Ear wax

Multiple Select

Which of the following are functions of sebaceous glands?

• Lubricate and soften skin

• Temperature control

• Slow water loss

• Antibacterial properties

Multiple Choice

Which of the following is NOT a barrier created by the skin for protection?

• Physical barrier from layers of cells

• Chemical barrier from antibiotics and low pH

• Biological barrier from immune cells

• Electrical barrier from nerve impulses

Multiple Choice

Which of the following sensory receptors in the skin are correctly matched with their function?

• Meissner's corpuscles - sense pain

• Pacinian corpuscles - detect fast vibrations and deeper pressure

• Root hair plexus - detect stretch

• Ruffini endings - detect texture changes

Multiple Choice

What is the main function of the integumentary system?

• Protection

• Synthesizing vitamin D

• Regulating body temperature

• Excretion