WEEK 5

What is the largest organ system in the human body?

• Nervous system

• Muscular system

• Integumentary system

• Digestive system

What percentage of body weight does the integumentary system account for?

• 5%

• 10%

• 16%

• 20%

The integument is made up of which two main parts?

• Epidermis and Dermis

• Cutaneous membrane and Accessory structures

• Hypodermis and Epidermis

• Sebaceous and Sweat glands

Which of the following is NOT an accessory structure of the integumentary system?

• Hair

• Nails

• Sweat glands

• Ligaments

The outermost layer of the skin is called the:

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous layer

The dermis is located:

• Above the epidermis

• Below the epidermis

• Inside the epidermis

• Outside the body

What is the main function of keratinized cells in the epidermis?

• Provide pigmentation

• Waterproof and protect the skin

• Store fat

• Transmit nerve impulses

Which layer of the epidermis is responsible for new cell production?

• Stratum corneum

• Stratum granulosum

• Stratum spinosum

• Stratum germinativum (basale)

How long does it take for a cell from the stratum basale to reach the stratum corneum?

• 1-2 days

• 5-7 days

• 15-30 days

• 60 days

Which layer is found only in thick skin?

• Stratum corneum

• Stratum lucidum

• Stratum spinosum

• Stratum granulosum