Exploring the Integumentary System

The waterproofing protein that fills the cells in the upper layers of the epidermis.

• Keratin

• Melatonin

• Melanin

• Actin

What is #9 pointing to?

• sebaceous gland

• sudoriferous gland

• messiner's corpuscle

• pacinian corpuscle

What are the 3 layers of the skin?

• Epidermis, dermis, hair

• Dermis, hypo dermis, nails

• Epidermis, dermis, fatty layer

Which layer of the skin is primarily responsible for the production of new skin cells?

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous layer

What is the main function of melanocytes in the skin?

• Producing collagen

• Producing melanin

• Producing keratin

• Producing sweat

Which of the following is NOT a function of the integumentary system?

• Protection

• Sensation

• Hormone production

• Temperature regulation

Which protein is most abundant in the outer layer of the skin and provides waterproofing?

• Collagen

• Elastin

• Keratin

• Melanin

How does the skin contribute to homeostasis when the body temperature rises?

• By producing more melanin

• By constricting blood vessels

• By dilating blood vessels and increasing sweat production

• By decreasing sweat production

Which layer of the skin contains blood vessels, nerves, and hair follicles?

• Epidermis

• Dermis

• Hypodermis

• Stratum corneum

What is the primary role of the hypodermis?

• To produce sweat

• To provide insulation and cushioning

• To produce melanin

• To form new skin cells