Unit 6: Protection

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

• Keratin
• Melatonin
• Melanin
• Actin

Which is NOT a function of the skin?

• Insulation
• Movement
• Excretion
• Vitamin D Production

This gland releases an oil known as sebum.

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

What is the top layer of the skin called?

• Dermis
• Hypodermis
• Epidermis
• Subcutaneous

What is the function of the arrector pili muscle?

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

What part of the integumentary system is #2?

• epidermis

• hypodermis

• dermis

• subcutaneous tissue

What is #9 pointing to?

• sebaceous gland

• sudoriferous gland

• messiner's corpuscle

• pacinian corpuscle

Epidermal layer found only in thick skin.

• stratum basale
• stratum spinosum
• stratum lucidum
• stratum corneum

Which type of cell found in the epidermis is responsible for immune activity and eats up foreign cells?

• adipose tissue

• keratinocytes

• Langerhans cells

• melanocytes

• Merkel cells

Which type of cell is a sensory cell and sends sensory information to the brain?

• adipose tissue

• keratinocytes

• Langerhans (dendritic) cells

• melanocytes

• Merkel cells