Functions of the Skin Quiz

How does the skin help in protecting the body from harmful substances and microorganisms?

• By synthesizing certain biochemicals

• By slowing down water loss by diffusion

• By acting as a protective covering

• By housing sensory receptors

What happens to sweat glands during hyperthermia?

How does the body cool down when sweat is released?

What is the body's response to excess cooling (hypothermia)?

What is the body's normal response to injury that causes tissues to become red and swollen?

• Infection

• Inflammation

• Regeneration

• Dehydration

What type of injuries require a more extensive response?

• Superficial injuries

• Minor injuries

• Deeper injuries extending into the dermis or subcutaneous layer

• Surface injuries

What causes pain during inflammation?

• Increased permeability of blood vessels

• Vasodilation, more blood in area

• Large amount of blood accumulating in area

• Injury to neurons and increased pressure from edema

What is the primary function of macrophages in wound healing?

• To form blood clots

• To produce collagen

• To engulf and digest cellular debris and pathogens

• To regenerate the epidermis