2.3.3 Skin Structure and Homeostasis of the Skin

Labelling

Identify the layers of the dermis as the papillary layer and the reticular layer.

Drag labels to their correct position on the image

papillary layer

reticular layer

Match

Match the following

• papillary layer

• reticular layer

• collagen

• elastin

thin layer w/ nerves and blood vessels

thick layer w/bloodvessels,nerves glands

protein that provides a rigid structure

protein that promotes elasticity

• 
  

  thin layer w/ nerves and blood vessels

• thick layer w/bloodvessels,nerves glands

• protein that provides a rigid structure

• protein that promotes elasticity

Categorize

Options (4)

regulate body temp

produce body odor

found throughout body

released in response to stress

Place the following sweat gland characteristics in their correct location.

Apocrine Gland

Merocrine

Multiple Choice

How do sweat glands help regulate body temperature?

• By producing oil that insulates the skin

• 
  By secreting sweat, which cools the body as it evaporates

• 
  By releasing heat directly through the blood vessels

• 
  By causing the muscles to shiver and generate heat

Multiple Choice

Fungal infections can be difficult to remove especially when they spread under nails or into the hair follicles.

Which of the following correctly identifies skin that would be most likely to develop a fungal infection?

• skin that is sunburned

• 
  skin that is moist for long periods of time

• skin that is dry and scaly

• skin that is dehydrated and parched

Multiple Choice

The diagram shows a cross-section of the skin. Which of the following structures of the skin is indicated by label 1?

• pore

• apocrine gland

• merocrine gland

• dermis

Multiple Choice

After you finish smiling, your skin quickly rebounds back to its smooth original state. As you get older, the rate at which your skin rebounds to a smooth state slows down significantly.

Which of the following is responsible for the ability of your skin to stretch?

• adipose

• bone

• elastin

• collagen

Multiple Choice

Jack was tired after running through the woods to his house. He was sweating and was aware that he needed to wash his smelly running clothes. However, he was not cooling down as much as usual.

Which of the following best describes the type of sweat gland that would cause Jack's clothes to be smelly after running?

• 
  Apocrine glands which are primarily located in the armpit and contribute to body odor.

• 
  Apocrine glands are located throughout the body and decrease oil production.

• 
  Merocrine glands located across the body decrease sweating.

• 
  Merocrine glands that do not contribute to lowering body temperature, since they produce little to no sweat in the legs.

Multiple Choice

Which of the following conditions of the skin is most likely to result from exposure to a harsh chemical?

• scrape

• dehydration

• fungal infection

• skin rash