Healing

What happens immediately after a wound occurs?

• Scar tissue forms

• Blood clot and debris fill the small cleft

• Epithelial cells move across the wound

• Fibroblastic activity begins.

Fill in the blank: Contraction of wound size is due to the action of ______ at the edges.

• Myofibroblasts

• Osteoblasts

• Chondrocytes

• Neurons

What type of tissue is seen in the base of the wound after one week?

• Granulation tissue

• Scar tissue

• Adipose tissue

• Nervous tissue

Fill in the blank: Healing by second intention is particularly important when there has been significant loss of ______.

• A) Tissue

• B) Blood

• C) Bone

• D) Muscle

Which cells enlarge to become active fibroblasts?

• Fibrocytes

• Macrophages

• Stem cells

• Collagen fibers

Which vitamin is required for the hydroxylation of proline and lysine during collagen production?

• Vitamin A

• Vitamin B

• Vitamin C

• Vitamin D

Fill in the blank: Fibrosis is the end result of ______, chronic inflammation, and organization.

• A) wound healing

• B) cell death

• C) regeneration

• D) calcification

Fill in the blank: Failure of proper collagen synthesis can lead to delayed healing and ______ scars.

• weak

• strong

• healthy

• thick

What serious effect can contracting scar tissue cause?

• Cell movement

• Pyloric stenosis

• Granulation tissue formation

• Debris removal

What is the similarity between the healing of the gastrointestinal tract and the skin?

• Both involve scar tissue contraction

• Both involve granulation tissue formation

• Both involve debris removal

• Both involve mitotic activity in mucous cells.