Podcast
Questions and Answers
What is the principal material holding a wound together during the inflammatory stage?
What is the principal material holding a wound together during the inflammatory stage?
- Keratin
- Collagen
- Elastin
- Fibrin (correct)
How do wounds in which only the surface epithelium is injured (i.e., abrasions) heal?
How do wounds in which only the surface epithelium is injured (i.e., abrasions) heal?
- By formation of scar tissue directly over the wound
- By migration of muscle cells to cover the wound
- By proliferation of blood vessels across the wound bed
- By proliferation of epithelium across the wound bed from the epithelium contained in rete pegs and adnexal tissues (correct)
What signals the edge of normal epithelium to stop growing laterally when it comes into contact with another free edge of epithelium?
What signals the edge of normal epithelium to stop growing laterally when it comes into contact with another free edge of epithelium?
- Blood vessels
- Extracellular matrix proteins
- Another free edge of epithelium (correct)
- Nerve cells
Which type of tissue proliferates across a wound when the subepithelial tissue is damaged?
Which type of tissue proliferates across a wound when the subepithelial tissue is damaged?
When does the scab formed over a wound eventually dislodge?
When does the scab formed over a wound eventually dislodge?
During the inflammatory stage of wound healing, what is the principal material holding a wound together?
During the inflammatory stage of wound healing, what is the principal material holding a wound together?
How do wounds in which the subepithelial tissue is damaged heal?
How do wounds in which the subepithelial tissue is damaged heal?
What allows the edge of normal epithelium to stop growing laterally when it comes into contact with another free edge of epithelium?
What allows the edge of normal epithelium to stop growing laterally when it comes into contact with another free edge of epithelium?
What proliferates across a wound bed when only the surface epithelium is injured (i.e., abrasions)?
What proliferates across a wound bed when only the surface epithelium is injured (i.e., abrasions)?
What happens to the scab formed over a wound once it is fully epithelialized?
What happens to the scab formed over a wound once it is fully epithelialized?
