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Epithelialisation and Contact Inhibition Quiz

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Epithelialisation and Contact Inhibition Quiz

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Questions and Answers

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?

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?

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?

Vascularized tissue Signup and view all the answers

When does the scab formed over a wound eventually dislodge?

When the wound is fully epithelialized Signup and view all the answers

During the inflammatory stage of wound healing, what is the principal material holding a wound together?

Fibrin Signup and view all the answers

How do wounds in which the subepithelial tissue is damaged heal?

By proliferation of fibroblasts across the wound bed Signup and view all the answers

What allows the edge of normal epithelium to stop growing laterally when it comes into contact with another free edge of epithelium?

Contact inhibition Signup and view all the answers

What proliferates across a wound bed when only the surface epithelium is injured (i.e., abrasions)?

Epithelium contained in rete pegs and adnexal tissues Signup and view all the answers

What happens to the scab formed over a wound once it is fully epithelialized?

It loosens and eventually dislodges Signup and view all the answers

Epithelialisation and Contact Inhibition Quiz

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Questions and Answers

What is the principal material holding a wound together during the inflammatory stage?

How do wounds in which only the surface epithelium is injured (i.e., abrasions) heal?

What signals the edge of normal epithelium to stop growing laterally when it comes into contact with another free edge of epithelium?

Which type of tissue proliferates across a wound when the subepithelial tissue is damaged?

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?

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 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?

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Epithelialisation and Contact Inhibition Quiz

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