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Questions and Answers
What is angiogenesis?
What is angiogenesis?
- The formation of new blood vessels from damaged tissues
- The formation of new stem cells from pre-existing vessels
- The formation of new blood vessels from stem cells
- The formation of new blood vessels from pre-existing vessels (correct)
What are the major steps of endothelial cells in angiogenesis?
What are the major steps of endothelial cells in angiogenesis?
- Breaking of the basal lamina, migration toward a source signal, proliferation, formation of tubes (correct)
- Breaking of the basal lamina, formation of tubes, migration toward a source signal, proliferation
- Proliferation, breaking of the basal lamina, migration toward a source signal, formation of tubes
- Formation of tubes, breaking of the basal lamina, migration toward a source signal, proliferation
What is the difference between regeneration and fibrosis in tissue repair?
What is the difference between regeneration and fibrosis in tissue repair?
- Regeneration occurs in CNS repair, while fibrosis occurs in severe hepatic fibrosis/cirrhosis
- Regeneration occurs in bone marrow and epidermal surfaces, while fibrosis occurs in CNS injury and deep gastrointestinal ulcers (correct)
- Regeneration occurs in bone fracture, while fibrosis occurs in peripheral nerves
- Regeneration occurs by scar, while fibrosis occurs by regeneration
In secondary intention healing, the wound may reopen and healing occurs from the edges inward and from the bottom of the wound upward until the defect is filled.
In secondary intention healing, the wound may reopen and healing occurs from the edges inward and from the bottom of the wound upward until the defect is filled.
Bone healing occurs in a more complex and longer manner compared to soft tissue healing.
Bone healing occurs in a more complex and longer manner compared to soft tissue healing.
The complications of fracture healing can be classified into two groups: immediate complications and late complications.
The complications of fracture healing can be classified into two groups: immediate complications and late complications.
Hyperemia refers to the increase of blood volume in the venous side of circulation.
Hyperemia refers to the increase of blood volume in the venous side of circulation.
Poor blood supply and foreign bodies can delay wound healing.
Poor blood supply and foreign bodies can delay wound healing.
Uncontrolled diabetes can make a person more prone to infections and delay wound healing.
Uncontrolled diabetes can make a person more prone to infections and delay wound healing.
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