a 25 year old woman sustains a deep laceration over her right forearm in a motor

Question

a 25 year old woman sustains a deep laceration over her right forearm in a motorcycle accident. the wound is clear and sutured. which of the following cell types medicate contraction of the wound?

answers: endothelial cell, fibroblasts, macrophages, myofibroblast, smooth muscle cell

During the next three months, the wound heals with formation of linear scar. which of the following nutritional factors is required for proper collagen assembly scar tissue of the patient described above?

answers: folic acid. vitamin a, thiamine, vitamin c, or vitamin e

Explanation / Answer

Answer:

1). Myofibroblasts

Myofibroblasts were first described in healing skin wounds, where it was hypothesized that they were responsible for the phenomenon of wound contraction.

2). Vitamin C

Systemic factors that influence healing are Protein deficiency and vitamin C. Their deficiency inhibits collagen synthesis and retard healing.

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