Tissue repair refers to the process of restoration of the tissue organization, as well as the recovery of its function, after an injury. This process (tissue repair) occurs naturally in the damaged tissues after injury.
- The sequential steps for the tissue repair are as follow:
- Platelets from torn vessels form a mesh-like clot that prevents blood loss.
- Inflammation occurs in the area as tissue repair begins.
- Mast cells release histamine that dilates blood vessels and increases blood flow to the repair site, further promoting clot formation.
- Neutrophils and macrophages consume bacteria and remove damaged tissue and debris.
- Fibroblasts build new tissue by secreting collagen that takes the shape of the original tissue.
- The tissue created by fibroblasts matures and regains its normal function.
- Platelets are tiny blood cells that act as a healer of damaged tissues by forming clots capable of stopping bleeding.
- Inflammation in tissue repair is caused by the induction of chemokines and pro-inflammatory cytokines at the site of the injury.
- Mast cells act to enhance acute inflammation, promote angiogenesis and skin scarring.
- Neutrophils and macrophages are blood cells that phagocytose and kill harmful pathogenic microorganisms at the site of the injury.
- Fibroblasts act to break down the fibrin clot, helping to the healing process.
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The nurse is performing disability assessment.
Disability assessment is a component of the primary survey, which is performed to evaluate the consciousness level, which may get affected due to a neurologic injury. In the mnemonic AVPU, the A indicates alert, V indicates a response to voice, P indicates a response to pain, and U indicates unresponsiveness.
Answer:
A. Genetic diversity is the total amount of genetic characteristics in a species.
Answer:
First, we will see its body structure and collect more information about it. Second , we will see the mode of reproduction i. e. sexually or asexually.
Explanation:
We will observe structure of the body and cell. If this organism is eukaryotic and no cell wall so we can say that it belongs to kingdom animalia. We also observed its mode of reproduction i. e. sexual reproduction or asexual reproduction such as fragmentation, binary fission etc.
Answer:
It is a polar molecule
Explanation:
There is no such thing as tri-polar. Water cannot be non-polar due to its partial charges. Water is not a chimeric molecule because it has a plane of symmetry.