Why does peroxide fizz on wounds?

Why does peroxide fizz on wounds?
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It will fizz when it contacts living tissues, or otherchemicals. This is free oxygen being released to make a chemicalchange (oxidation). Ideally, this will kill bacteria, but it alsodamages healthy cells. This is not always a bad thing since it canhelp close a wound faster, and stop the stinging of exposednerves.2(H2O2) --> 2 H2O + O2
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Description : When drinking carbonated drinks, do you pour it out into a cup to remove excess fizz?

Last Answer : What heathens do this

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Description : When drinking carbonated drinks, do you pour it out into a cup to remove excess fizz?

Last Answer : What heathens do this

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Last Answer : What heathens do this

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Last Answer : What heathens do this

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Last Answer : What heathens do this

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Wounds are classified according to the likelihood of bacterial contamination. Which of the following statement(s) is/are true concerning wound classifications? a. A clean-contaminated wound would be that associated with an elective colon resection with adequate mechanical and antibiotic bowel preparation b. A contaminated wound would include a resection of obstructed bowel with gross spillage of intestinal contents c. In a clean wound, no viscus is entered d. Antibiotic prophylaxis should be administered for all clean-contaminated and contaminated wounds and selectively in patients involving a clean wound

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There are a multitude of various dressings available. Which of the following statement(s) is/are true concerning options for surgical dressings? a. Hydrocolloids, such as karaya compounds, offer the primary advantage of increased absorptive ability b. Films, such as Op-site, provide a water impermeable environment to achieve a dry wound c. Impregnates are fine gauze impregnated with a variety of substances such as antibiotics or moisturizing agents that adhere tightly to the wound and do not require a secondary dressing d. Absorptive powders and paste are highly useful in debriding necrotic and fibrous material from wounds and absorbing wound serum

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Which of the following statement(s) is/are true concerning the role of antibiotics in wound care? a. Systemic antibiotics are indicated for all open wounds b. Bacterial resistance can occur with systemic but not topical antibiotics c. An indication for systemic antibiotic administration is a granulation tissue bacterial count in excess of greater than 105 organisms/gram of tissue on quantitative analysis d. Silver sulfadiazine is useful only for the management of burns

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A patient with gross fecal contamination and peritonitis from a ruptured sigmoid diverticulum has his midline wound left open to heal by secondary intention. Which of the following statement(s) describes this healing process? a. Wounds healing in this fashion have an altered sequence of healing compared to a primarily closed wound b. A bed of granulation tissue forms over exposed subcutaneous tissue c. Epithelialization is enhanced in the face of bacterial colonization d. The ability of a wound to form granulation tissue is dependent on the blood supply of the tissue

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