The nurse clarifies that a vacuum-assisted closure supports the healing of a wound by:
Drawing the wound edges together using negative pressure.
Strengthening the wall of the wound.
Interrupting the proliferation of bacteria in the wound.
Making and air occlusive cover for the wound
The Correct Answer is A
Choice A rationale
Vacuum-assisted closure (VAC) therapy aids in wound healing primarily by applying negative pressure to draw the wound edges together. This not only helps reduce the size of the wound but also promotes blood flow to the area, which can accelerate healing.
Choice B rationale
While VAC therapy does support the underlying structures of the wound, its primary function is not to strengthen the wall of the wound. The negative pressure assists in removing excess fluid and reducing edema, which indirectly supports the wound structure.
Choice C rationale
VAC therapy does have an impact on bacterial levels within the wound by helping to remove infectious materials. However, its main purpose is not to interrupt bacteria proliferation; this is more directly achieved through antibiotic therapy and proper wound care techniques.
Choice D rationale
While VAC does create a cover over the wound, its main purpose is to apply negative pressure to the wound area. This negative pressure helps to draw the wound edges together, promotes the removal of exudate and potentially infectious material, and stimulates the growth of new tissue, which aids in the healing process12. The occlusive cover is part of the system that allows the negative pressure to be maintained, but it is the negative pressure itself, not the cover, that provides the therapeutic benefit.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Anticholinergics are not typically associated with delayed wound healing. These medications affect the parasympathetic nervous system and are used to treat a variety of conditions, but they do not have a direct impact on the wound healing process.
Choice B rationale
Corticosteroids can delay wound healing. They are known to have anti-inflammatory properties, which can suppress the immune response necessary for wound healing. They also reduce the production of collagen and other proteins essential for tissue repair.
Choice C rationale
Beta-blockers are primarily used to manage cardiovascular conditions and are not known to have a significant impact on wound healing. They work by blocking the effects of adrenaline on the heart and blood vessels.
Choice D rationale
Tricyclic antidepressants are used to treat depression and certain types of pain. While they can have various side effects, they are not commonly associated with delayed wound healing.
Correct Answer is A
Explanation
Choice A rationale
The nurse’s first priority should always be to assess the patient’s condition. In the context of NPWT, this means checking for any complaints or problems in the wound area. This assessment helps to ensure that the NPWT is not causing additional issues and that the wound is healing as expected.
Choice B rationale
While it is important to check the settings on the NPWT unit to ensure it is functioning correctly, this is not the first priority. The patient’s well-being and response to treatment take precedence over equipment checks.
Choice C rationale
Documentation is a critical part of patient care, but it comes after patient assessment and any necessary interventions. It serves to record the patient’s status and the care provided but is not the immediate priority.
Choice D rationale
Observing the dressing area is part of the overall assessment of the patient and the effectiveness of the NPWT. However, it is not the first action to take. The nurse must first assess the patient for any discomfort or complications before focusing on the dressing itself.
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