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

Answer and Explanation

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.

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Correct Answer is B

Explanation

Choice A rationale
Cleaning directly over the wound with a swab could be harmful as it may disrupt the healing tissue. This method does not follow the principles of medical asepsis, which aim to reduce the risk of infection and promote wound healing.

Choice B rationale
The correct technique for cleaning a wound is to use a swab in a circular motion starting at the center and moving outward. This method helps to prevent recontamination of the clean area and is consistent with aseptic principles, ensuring that any contamination is moved away from the wound, not towards it.

Choice C rationale
Cleaning from the outer abdomen toward the wound could potentially bring contaminants from the less clean abdomen into the sterile area of the wound. This would increase the risk of infection and is not the recommended practice.

Choice D rationale
Swabbing from one side to the other across the wound does not ensure that contaminants are moved away from the wound area. It could spread bacteria across the surface, which is not conducive to proper wound care.

A. The moisture creates an environment suitable for the growth of microorganisms in a wound. B. Greater pressure is exerted by a wet bed. C. Shearing is more likely from wet sheets. D. The patient has to be repositioned for the bed to be changed.

Correct Answer is A

Explanation

Choice A rationale
Moisture from incontinence can compromise skin integrity and create a favorable environment for bacterial growth, increasing the risk of infection and skin breakdown.

Choice B rationale
While a wet bed may be uncomfortable, it does not exert greater pressure that would lead to skin breakdown or infection.

Choice C rationale
Shearing can occur from moving a patient on any surface; however, wet sheets do not inherently increase the likelihood of shearing.

Choice D rationale
Repositioning the patient is necessary for comfort and to prevent pressure ulcers, but it is not a direct cause of skin breakdown or infection due to incontinence.

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The nurse clarifies that a vacuum-assisted closure supports the healing of a wound by:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is performing a dry sterile dressing change for an abdominal wound. In which direction should the nurse use a swab to clean?

Correct Answer is B

Explanation

A patient is incontinent on the first day after surgery. This is a risk factor for the development of skin breakdown and infection primarily because:

Correct Answer is A

Explanation

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