Moist heat has the physiological effect of:

Numbing the area treated.

Dilating the blood vessels.

Drawing fluid to the site of application.

Constricting the blood vessels.

Answer and Explanation

The Correct Answer is B

Choice A rationale:

Numbing the area treated is not a physiological effect of moist heat. Moist heat primarily works by increasing blood flow to the treated area.

Choice B rationale:

Dilating the blood vessels is the correct answer. Moist heat therapy works by increasing the temperature of the skin/soft tissue, which leads to vasodilation and increased blood flow to the treated area.

Choice C rationale:

Drawing fluid to the site of application is not a physiological effect of moist heat. Moist heat primarily works by increasing blood flow to the treated area.

Choice D rationale:

Constricting the blood vessels is not a physiological effect of moist heat. Moist heat primarily works by increasing blood flow to the treated area through vasodilation.

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Correct Answer is B

Explanation

Choice A rationale:

Strengthening the wall of the wound is not the primary function of vacuum-assisted closure. The main function is to promote wound healing by applying negative pressure.

Choice B rationale:

Drawing the wound edges together by negative pressure is the correct answer. Vacuum-assisted closure, also known as negative pressure wound therapy, works by applying negative pressure to the wound, which helps to draw the edges of the wound together and promote healing.

Choice C rationale:

Making an air occlusive cover for the wound is not the primary function of vacuum-assisted closure. The main function is to promote wound healing by applying negative pressure.

Choice D rationale:

Interrupting the proliferation of bacteria in the wound is not the primary function of vacuum-assisted closure. The main function is to promote wound healing by applying negative pressure.

A. restlessness, rising pulse, and falling blood pressure. B. lethargy, falling pulse, and rising blood pressure. C. headache, rising pulse, and falling blood pressure. D. restlessness, falling pulse, and rising blood pressure.

Correct Answer is A

Explanation

Choice A rationale:

Restlessness, rising pulse, and falling blood pressure are classic signs of shock, which can occur with internal hemorrhage.

Choice B rationale:

Lethargy, falling pulse, and rising blood pressure are not typically associated with internal hemorrhage.

Choice C rationale:

Headache, rising pulse, and falling blood pressure could be signs of many conditions, but they are not specific to internal hemorrhage.

Choice D rationale:

Restlessness, falling pulse, and rising blood pressure are not typically associated with internal hemorrhage.

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Moist heat has the physiological effect of:

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Naxlex Comprehensive Predictor Exams

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

Correct Answer is B

Explanation

A nurse is assessing a surgical patient for internal hemorrhage, which would be indicated by:

Correct Answer is A

Explanation

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