The home health nurse discovers a family infected with pediculosis.
What information can the nurse provide to the mother to start eradication of the lice?
Cover the hair with Vaseline.
Apply a soda-vinegar solution to the hair.
Comb through the hair with a vinegar-water solution.
Shampoo the hair with dish detergent.
The Correct Answer is C
Choice A rationale
While occlusive agents like Vaseline can smother lice, this method is messy and generally not as effective as targeted pediculicides. It mainly suffocates the live lice but does not consistently eliminate the nits (eggs), which are tightly attached to the hair shaft and must be removed to prevent reinfestation.
Choice B rationale
A soda-vinegar solution has no proven efficacy in eradicating lice. The acetic acid in vinegar can help loosen the glue-like substance that attaches nits to the hair shaft, but it is not a standalone treatment. Baking soda does not have any scientific basis for being effective against pediculosis.
Choice C rationale
A vinegar-water solution, specifically the acetic acid in vinegar, helps to dissolve the proteinaceous cement substance that glues nits to the hair shaft. This makes the nits easier to remove with a fine-toothed nit comb, which is a crucial step in the eradication process to prevent the hatching of new lice.
Choice D rationale
Dish detergents are not formulated to be effective against lice and can be harsh on the scalp, causing irritation. They lack the specific neurotoxic agents or suffocation properties found in approved pediculicide shampoos that are designed to kill lice and their eggs. This method is ineffective and potentially harmful. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
This question directly assesses for intermittent claudication, a hallmark symptom of peripheral artery disease (PAD). A decrease in walking distance before the onset of pain (claudication) over time indicates a progressive worsening of the arterial stenosis. This is a critical piece of information for staging the disease and evaluating the effectiveness of treatment.
Choice B rationale
The type of terrain (uphill, downhill, flat) can influence the workload on the leg muscles and therefore affect the onset of pain. However, this is a secondary factor. The most important clinical indicator for the progression of PAD is a change in the pain-free walking distance over time, regardless of the terrain.
Choice C rationale
Suggesting swimming instead of walking is a recommendation for a different exercise modality, but it does not provide diagnostic information about the client's current condition. The purpose of the initial assessment is to gather objective data on the progression of the disease, not to provide alternative lifestyle recommendations at this stage.
Choice D rationale
Asking about pain medication usage is important for pain management, but it does not provide specific information about the severity or progression of the peripheral artery disease itself. The primary symptom of PAD is pain upon exertion, and the key assessment is to determine the distance a person can walk before experiencing this pain, as well as if that distance is changing. .
Correct Answer is B
Explanation
Choice A rationale
While medication cost can be a barrier to adherence, it doesn't directly address the client's misconception about the disease itself. Focusing on this aspect may be premature and might not resolve the client's core belief that treatment is unnecessary without symptoms.
Choice B rationale
This statement provides accurate and crucial scientific information. Hypertension is often called the "silent killer" because it typically has no symptoms until it causes significant end-organ damage. Explaining this concept directly addresses the client's flawed reasoning about medication adherence.
Choice C rationale
This response is dismissive and inaccurate. Most people with hypertension do not experience severe morning headaches, and this statement might mislead the client into thinking their lack of symptoms is a sign of good health, thereby reinforcing their decision not to take medication.
Choice D rationale
This response uses scare tactics, which can be counterproductive. While kidney failure is a potential consequence of untreated hypertension, a more educational and less confrontational approach is generally more effective for promoting long-term adherence to a medical regimen.
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