A nurse is teaching an unlicensed assistive personnel (UAP) how to measure urine output in clients with indwelling catheters.
What is the best container to use?
A large volume collection bag.
A graduated cylinder or urimeter.
A standard specimen collection cup.
A bedside commode bucket.
The Correct Answer is B
Choice A rationale
While the collection bag itself has volume markings, they are notoriously inaccurate for precise medical monitoring. These markings are often printed on flexible plastic that distorts when filled, leading to significant errors in volume estimation. The bag is intended for containment and storage of urine rather than exact measurement. Relying on this method can lead to incorrect assessments of a client's renal perfusion and overall fluid balance status in clinical settings.
Choice B rationale
A graduated cylinder or urimeter is the gold standard for measuring urine output because these devices are specifically calibrated for high precision. A urimeter is a small, hard plastic chamber attached to the drainage bag that allows for hourly monitoring of small volumes. Accurate measurement is critical for identifying early signs of acute kidney injury or fluid volume deficit. Using a rigid, calibrated container ensures that the volume recorded reflects the actual output produced by the kidneys.
Choice C rationale
A standard specimen collection cup is primarily designed for obtaining a small sample of urine for laboratory analysis, such as a urinalysis or culture. These cups generally only hold 60 to 90 mL of fluid, which is insufficient for measuring total voided volume or shift output from an indwelling catheter. Using such a small container would require multiple transfers of urine, increasing the risk of spills and exposure to biohazardous materials for the healthcare provider and environment.
Choice D rationale
A bedside commode bucket is intended for clients who can sit upright but cannot walk to the bathroom. These buckets are large and often lack the fine graduation marks required for precise clinical measurement of urine output. Using a commode bucket for a client with an indwelling catheter is inappropriate because it introduces unnecessary steps and increases the risk of contamination. Accurate output requires a smaller, more precisely calibrated vessel to ensure fluid balance is monitored correctly.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Mucus production in the gastrointestinal tract is a physiological response to inflammation or irritation of the mucosal lining. While mucus might be present in various bowel conditions, including inflammatory bowel disease or certain infections, it is not the hallmark clinical indicator for an intestinal obstruction. Obstructions typically present with changes in stool shape, frequency, or complete cessation of passage due to the physical blockage within the lumen.
Choice B rationale
Ribbon-shaped stools are a classic clinical indicator of a partial intestinal obstruction, especially when caused by a mass or tumor. As the stool passes through a narrowed lumen created by the obstructing lesion, it is compressed into a thin, flat, or ribbon-like shape. This structural change in the stool provides significant diagnostic evidence of a reduced internal diameter within the colon or rectum requiring further medical investigation.
Choice C rationale
The odor of stool is primarily determined by the bacterial breakdown of proteins and the presence of specific compounds like skatole and indole. While a pungent or foul odor can occur with malabsorption syndromes, infections, or GI bleeds, it does not specifically indicate a mechanical intestinal obstruction. Odor is highly variable and influenced by diet and gut flora rather than the physical diameter of the intestinal passage.
Choice D rationale
Light brown stool is generally considered within the normal color range for human feces, resulting from the conversion of bilirubin into stercobilin. A change to light brown does not signal an obstruction. Significant color changes of concern would include acholic stools, which are clay-colored and indicate a lack of bile flow, or melena, which is black and tarry. Light brown remains a standard finding.
Correct Answer is B
Explanation
Choice A rationale
A risk nursing diagnosis describes human responses to health conditions or life processes that may develop in a vulnerable individual. It is supported by risk factors rather than current signs or symptoms. Since this client is currently experiencing a pain level of 7 out of 10, the problem is not a potential future occurrence but a current reality. Therefore, a risk diagnosis is insufficient because it does not address the physiological and psychological distress the client is actively feeling.
Choice B rationale
An actual nursing diagnosis represents a clinical judgment about a patient's response to a health condition that is currently present. It is validated by the presence of defining characteristics, such as the client's self-report of pain at a level of 7 on a 0 to 10 scale. Because the pain is a real-time problem requiring immediate nursing intervention and management, this category is the most appropriate to guide the care plan, aiming to reduce the intensity of the subjective discomfort.
Choice C rationale
A possible nursing diagnosis is used when the nurse suspects a problem may be present but requires more data to confirm it. In this scenario, there is no ambiguity; the client has clearly stated their pain level is high. Using a possible diagnosis would inappropriately delay necessary pharmacological or non-pharmacological interventions. Since the evidence of the pain is already documented through the client's verbalization, the diagnosis is confirmed and should be treated as a definitive clinical priority.
Choice D rationale
A wellness diagnosis, also known as a health promotion diagnosis, focuses on a client's transition from a specific level of wellness to a higher level of wellness. It is used when a client expresses a desire to enhance their health. A postoperative client experiencing significant pain is in a state of acute physiological stress, not a state of seeking optimal wellness. The priority in this case is the management of an acute symptom rather than long-term health optimization.
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