A nurse is teaching a client about managing opioid-induced constipation. Which statement by the client indicates a correct understanding of the role of dietary fiber?
Increasing fiber intake alone is sufficient to prevent opioid-induced constipation without considering fluid intake.
Most dairy products are good sources of dietary fiber and should be increased.
Fiber decreases peristalsis, which helps prevent diarrhea caused by opioids.
Fiber absorbs water in the intestines, creating softer and bulkier stool that is easier to pass.
The Correct Answer is D
Choice A reason: Increasing fiber intake without a concomitant increase in fluid consumption can actually exacerbate constipation by creating a hardened, dry fecal mass in the colon. Fiber requires adequate hydration to swell and provide the bulk necessary to stimulate normal bowel motility and prevent impaction.
Choice B reason: Dairy products, such as milk, cheese, and yogurt, are generally devoid of dietary fiber. Consuming high amounts of dairy will not assist in managing opioid-induced constipation and may, in some individuals, contribute to gastrointestinal discomfort or constipation depending on individual digestive tolerance to lactose.
Choice C reason: Fiber does not decrease peristalsis; rather, it promotes it by increasing the mechanical stretch on the intestinal walls due to bulk. Opioids themselves are what decrease peristalsis by binding to mu-opioid receptors in the gut, and fiber acts as a counter-measure to improve stool consistency and transit.
Choice D reason: Dietary fiber, particularly insoluble fiber, adds bulk to the stool and retains water within the intestinal lumen. This process hydrates the stool, making it softer and larger, which facilitates easier passage through the colon and helps counteract the slowing effects of opioid medications on the gastrointestinal tract.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Scoliosis is defined as a lateral curvature of the spine. It primarily involves structural abnormalities or rotational deformities of the vertebrae themselves. These bony segments become misaligned, leading to the characteristic S-shaped or C-shaped curvature of the spinal column that is assessed clinically in pediatric patients.
Choice B reason: The spinal cord resides within the vertebral canal. While severe scoliosis can potentially compress or affect the spinal cord, the condition itself is a disorder of the skeletal alignment of the vertebrae, not a primary pathology of the neural tissue of the central nervous system.
Choice C reason: Ligaments provide stability and connect bones to bones. Although ligaments are involved in maintaining the alignment of the spine, scoliosis is characterized by the structural deformity of the vertebrae rather than a primary disease process originating in the ligamentous tissues themselves.
Choice D reason: Muscle fibers are involved in the movement and stabilization of the spine. While imbalances in muscle strength or tone can contribute to secondary postural issues, they are not the primary structure responsible for the structural, lateral deformity defined as scoliosis in pediatric clinical diagnostic criteria.
Correct Answer is B
Explanation
Choice A reason: Swelling (edema) and bruising (ecchymosis) are expected physiological responses to tissue trauma, vascular rupture, and inflammatory infiltration following a shoulder injury or dislocation. These findings are consistent with the diagnosis of a traumatic injury and generally do not indicate a life-threatening or systemic complication requiring immediate emergency intervention.
Choice B reason: A pulse deficit in the unaffected limb is a highly unexpected and concerning clinical finding. In a patient with a shoulder injury, one would expect vascular integrity to be intact on the contralateral side. A pulse deficit on the opposite side suggests a systemic issue, such as an aortic dissection or a thrombus, which requires urgent diagnostic investigation.
Choice C reason: The inability to abduct the arm is a common functional deficit following shoulder trauma, such as rotator cuff tears, glenohumeral dislocation, or fractures of the humeral head. While this finding necessitates orthopedic evaluation and immobilization, it is an expected physical limitation given the mechanism of injury and the anatomy involved.
Choice D reason: A pain rating of 5/10 is a subjective finding that corresponds with the injury severity. A visible deformity is also a hallmark of joint dislocation or fracture. These findings are expected in a patient presenting with an acute traumatic shoulder injury and are not considered outliers that would necessitate immediate, non-orthopedic emergency management.
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