A nurse is assessing a client who has impaired mobility. The nurse should monitor the client for a pressure injury due to which of the following factors?
Sensory loss.
Poor circulation.
Muscle weakness.
Incontinence.
The Correct Answer is B
Choice A reason: Sensory loss increases pressure injury risk by reducing pain perception, preventing repositioning to relieve pressure. However, it is not the primary factor, as poor circulation directly impairs tissue oxygenation and nutrient delivery, making skin more susceptible to breakdown under prolonged pressure in immobile patients.
Choice B reason: Poor circulation, often from vascular disease or immobility, reduces blood flow to tissues, limiting oxygen and nutrient delivery. This impairs skin integrity, increasing susceptibility to pressure injuries. Prolonged pressure compresses capillaries, and poor circulation exacerbates ischemia, leading to tissue necrosis, a key factor in pressure ulcer formation.
Choice C reason: Muscle weakness contributes to immobility, increasing pressure injury risk by limiting repositioning. However, it is secondary to poor circulation, which directly causes tissue hypoxia and necrosis under pressure. Weak muscles reduce mobility but do not impair perfusion as directly as circulatory deficits do.
Choice D reason: Incontinence increases pressure injury risk by causing skin maceration, weakening the epidermal barrier. While significant, it is less critical than poor circulation, which directly reduces tissue oxygenation and healing capacity, making skin more vulnerable to breakdown from pressure in immobile clients.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: The Healthy People initiative does not primarily focus on utilizing health data from the past 20 years. While it uses data to inform goals, its core purpose is to set forward-looking, evidence-based health objectives for the U.S. population. Historical data supports trend analysis, but the initiative emphasizes decade-long goals to improve health outcomes, not retrospective data collection.
Choice B reason: The Healthy People initiative, led by the U.S. Department of Health and Human Services, establishes measurable health objectives for Americans every decade. It sets evidence-based goals to improve public health, reduce disparities, and promote disease prevention and health promotion, addressing issues like chronic diseases, maternal health, and access to care, tailored to national health priorities.
Choice C reason: The Healthy People initiative does not focus solely on nonmodifiable risk factors, such as genetics or age. Instead, it emphasizes modifiable risk factors, like smoking or physical inactivity, to promote preventable health improvements. While it acknowledges nonmodifiable factors, its objectives target actionable interventions to enhance population health outcomes across diverse communities.
Choice D reason: The Healthy People initiative is U.S.-centric and does not primarily track global health trends. Its focus is on national health priorities, setting objectives to address domestic health challenges, such as obesity or mental health. Global health trends may inform contextual understanding, but the initiative’s scope is limited to improving health outcomes within the United States.
Correct Answer is C
Explanation
Choice A reason: Sucralfate is a mucosal protectant that forms a gel-like barrier over gastric ulcers, shielding them from acid and pepsin. It does not have antimicrobial properties to prevent opportunistic infections, which are typically managed by antibiotics or antifungals targeting pathogens like Candida or Pneumocystis in immunocompromised patients.
Choice B reason: Sucralfate acts locally in the gastrointestinal tract, coating ulcerated mucosa to promote healing. It has no systemic effects on ocular structures or neural pathways involved in vision. Impaired vision may result from conditions like cataracts or glaucoma, which require specific ophthalmic treatments, not mucosal protectants.
Choice C reason: Sucralfate’s therapeutic effect involves forming a protective barrier over gastric or duodenal ulcers, reducing irritation from stomach acid and pepsin, thus alleviating gastrointestinal pain. This local action promotes ulcer healing and symptom relief, making pain reduction a direct indicator of its efficacy in peptic ulcer disease management.
Choice D reason: Sucralfate does not affect glucose metabolism or insulin secretion. Blood glucose reduction is managed by antidiabetic agents like metformin or insulin, which target pancreatic beta cells or glucose uptake. Sucralfate’s action is confined to the gastrointestinal tract, with no impact on endocrine pathways regulating blood sugar.
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