A nurse is reviewing laboratory findings for a client who is to receive a dose of enoxaparin. For which of the following laboratory values should the nurse withhold the dose and notify the provider?
BUN 22 mg/dL (10 to 20 mg/dL)
WBC count 15.000/mm3 (5,000 to 10,000/mm3)
Urine specific gravity 1.04 (1.005 to 1.03)
Platelets 80,000/mm3 (150,000 to 400.000/mm3)
The Correct Answer is D
A. BUN 22 mg/dL (10 to 20 mg/dL): A slightly elevated BUN indicates mild renal impairment or dehydration but does not typically require withholding enoxaparin. Monitoring renal function is important, but this value alone is not a contraindication for anticoagulation.
B. WBC count 15,000/mm3 (5,000 to 10,000/mm3): An elevated WBC suggests possible infection or inflammation. While it may warrant further assessment, it does not directly increase the risk of bleeding and is not a reason to withhold enoxaparin.
C. Urine specific gravity 1.04 (1.005 to 1.03): A high specific gravity may indicate dehydration but is not a contraindication for enoxaparin administration. The medication can be given with caution while monitoring renal function and fluid status.
D. Platelets 80,000/mm3 (150,000 to 400,000/mm3): Thrombocytopenia significantly increases the risk of bleeding while on enoxaparin, which is an anticoagulant. Withholding the dose and notifying the provider is essential to prevent hemorrhagic complications and ensure safe management of the client.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"B"}
Explanation
Rationale for correct choices
• Inspect the child’s oropharynx: The child has bright red emesis and visible bleeding in the posterior pharynx, which indicates active post-tonsillectomy hemorrhage. Direct visualization helps confirm the bleeding source and severity. Early inspection supports rapid intervention because post-operative tonsillar bleeding can progress quickly and become life-threatening.
• Obtaining a set of vital signs: Active bleeding and vomiting bright red blood require immediate reassessment of vital signs to detect tachycardia, hypotension, or respiratory compromise. Hemoglobin and hematocrit are already low, increasing the child’s risk for hemodynamic instability. Timely vital signs guide urgent decisions about fluid resuscitation and notifying the provider.
Rationale for incorrect choices
• Offer the child a red popsicle: Providing red-colored fluids can mask ongoing bleeding and delay recognition of hemorrhage. The priority is to assess and stabilize the child with known bleeding, not to offer oral intake. This intervention risks obscuring the color of emesis or oral bleeding.
• Place the child in a supine position: Supine positioning increases the risk of aspiration when bleeding or vomiting is present. The child should be maintained upright to allow drainage and airway protection. Supine positioning does not address the current complication and may worsen respiratory safety.
• Encouraging the child to cough and deep breathe: Coughing can dislodge clots and worsen post-tonsillectomy bleeding. The child already has active bright red bleeding, so stimulating airway pressure would increase hemorrhage risk. This intervention is inappropriate in immediate postoperative bleeding scenarios.
• Requesting a prescription for codeine: Codeine is contraindicated in children after tonsillectomy due to risk of respiratory depression from ultra-rapid metabolism. Pain is mild, and bleeding—not pain—is the priority. Requesting codeine does not address the current danger of hemorrhage.
Correct Answer is D
Explanation
A. A 14-year-old child who eats small but frequent meals throughout the day: This is an appropriate intervention for gastroesophageal reflux, as smaller, more frequent meals reduce gastric distention and minimize reflux episodes. No revision to the plan of care is needed for this child.
B. A 16-year-old child who takes their proton pump inhibitor 30 min before meals: Administering proton pump inhibitors before meals is correct because these medications are most effective when taken prior to food intake, allowing for optimal acid suppression. The current plan aligns with best practice.
C. A 6-year-old child who underwent a Nissen fundoplication and is tolerating a full liquid diet: Progressing to a full liquid diet after Nissen fundoplication is appropriate and indicates the child is tolerating postoperative dietary advancement. The plan of care is appropriate and requires no changes.
D. A 4-month-old child who is experiencing weight loss: Weight loss in an infant with gastroesophageal reflux is concerning and indicates inadequate nutrition or complications. The plan of care should be revised to address feeding adequacy, possible medical interventions, and close monitoring of growth and hydration status.
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