A 5-year-old child with acute lymphoblastic leukemia (ALL) is receiving chemotherapy and has developed severe mucositis. The child's absolute neutrophil count (ANC) is 150 cells/mm³. Which nursing intervention should be the highest priority?

With severe neutropenia (ANC 200 cells/mm³), strict neutropenic precautions and gentle oral care are the highest priority to prevent infection from mucositis. Other options address comfort or nutrition but do not prioritize infection prevention.

Core Nursing Explanation Key Concept Analysis: This question integrates the management of a critical complication in pediatric oncology: mucositis in the setting of profound neutropenia. The core theme is prioritizing interventions based on patient risk. The child has two major problems: 1) Severe mucositis (breakdown of the oral mucosa, a potential portal for infection) and 2) Severe neutropenia, indicated by an ANC of 150 cells/mm³ (normal is > 1500 cells/mm³). This combination creates a life-threatening risk for sepsis. In nursing, the highest priority is always to address the greatest threat to life, which in this case is Key Point! preventing a systemic infection.

Answer Rationale: Option ① is correct because it directly addresses the primary life-threatening risk. Strict neutropenic precautions (e.g., private room, meticulous hand hygiene, no fresh flowers, screening visitors for illness) are essential to protect the immunocompromised child from external pathogens. Gentle oral care with normal saline rinses helps cleanse the ulcerated mucosa without causing further trauma or introducing harsh chemicals that could worsen the tissue damage or lead to systemic absorption of microbes. This dual approach of protecting the patient from the environment and managing the compromised mucosal barrier is the foundational, priority nursing action.

Distractor Analysis: Watch out for confusion! Option ② (Analgesics and soft foods) and Option ③ (Topical anesthetics) are both important comfort measures and are part of comprehensive mucositis care. However, they address the symptom (pain) and its consequence (poor oral intake), not the underlying, immediate threat of infection. They are supportive but not the highest priority.
Option ④ (Increase fluids and high-protein supplements) addresses nutritional support and hydration, which are crucial for healing. However, like options ② and ③, this intervention manages a consequence of the condition (inability to eat) rather than the primary, acute danger of sepsis from neutropenia and broken skin integrity.

Related Concepts: This scenario tests the nursing process of prioritization, often using frameworks like ABCs (Airway, Breathing, Circulation) or Maslow's Hierarchy of Needs. Preventing infection falls under both physiological safety needs and the "C" of circulation (as sepsis would compromise circulation). Understanding Absolute Neutrophil Count (ANC) calculation and risk stratification is vital: ANC < 500 cells/mm³ indicates severe neutropenia and high risk for infection.

Concept Summary

Concept

Key Takeaway

Neutropenic Precautions

Infection control protocol for patients with low ANC ( 임상 시나리오 Nursing Clinical Practice Guide Clinical Scenario: You are the nurse on the pediatric oncology unit. Your patient, a 5-year-old named Leo, is on day 7 of his chemotherapy cycle for ALL. He's listless, refusing to eat or drink because his "mouth hurts so bad." Upon assessment, you note extensive ulcerations on his buccal mucosa and tongue. You check his morning labs and see the ANC is 150. Nursing Intervention Strategy: Immediate Action (Priority): Upon seeing the ANC, you immediately ensure strict neutropenic precautions are in place. You place a sign on the door, ensure hand sanitizer is available, and educate the family about restrictions. You then perform gentle oral care using a soft, pediatric-sized toothbrush or foam swab and a solution of normal saline or prescribed sodium bicarbonate rinse. You do this every 2-4 hours and after meals. Comprehensive Assessment: Perform a thorough pain assessment using an age-appropriate scale (e.g., FACES scale). Assess oral cavity with a penlight. Monitor for signs of infection: fever (even low-grade), increased redness/swelling, drainage, or changes in vital signs. Collaborative Care: Administer prescribed analgesics (likely scheduled, not just PRN) 30 minutes before oral care or meals to maximize comfort. Collaborate with the dietitian to provide appealing, room-temperature or cold, soft, high-protein, high-calorie foods and fluids (e.g., milkshakes, pudding, scrambled eggs). Education & Evaluation: Teach the child and family about the importance of oral care even when it's painful. Evaluate the effectiveness of pain management and the child's oral intake and hydration status (I&O, daily weights). Monitor lab trends for ANC recovery. Patient Safety and Precautions: Oral Care Caution: Never use alcohol-based mouthwashes, hydrogen peroxide, or lemon-glycerin swabs, as they can further irritate and dry the mucosa. Fever Protocol (Critical!): Any single temperature of ≥38.3°C (101°F) or a sustained temperature ≥38.0°C (100.4°F) for one hour in a neutropenic patient requires immediate notification of the provider, blood cultures, and prompt administration of broad-spectrum antibiotics. This is a true oncologic emergency. Medication Administration: Be vigilant about extravasation risks with vesicant chemotherapies. Use central lines (e.g., Port-a-Cath, PICC line) when possible for IV access. Nursing Procedure & Medication Flow Procedure: Performing Gentle Oral Care for Mucositis 1. Gather supplies: Soft toothbrush/foam swabs, prescribed rinse (normal saline), emesis basin, towel, gloves. 2. Position the child comfortably, use a penlight for good visualization. 3. Gently clean all surfaces of teeth, gums, tongue, and buccal mucosa. 4. Have the child swish and spit the rinse if able, or gently suction if not. 5. Apply prescribed topical analgesic (e.g., "magic mouthwash" containing lidocaine, diphenhydramine, antacid) as ordered, typically 5-10 minutes before meals. Medication: Administering Opioid Analgesics - For severe mucositis pain, IV opioids (e.g., morphine) may be used. Monitor closely for respiratory depression, especially in opioid-naïve children. - Calculate doses carefully by weight (mg/kg). Always use the "5 Rights" and double-check with another nurse for high-alert medications. A Word from Your Senior Nurse "Caring for a child with cancer is one of the most challenging and rewarding experiences in nursing. In this scenario, your knowledge and quick action in implementing neutropenic precautions are literally your patient's first line of defense against a life-threatening infection. Remember, that ANC number isn't just a lab value—it's a direct measure of how vulnerable your patient is. When you see a number that low, your internal alarm bells should ring for 'infection prevention FIRST.' Balancing the need for rigorous infection control with the compassionate care of a scared, hurting child is the essence of pediatric oncology nursing. On the NCLEX, they want to see that you can identify the greatest threat. In practice, you'll be the one at the bedside, doing the oral care, managing the pain, and being the vigilant advocate who catches the first sign of fever. You've got this!" 핵심 개념 Absolute Neutrophil Count — A calculation (WBC x (%Segs + %Bands)) that estimates the number of infection-fighting neutrophils in the blood. An ANC Neutropenic Precautions — A set of infection control measures for patients with severely low neutrophil counts, including private room, strict hand hygiene, avoiding sick visitors, and eliminating potential sources of pathogens like fresh flowers or unpeeled raw fruits. Mucositis — Inflammation and ulceration of the mucous membranes lining the digestive tract, commonly caused by chemotherapy or radiation therapy. It presents as painful mouth sores, difficulty swallowing, and increased risk for systemic infection. Sepsis — A life-threatening organ dysfunction caused by a dysregulated host response to infection. In neutropenic patients, it can progress rapidly (septic shock) due to the lack of an effective immune response. Extravasation — The leakage of vesicant (tissue-damaging) chemotherapy drugs from a vein into the surrounding tissue, which can cause severe pain, blistering, and tissue necrosis. 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