# A 4-month-old infant is admitted to the pediatric unit with a diagnosis of respiratory syncytial virus (RSV) bronchiolitis. The infant is receiving oxygen via nasal cannula at 2 L/min and is in contact isolation. Which nursing action is the highest priority to ensure patient safety?

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## 문제

A 4-month-old infant is admitted to the pediatric unit with a diagnosis of respiratory syncytial virus (RSV) bronchiolitis. The infant is receiving oxygen via nasal cannula at 2 L/min and is in contact isolation. Which nursing action is the highest priority to ensure patient safety?

## 보기

1. Implement strict hand hygiene protocols and ensure all staff wear appropriate personal protective equipment **✔ 정답**
2. Position the infant in a supine position with the head of the bed elevated at 30 degrees
3. Monitor oxygen saturation continuously and maintain oxygen flow rate as ordered
4. Assess respiratory status every 2 hours and document findings in the medical record

**정답: 1**

## 해설

Strict infection control (hand hygiene and PPE) is the highest priority for safety to prevent RSV transmission in a healthcare setting. Other actions like positioning or monitoring are important but secondary to infection prevention.

## 심화 해설

Clinical Context and Priority Setting

This question presents a 4-month-old infant with RSV bronchiolitis who is on oxygen and in contact isolation. In NCLEX-RN priority questions, safety and infection control considerations often take precedence when the scenario explicitly identifies an isolation status. The presence of a highly transmissible virus like RSV in a vulnerable infant population makes preventing transmission the foundational safety action upon which all other care depends.

Why Infection Control Is the Highest Priority

RSV is primarily spread through direct contact with contaminated secretions or fomites. In a pediatric unit, the virus can survive on surfaces for several hours, and healthcare workers' hands are the most common vector for nosocomial transmission. The correct answer, implementing strict hand hygiene and ensuring appropriate personal protective equipment use, directly interrupts this chain of infection at its most critical point.

Research on nursing care in isolation environments demonstrates that strict infection control protocols are essential not only for patient safety but also for protecting healthcare workers and conserving resources. The physical and psychological burden on nurses increases significantly in isolation settings, and frequent entry into rooms for tasks exposes staff to infectious agents while consuming large quantities of personal protective equipment [1]. By prioritizing rigorous hand hygiene and proper PPE use as the first nursing action, you establish a safe environment before performing any other assessments or interventions.

Pathophysiological Rationale

RSV causes necrosis of the bronchiolar epithelium, leading to edema, increased mucus production, and sloughing of cellular debris into the airway lumen. This results in air trapping, hyperinflation, and ventilation-perfusion mismatch. While monitoring oxygen saturation and assessing respiratory status are critical components of care, these actions become unsafe if the nurse inadvertently transmits the virus to another immunologically naive infant or to themselves, potentially creating a unit-wide outbreak. Infection prevention is the safety net that allows all other therapeutic interventions to proceed without causing collateral harm.

Analysis of Distractor Options

Option 2 (supine position with head elevated 30 degrees) is not the optimal position for an infant with bronchiolitis. Infants in respiratory distress typically benefit from an upright or semi-upright position, often with the head elevated more than 30 degrees, to facilitate diaphragmatic excursion and reduce work of breathing. The supine component makes this intervention less appropriate.

Option 3 (continuous oxygen saturation monitoring and maintaining flow rate) addresses a critical physiological need. However, continuous pulse oximetry is standard for any infant receiving supplemental oxygen, and maintaining the ordered flow rate is a basic intervention. While important, it does not address the unique safety risk introduced by the isolation status.

Option 4 (assessing respiratory status every 2 hours) represents an inadequate frequency for an infant with acute bronchiolitis on oxygen. Respiratory assessment should be performed more frequently, at least every 1 hour or continuously based on acuity. This option is incorrect both in priority and in the specified time interval.

Integration of Isolation Nursing Principles

Qualitative research exploring nursing care in isolation units highlights that the experience of isolation can lead to feelings of loneliness and anxiety that negatively affect patients' wellbeing and recovery, making humanized care a key priority . However, the foundational element that enables any humanized interaction is the consistent application of infection prevention and control practices. Without strict adherence to hand hygiene and PPE protocols, the safety of the entire patient cohort is compromised.

Studies on nursing resilience in intensive care settings further reinforce that adherence to infection prevention and control practices can be challenged under conditions of clinical urgency and organizational pressure . This underscores why the NCLEX-RN expects you to recognize that infection control is not a secondary consideration but the primary safety action that must be consciously prioritized, especially when a patient is already identified as requiring isolation.

The principle extends to all isolation contexts. For example, in rehabilitation settings, dedicated spaces and strict protocols are developed specifically to maintain infection prevention while delivering therapy to patients on contact isolation . This same principle applies here: before you position the infant, adjust the oxygen, or perform an assessment, you must first ensure that you are not a vector for transmission. Hand hygiene and appropriate PPE use are the non-negotiable first steps that safeguard the infant you are caring for, the other patients on the unit, and yourself.References (research sources)

- [1]Improving safety and efficiency in isolation rooms using an Internet of Things remote control system for infusion pumps: Usability test.Research articlePark J, Lim J, Kim Y. (2026) · DOI: 10.1177/20552076261433143

## 임상 시나리오

Clinical Safety Guide: RSV Contact Isolation in Infants

Foundational Safety Principle

For a patient in contact isolation, the single highest priority nursing action is strict adherence to hand hygiene and proper use of personal protective equipment (PPE). This action breaks the chain of infection at its most common point of transmission—healthcare workers' hands—and protects the patient, other patients, and staff. All other assessments and interventions are secondary to this fundamental safety requirement.

Key Clinical Practices

- Perform hand hygiene using an alcohol-based hand rub or soap and water immediately before donning gloves and after removing them, following the WHO "5 Moments for Hand Hygiene."

- Don a clean, non-sterile gown and gloves upon room entry. Remove and discard PPE inside the room, then perform hand hygiene immediately upon exiting.

- Dedicate non-critical patient-care equipment (e.g., stethoscopes, thermometers) to the isolated infant or thoroughly clean and disinfect them before use on another patient.

- Position the infant with the head of the bed elevated to 30-45 degrees to optimize respiratory effort; avoid supine positioning which can compromise the airway in bronchiolitis.

- Cluster care activities to minimize the number of room entries, thereby reducing PPE consumption and the risk of self-contamination during doffing.

Rationale and Evidence

RSV can survive on nonporous surfaces for up to 6 hours and on gloves for over an hour. The primary mode of nosocomial spread is via the contaminated hands of healthcare personnel. Prioritizing infection control is not merely a task but a continuous, foundational safety behavior that underpins all other care provided in an isolation environment.

## 핵심 개념

- **Respiratory Syncytial Virus (RSV)** — A highly contagious virus causing respiratory tract infections, primarily spread through direct contact with contaminated secretions or fomites, and a leading cause of bronchiolitis in infants.
- **Contact Isolation** — A set of infection control practices used for pathogens spread by direct or indirect contact, requiring the use of gloves and gowns by all personnel entering the patient's room.
- **Chain of Infection** — A model comprising an infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host; breaking any link, such as via hand hygiene, prevents infection spread.
- **Nosocomial Transmission** — An infection acquired in a healthcare setting, often transmitted via healthcare workers' hands or contaminated equipment, which strict hand hygiene protocols are designed to prevent.
- **Priority Setting in Nursing** — The process of ranking patient needs by urgency, often guided by Maslow's hierarchy or the ABCs (Airway, Breathing, Circulation), where safety and infection control frequently take precedence.

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