# A nurse is caring for a 70-year-old patient diagnosed with influenza A. The patient has been experiencing high fever, severe body aches, and fatigue for the past 2 days. Which nursing intervention should be the priority?

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> subject: Adult Health

## 문제

A nurse is caring for a 70-year-old patient diagnosed with influenza A. The patient has been experiencing high fever, severe body aches, and fatigue for the past 2 days. Which nursing intervention should be the priority?

## 보기

1. Administer antibiotics as prescribed to prevent secondary bacterial infections
2. Encourage the patient to return to normal activities to maintain strength
3. Restrict all fluid intake to prevent nausea and vomiting
4. Promote adequate rest and sleep to support immune system recovery **✔ 정답**

**정답: 4**

## 해설

Adequate rest and sleep are the priority to support immune recovery in influenza A, as the body needs energy to fight the viral infection. Other options are incorrect or less critical.

## 심화 해설

Understanding the Priority: Rest Over Activity in Acute Influenza

For a 70-year-old patient in the acute phase of influenza A, the body is mounting a significant systemic immune response to fight the viral infection. The symptoms of high fever, severe myalgia, and profound fatigue are not just discomforts; they are clinical indicators of this intense physiological battle. The priority nursing intervention is to promote adequate rest and sleep, as this directly supports the body's primary defense mechanism.

The Immunological Rationale for Rest

The scientific basis for prioritizing rest is rooted in exercise immunology. While structured physical activity is a cornerstone of health, its timing during an active infection is critical. According to a 2025 guideline on physical activity from an immunological perspective, physiological stressors, including certain types of physical exertion, can profoundly disrupt immune regulation . During the acute phase of influenza, the immune system is already under significant stress, with processes like lymphocyte activation occurring at a high level. Introducing the additional physiological stress of activity—even normal daily activities—can lead to impaired immune function and potentially prolong recovery. The guideline highlights that without integrating immune endpoints into activity protocols, we risk exacerbating immune dysregulation . Therefore, rest is a therapeutic intervention that minimizes metabolic demand and allows the body's energy to be fully directed toward viral clearance and immune system recovery.

Why Other Interventions Are Incorrect or Lower Priority

- **Option 1 (Administer antibiotics):** Influenza A is a viral illness. Antibiotics are ineffective against viruses and are not prescribed to prevent secondary bacterial infections in the absence of a confirmed bacterial diagnosis. Indiscriminate use contributes to antibiotic resistance and is not a standard of care for uncomplicated influenza.

- **Option 2 (Encourage return to normal activities):** This directly contradicts the physiological need for rest during the acute viremic phase. Returning to normal activities too quickly can worsen fatigue, prolong the illness, and increase the risk of complications by diverting energy away from the immune response .

- **Option 3 (Restrict all fluid intake):** This is dangerous. High fever and increased metabolic rate lead to insensible fluid loss. Fluid restriction would promote dehydration, thicken respiratory secretions, impair thermoregulation, and further stress the body. Adequate hydration is a fundamental supportive care measure for influenza.

Connecting to Broader Preventive Care in Older Adults

This acute care scenario also connects to a larger public health context. Older adults, due to immunosenescence and multimorbidity, are highly vulnerable to severe outcomes from vaccine-preventable diseases like influenza . The fact that this 70-year-old patient contracted influenza A underscores the critical importance of preventive strategies, including annual vaccination. A European consensus document identifies inadequate immunization coverage as a key challenge in protecting this population . While managing the acute illness with supportive care like rest is the immediate priority, the episode highlights a missed opportunity for primary prevention. Effective strategies to increase vaccine uptake in older adults are a key area of research, with studies exploring how interventions, including digital ones, can improve engagement with recommended preventive services . For the nurse at the bedside, the immediate focus is rest, but a holistic view recognizes that preventing future infections through vaccination is an equally vital component of comprehensive care.

## 임상 시나리오

Acute Influenza: Rest as Priority InterventionSupporting immune recovery in older adults
For a 70-year-old patient with acute influenza A, the priority is to promote rest and sleep. Fever, myalgia, and fatigue signal an intense systemic immune response.

Physiological stress from activity can disrupt immune regulation and lymphocyte activation. Rest minimizes metabolic demand, allowing the body to fight the virus effectively and preventing prolonged recovery.

CautionDo not encourage a return to normal activities during the acute phase. Monitor for signs of dehydration from fever and ensure adequate fluid intake unless contraindicated.

## 핵심 개념

- **Exercise Immunology** — The study of how physical activity and exercise affect immune function; acute exertion during infection can cause immune dysregulation.
- **Acute Phase Response** — The body's immediate systemic reaction to infection or injury, characterized by fever, fatigue, and immune activation.
- **Lymphocyte Activation** — The process by which lymphocytes (T cells and B cells) are stimulated to mount an adaptive immune response against a pathogen.

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