A nurse is caring for a child with croup presenting with a barking cough. The parents are concerned about the child’s alarming cough. Which of the following explanation behind the cough should the nurse provide?
“The cough indicates a severe allergic reaction that is causing the airways to constrict rapidly.”
“The cough is a reflex to clear mucus and other secretions from the lungs in children with a respiratory illness.”
“The cough is caused by inflammation and swelling in the trachea and the bronchi, leading to airway narrowing.”
“The child is making this sound due to anxiety and distress about their condition.”
The Correct Answer is C
Croup is a viral infection that causes inflammation and swelling of the upper airway structures, especially the larynx, trachea, and sometimes bronchi, resulting in the characteristic barking cough and respiratory symptoms.
Rationale for correct answer:
3. “The cough is caused by inflammation and swelling in the trachea and the bronchi, leading to airway narrowing.” The hallmark barking cough of croup occurs because inflammation narrows the airway, causing turbulent airflow and irritation that triggers the cough reflex. This swelling reduces the airway diameter, producing the distinctive "seal-like" sound and respiratory distress.
Rationale for incorrect answers:
1. “The cough indicates a severe allergic reaction that is causing the airways to constrict rapidly.” While allergic reactions can cause airway constriction, the croup cough is not due to an allergic process but an inflammatory viral infection.
2. “The cough is a reflex to clear mucus and other secretions from the lungs in children with a respiratory illness.” The cough in croup is primarily due to upper airway narrowing, not just mucus clearance from the lungs.
4. “The child is making this sound due to anxiety and distress about their condition.” Anxiety may worsen respiratory symptoms but is not the cause of the characteristic barking cough.
Take home points
- The barking cough in croup is caused by inflammation and swelling of the upper airway leading to narrowing.
- Understanding this helps caregivers appreciate the importance of treatment to reduce airway edema.
- Reassure parents that the cough is a sign of the body’s response to airway irritation, not anxiety or allergy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Acute spasmodic laryngitis (midnight croup)is a sudden-onset, viral-induced laryngeal inflammation that typically occurs at night in children aged 1–3 years. It presents with a barking, seal-like cough, inspiratory stridor, and respiratory distress. This condition is usually mild and self-limiting, often managed at home with supportive care.
Rationale for correct answer:
3. Cool misthelps reduce mucosal swellingand soothe inflamed airways, easing breathing and decreasing cough intensity. Exposure to cool, humid air, such as from a cool-mist vaporizer or stepping outside into the night air, can relieve laryngeal spasm and inflammation. This is the first-line, noninvasive management for mild croup episodes at home.
Rationale for incorrect answers:
1. Giving oral fluidsduring acute respiratory distress increases the risk of aspiration. Oral intake should be avoided until the child’s breathing improves and the airway is stable.
2. Warm, dry aircan worsen airway inflammationand dry out secretions, making symptoms worse. The goal is cool, moist air, not warm air.
4. Although warm mistwas once recommended, cool mist is now preferred because it is safer and equally effective. Warm mist can sometimes increase swelling in the inflamed airway and poses a burn risk.
Take home points
- Cool, humidified air is the best nonpharmacologic intervention for mild croup (spasmodic laryngitis).
- Avoid warm air and warm fluids during acute distress.
- Monitor for signs of worsening airway obstruction such as stridor at rest, retractions, cyanosis, and drooling, these require emergency medical evaluation.
- Calm reassurance and keeping the child in an upright position can also reduce airway spasms and distress.
Correct Answer is ["A","C","D"]
Explanation
Croupis a common respiratory illness in toddlers characterized by a barking cough, often caused by viral inflammation leading to airway narrowing. Discharge teaching focuses on home management and recognizing signs of worsening illness.
Rationale for correct answers:
1. Cool mist helps soothe inflamed airwaysand can reduce airway irritation, making breathing easier. It is a safe, non-invasive home therapy to help alleviate symptoms.
3. Stridor at restindicates significantairway obstructionand respiratory distress that requires urgent medical evaluation to prevent respiratory failure.
4. Adequate hydration thins mucus secretions, prevents dehydration, and supports overall recovery.
Rationale for incorrect answers:
2. Over-the-counter cough syrups are not recommended for young children due to limited efficacy and potential side effects.
5. Aspirinis contraindicated in children because of the risk of Reye’s syndrome, a serious and potentially fatal condition.
Take home points
- Use cool-mist humidifiers and maintain hydration to support symptom relief in croup.
- Recognize signs of respiratory distress such as stridor at rest and seek emergency care promptly.
- Avoid cough syrups and aspirin in young children.
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