NS NursingSprint
ESC
Live search across the catalogue

Programs

ATI TEAS HESI A2 RN Nursing LPN Nursing Pre-Nursing
NGN Practice Study Notes Blog Log in Get started

RN Nursing · Asthma · Practice question

A patient with severe asthma exacerbation suddenly has no audible wheezing and diminished breath sounds. What does this indicate?

Answer & explanation

Correct: Impending respiratory failure

In a patient experiencing a severe asthma exacerbation, wheezing is produced by turbulent airflow through partially obstructed bronchioles. The sudden disappearance of wheezing accompanied by diminished or absent breath sounds is a critically alarming sign known as the 'silent chest.' This occurs because bronchospasm has become so severe that virtually no air is moving through the airways — there is not enough airflow to generate the sound of wheezing. This represents impending respiratory failure and requires immediate escalation of care, including possible intubation. Students commonly misinterpret the absence of wheezing as a sign of improvement, which is a dangerous error. True improvement in asthma is signaled by the return of good air entry, decreased respiratory rate, improved oxygen saturation, and the patient's ability to speak in full sentences — not the silent disappearance of breath sounds. Anxiety and anxiety-driven hyperventilation may contribute to dyspnea in asthma but do not explain unilaterally or bilaterally absent breath sounds. The clinical rule is that in the context of a severe asthma exacerbation, a 'quiet chest' is an emergency, not reassurance.

Practise Asthma questions

Work through full question sets with instant rationales, timed exams, and progress tracking.

Start practising free