During physical examination of the thorax, a nurse is listening to vesicular sound. The vesicular sound can be heard from which place?

1. A

   At larynx

2. B

   At trachea

3. C

   At first and second ICS

4. D

   At lower lobe of lungs

Appeared in: NORCET 5 mains

Explanation

Listen in Hindi

• Vesicular sounds are normal breath sounds produced by air moving through the smaller airways (bronchioles and alveoli).
• These sounds are characteristically soft, low-pitched, and rustling in quality.
• They are primarily heard over the periphery of the lungs, which includes the lower lobes, as this area is composed mainly of smaller airways and lung parenchyma.
• During auscultation, the inspiratory phase of vesicular sounds is noticeably longer and louder than the expiratory phase.

Why Other Options Were Wrong

• Option A: The larynx is a location where bronchial sounds, not vesicular sounds, are heard. Bronchial sounds are loud, high-pitched, and hollow.
• Option B: The trachea is the primary location for auscultating bronchial sounds. These sounds are distinct from the soft, low-pitched vesicular sounds.
• Option C: The first and second intercostal spaces (ICS) anteriorly are the classic locations for hearing bronchovesicular sounds, which are intermediate in pitch and intensity between bronchial and vesicular sounds.

Related Visual

Clinical Relevance

• Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Auscultation of Breath Sounds in acute care settings.
• Accurate identification of breath sounds and their locations is a fundamental nursing skill for assessing respiratory health and detecting abnormalities early.
• If a nurse auscultates bronchial or bronchovesicular sounds in the peripheral lung fields where vesicular sounds are expected, it may indicate lung consolidation, such as in pneumonia.
• What if? If a nurse auscultates crackles or wheezes over the lower lobes instead of vesicular sounds, it would suggest an abnormal condition. Crackles point to fluid in the alveoli (e.g., heart failure, pneumonia), while wheezes indicate narrowed airways (e.g., asthma, COPD). This finding requires further assessment and reporting.

How to Approach the Question

• First, identify the key term in the question: 'vesicular sound'.
• Recall the three main types of normal breath sounds: vesicular, bronchovesicular, and bronchial.
• Access your memory or knowledge base regarding the specific anatomical locations where each of these sounds is normally heard.
• Compare the locations given in the options to the known location for vesicular sounds.
• Eliminate the options that correspond to bronchial sounds (larynx, trachea) and bronchovesicular sounds (1st and 2nd ICS).
• Select the option that correctly identifies the location for vesicular sounds, which is the peripheral lung area, including the lower lobes.

Concept Tested & Keywords

• Concept Tested: Auscultation of Breath Sounds
• Stem keywords: physical examination, thorax, vesicular sound
• Lead-in keywords: can be heard from which place

Question ID

QyDyhFTKnlMYCL8ZUbzcn8

Copy ID

Reference Book

E6 Nursing Fundamentals Potter Perry 12e Part 3 p. 95-97

E6 Nursing Fundamentals Taylor p. 396-398