Study the sounds, not just the names
Focus on distinguishing normal from abnormal sounds, describing them clearly, and recognizing urgent symptoms. This is an original companion guide aligned to the chapter topic, not a reproduction of textbook pages.
Practice questions with rationales
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Recall practice
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Fast comparison sheet
Breath sounds
Vesicular: normal soft rustle over peripheral lungs. Bronchovesicular: medium near major bronchi. Bronchial: loud tubular over trachea; unexpected in peripheral lungs.
Crackles: discrete pops. Wheezes: musical whistles. Rhonchi: coarse snoring/gurgles. Stridor: harsh upper-airway inspiratory noise — urgent with distress. Friction rub: grating.
Bowel sounds
Normal: intermittent gurgles/clicks. Hyperactive: frequent or loud. Hypoactive: sparse/quiet. Absent: requires prolonged listening per protocol; assess the whole patient.
Abdomen order: Inspect → Auscultate → Percuss → Palpate.
Heart sounds
S1 = lub: mitral and tricuspid valves close. S2 = dub: aortic and pulmonic valves close. Murmur: swishing from turbulent flow.
Landmarks: Aortic 2nd right ICS; pulmonic 2nd left ICS; Erb’s 3rd left ICS; tricuspid left lower sternal border; mitral/apex 5th left ICS near midclavicular line.
Clinical safety
Assess breathing effort, vitals, oxygenation when available, pain, mental status, abdominal findings and the patient’s overall condition. New stridor or severe breathing problems need immediate escalation. Do not determine a diagnosis from one sound alone.
Study tip: Say the sound aloud and pair it with a location, description and nursing response.