TheoryRespiratory TMC Practice Test Video
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Q1Coarse, low-pitched bubbling sounds heard over the large airways that often clear with coughing are best described as:
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✓ Correct answer: Coarse crackles (rhonchi)
Coarse crackles, sometimes called rhonchi, arise from secretions in larger airways and frequently change or clear after the patient coughs.
Q2A high-pitched, musical, continuous sound heard on expiration is most consistent with:
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✓ Correct answer: Wheezing
Wheezes are continuous, high-pitched musical sounds produced by airflow through narrowed airways, classically heard in bronchospasm.
Q3A harsh, high-pitched sound heard over the upper airway during inspiration in a patient recently extubated suggests:
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✓ Correct answer: Upper airway obstruction (stridor)
Inspiratory stridor after extubation indicates upper-airway narrowing, commonly from laryngeal edema, and warrants prompt evaluation.
Q4A bluish discoloration of the lips and oral mucosa indicating reduced oxygenation is termed:
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✓ Correct answer: Central cyanosis
Central cyanosis reflects desaturated hemoglobin in mucous membranes and signals significant hypoxemia, unlike peripheral cyanosis from poor perfusion.
Q5Clubbing of the fingers in a patient with chronic lung disease most directly reflects:
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✓ Correct answer: Chronic hypoxemia
Digital clubbing develops with long-standing hypoxemia and chronic conditions such as bronchiectasis, interstitial fibrosis, and cyanotic heart disease.
Q6Increased tactile fremitus over a region of the chest most likely indicates:
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✓ Correct answer: Lung consolidation (pneumonia)
Consolidated lung transmits vibration better than air-filled lung, so fremitus increases; air or fluid between the lung and chest wall decreases it.
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