A 45-year-old male patient presents with difficulty swallowing and hoarseness that has progressively worsened over the past month. During physical examination, the physician notices that the patient's left vocal cord is paralyzed. The paralysis is most likely due to compression of which of the following nerves?
ALeft superior laryngeal nerve
BLeft vagus nerve
CRight recurrent laryngeal nerve
DLeft recurrent laryngeal nerve
A 3-year-old girl is brought to the physician by her parents because of a barking cough, a raspy voice, and noisy breathing for the last 3 days. Five days ago, she had a low-grade fever and runny nose. She attends daycare. Her immunizations are up-to-date. Her temperature is 37.8°C (100°F) and respirations are 33/min. Physical examination shows supraclavicular retractions. There is a high-pitched sound present on inspiration. Examination of the throat shows erythema without exudates. Which of the following is the most likely location of the anatomic narrowing causing this patient's symptoms?
ABronchioles
BPharynx
CSubglottic larynx
DDistal trachea
EEpiglottis
A 10-month-old boy is brought to the clinic with a history of recurrent episodes of stridor and wheezing. His mother reports that his wheezing is exacerbated by crying, feeding, and flexion of the neck, and is relieved by extension of the neck. Occasionally he vomits after feeding. What is the most likely diagnosis?
ALaryngomalacia
BCongenital subglottic stenosis
CGastroesophageal reflux disease
DDouble aortic arch
ERecurrent viral wheeze
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