What symptom would suggest a patient has dysphagia?

Dysphagia refers to difficulty swallowing, which can involve sensations of pain while swallowing, the feeling of food getting stuck in the throat or chest, or the actual inability to swallow altogether. It can arise from various underlying conditions affecting the esophagus, throat, or nervous system. Recognizing this symptom is crucial for diagnosis and treatment, as it can lead to other complications such as aspiration or malnutrition.

The other options highlight different types of disorders: difficulty hearing pertains to auditory processing issues, the inability to comprehend speech is related to language processing and cognitive function, and the inability to recognize faces indicates potential neurological or psychological conditions like prosopagnosia. None of these symptoms are associated with swallowing difficulties, thus reinforcing that the key feature of dysphagia is indeed related to the act of swallowing itself.