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A mechanical cause for dysphagia (i.e. a stricture) may be suggested by which of the following?

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A mechanical cause for dysphagia (i.e. a stricture) may be suggested by which of the following? Answer: Food bolus impaction

A structural narrowing such as an oesophageal stricture can obstruct passage of solid food and cause food bolus impaction. Difficulty primarily with solids is more suggestive of mechanical obstruction than problems involving liquid swallowing.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the BPSC – Balochistan Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.