What term describes the uncomfortable burning feeling in the chest caused by acidic stomach contents flowing back into the esophagus?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Biology Mcqsbiology-mcqs
Published
11 May 2018
Last updated
28 May 2026

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Explanation

Pyrosis refers to the burning sensation in the chest, commonly known as heartburn, which occurs when acidic chyme refluxes into the esophagus. This distinguishes it from terms like peristalsis (muscle contractions) or dyspepsia (general indigestion).

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