Ace the 2026 Leaving Cert Digestion Test – Fuel Your Mind and Digest Success!

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The stomach releases an acid. Name that acid.

Lactic acid

Acetic acid

Hydrochloric acid

Hydrochloric acid. The stomach releases a highly acidic solution to create a very low pH environment that helps activate the enzyme pepsin from pepsinogen and to kill many ingested microbes. The other acids—lactic, acetic, and citric—come from fermentation, food processing, or metabolism and are not the gastric acid produced in the stomach.

Citric acid

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