Encceja Ensino Fundamental Practice Questions - Exame Nacional Para Certificação De Competências De Jovens E Adultos - Ensino Fundamental Exam

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A person frequently experiences heartburn (azia) after meals due to excessive production of hydrochloric acid in the stomach. A doctor explains the digestive process and recommends dietary adjustments along with an antacid medication when needed. What is the primary role of gastric juice in the human stomach, and how do antacids relieve heartburn?

Gastric juice absorbs water and vitamins directly into the bloodstream; antacids accelerate peristaltic contractions of the stomach walls. Gastric juice contains hydrochloric acid and enzymes like pepsin to break down proteins; antacids are basic substances that neutralize excess acid, raising stomach pH to a comfortable level. Gastric juice emulsifies dietary fats into microscopic droplets; antacids stimulate the gallbladder to release additional bile. Gastric juice breaks down carbohydrates into glucose; antacids coat the small intestine to block nutrient absorption.

Correct Answer:

Gastric juice contains hydrochloric acid and enzymes like pepsin to break down proteins; antacids are basic substances that neutralize excess acid, raising stomach pH to a comfortable level.

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