Stomach Acid

The video tutorial explores hydrochloric acid, a corrosive substance found in the stomach as stomach acid. It discusses the roles of stomach acid in protein denaturation and enzyme activation, and how the stomach lining protects against its corrosive nature. The video also covers acid reflux causes and treatments, including the use of antacids to neutralize excess acid.

What is the primary role of stomach acid in the digestive process?

• To increase the pH of the stomach

• To denature proteins and activate enzymes

• To absorb nutrients directly

• To neutralize other acids

Which cells in the stomach lining help protect it from being corroded by stomach acid?

• Parietal cells

• Chief cells

• Mucus-secreting cells

• Gastrin-secreting cells

What is a common cause of acid reflux?

• Eating spicy or fatty foods

• Sleeping too much

• Drinking too much water

• Exercising excessively

How can the burning sensation of acid reflux be alleviated?

• By drinking cold water

• By consuming more acidic foods

• By lying down immediately after eating

• By consuming alkaline substances

Which of the following is a component of some antacids?

• Sodium chloride

• Calcium carbonate

• Potassium nitrate

• Sulfuric acid