Low PH in the Stomach Is Achieved by What Process

question 63

Multiple Choice

Low pH in the stomach is achieved by what process?

• A) Parietal cells secrete HCl into the lumen of the stomach.
• B) Chief cells secrete acid into the lumen of the stomach.
• C) Parietal cells produce pepsinogen that lowers stomach pH once it enters the stomach.
• D) Chief cells produce pepsinogen that lowers stomach pH once it enters the stomach.

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Definitions:

Variable Cost Per Unit

Variable cost per unit is the cost that varies with the level of output, calculated by dividing the total variable costs by the number of units produced.

Activity Level

The degree of operational intensity or volume of production in a business, often influencing costs and revenues.

Contribution Margin

The amount by which sales revenue exceeds variable costs, indicating how much revenue contributes toward covering fixed costs and generating profit.

Variable Costs

Costs that change in proportion to the level of activity or volume of goods produced.