Which Modification of the Small Intestine Creates a Brush Border

question 6

Multiple Choice

Which modification of the small intestine creates a brush border appearance upon microscopic examination?

• A) plicae circulares
• B) microvilli
• C) circular folds
• D) villi

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Definitions:

Economies of Scale

Cost advantages that enterprises obtain due to their scale of operation, characterized by a reduction in average cost per unit when output is increased.

Diseconomies of Scale

The phenomenon where production costs per unit increase as the volume of output increases.

Constant Returns to Scale

A situation in economics where increasing the inputs in production proportionately increases the output.

Constant Returns to Scale

The situation where an increase in all inputs by a certain factor leads to an increase in output by the same factor, showing linear scalability in production.