What Happens When Two Blocks, One Nested Inside of the Other

question 47

Multiple Choice

What happens when two blocks, one nested inside of the other, both declare variables with the same identifier? (Assume that the outer block declares its variable before the opening left-brace of the inner block.)

• A) A syntax error occurs.
• B) The "outer" variable is hidden while the "inner" variable is in scope.
• C) The "outer" variable is irretrievably lost when the "inner" variable is declared.
• D) The "inner" declaration is ignored and the "outer" variable has scope even inside the inner block.

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Definitions:

Intestinal Epithelial Cells

Cells that line the interior surface of the intestines, playing roles in nutrient absorption, secretion, and serving as a barrier to pathogens.

Emulsify Fats

The process of breaking down fats into smaller droplets, typically by the action of bile acids, to make them easier to digest.

Bile Salts

Components of bile, which aid in the digestion and absorption of fats in the small intestine by emulsifying fats.

Micelles

Aggregates of surfactant molecules dispersed in a liquid colloid, forming a structure with a hydrophilic (water-attracting) exterior and a hydrophobic (water-repelling) core.