Which of the Following Foods Contains the Lowest Amount of Sodium

question 37

Multiple Choice

Which of the following foods contains the lowest amount of sodium?

• A) a medium fresh orange
• B) one cup of canned vegetable soup
• C) a hot dog
• D) a 4-ounce glass of tomato juice

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Definitions:

Concentration Gradient

The gradual difference in the concentration of solutes in a solution between two regions.

Active Transport

The movement of substances across cell membranes against a concentration gradient, requiring energy input typically from ATP.

Diffusion

The process by which molecules move from an area of higher concentration to an area of lower concentration, contributing to the movement of substances within and between cells.

Osmotic Pressure

The pressure that needs to be applied to a solution to prevent the inward flow of water across a semipermeable membrane.