A PET Scan

question 32

Multiple Choice

A PET scan:

• A) records brain waves through electrodes taped to the scalp.
• B) records biochemical changes in the brain as they are happening.
• C) stimulates the brain by producing a magnetic field through a wire coil.
• D) uses radio frequencies and a magnetic field to produce images of the brain.

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Definitions:

Calories

Units of energy in food, with the human body requiring a certain number of calories for basic functions and additional activities.

Protein

Essential nutrients that are vital for building, maintaining, and repairing tissues, cells, and organs throughout the body.

Whole-Grain

Refers to grains that have all of their parts intact: the bran, germ, and endosperm, providing more nutrients and fiber.

Fructose

A simple sugar found in many plants that is sweeter than glucose and used in various foods and beverages.