Why Did the USDA Revise Its 1992 Food Guide Pyramid

question 53

Multiple Choice

Why did the USDA revise its 1992 Food Guide Pyramid?

• A) because new data suggested that the 1992 pyramid was too simplistic
• B) because research showed little evidence to support the claim that high carbohydrate intake is beneficial
• C) because the 1992 pyramid glorified carbohydrates while casting all fats as the "bad guys"
• D) for all of these reasons

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Definitions:

Discount Rate

The interest rate used to determine the present value of future cash flows in discounted cash flow analysis, reflecting the opportunity cost of capital.

Drive Axle

An axle that is connected to the drive train and responsible for transferring power from the engine to the wheels.

Ring Gear

Spur gear such as that used on a flywheel for engine cranking, or the outer member of a planetary gearset.

Differential Case

The outer housing that encloses the differential mechanism in a vehicle, protecting its gears and components.