The Window Level on a CT Image Is

question 1

Multiple Choice

The window level on a CT image is:

• A) the range of numbers displayed on a CT image
• B) the number of columns and rows of pixels demonstrated on an image
• C) an unwanted image characteristic
• D) the central Hounsfield unit of all the CT numbers displayed on an image

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Definitions:

Nonrival Consumption

A situation where one individual's consumption of a good does not reduce the amount available for consumption by others.

Private Goods

Goods that are excludable and rivalrous in consumption, meaning they can only be used by one person at a time.

Rival Consumption

A situation where the consumption of a good or service by one person reduces its availability for consumption by another person.

Excludable

A characteristic of a good or service that means it can be limited to only paying customers or those who meet certain criteria.