A Device Used to Control the Size of the Radiation

question 13

Multiple Choice

A device used to control the size of the radiation field is a:

• A) collimator.
• B) tube housing.
• C) detent.
• D) filter.

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Definitions:

Call Option

A financial contract that gives the buyer the right, but not the obligation, to buy a specified quantity of an asset at a predetermined price within a specified time period.

Stock Price

The current market price at which a share of stock can be bought or sold.

Exercise Price

The price at which the holder of an option can buy or sell the underlying asset.

Time Value

The portion of an option's premium that is attributable to the amount of time remaining until the expiration of the option contract.