When It Does Interact with the Image Receptor, the Compton

question 18

Multiple Choice

When it does interact with the image receptor, the Compton scatter photon contributes no useful information because

• A) its energy is too low
• B) its energy is too high
• C) it has changed direction
• D) none of these

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Definitions:

Profitability Index

A financial tool that calculates the ratio between the present value of cash inflows and the present value of initial investment, often used in capital budgeting.

Net Present Value

The difference between the present value of cash inflows and the present value of cash outflows over a period of time, used in capital budgeting to analyze the profitability of an investment.

Profitability Index

A financial tool used to evaluate the desirability of an investment, calculated as the present value of future cash flows divided by the initial investment.

Net Cash Flow

The variance between the cash coming into and going out of a business within a given timeframe.