A Radiographic Examination Has Been Taken Using the Following Exposure

question 34

Multiple Choice

A radiographic examination has been taken using the following exposure conditions: 400 mA, 70 ms, 80 kVp, 1,2 mm fs, 200 RS receptor, 12: grid, 44" SID
To increase the contrast, the most appropriate choice would be to

• A)increase the mA to 500 and decrease time to 56 ms.
• B)switch to the 0.8 mm focal spot.
• C)switch to a 400 RS receptor and decrease the mAs.
• D)switch to a 16:1 grid and increase mAs.

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Definitions:

Hurdle Rate

The minimum acceptable rate of return on an investment, used as a benchmark for deciding whether to pursue a project.

Internal Rate of Return

A calculation used to evaluate the profitability of potential investments.

Payback Period

The length of time it takes to recover the initial cost of an investment.

Accounting Rate of Return

A financial metric used to assess the profitability and potential return of an investment or project, based on the average annual profit compared to the initial investment cost.