Spatial Resolution on PET Scanners Is Determined Primarily by

question 1

Multiple Choice

Spatial resolution on PET scanners is determined primarily by

• A)the collimator used and the size of the septa.
• B)the size of the crystals and their separation.
• C)the sensitivity of the system and the number of rings.
• D)the scatter correction and the accuracy of the attenuation correction.

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Definitions:

Net Inflow

Net inflow refers to the total incoming resources or capital minus the outgoing resources or capital in a particular time period.

Current Account

A component of a country's balance of payments that includes the trade balance, net primary income, and net secondary income, reflecting the difference between a country's savings and its investment.

Capital and Financial Account

A component of a country's balance of payments that records investment flows and purchasing of domestic firms by foreign investors, and vice versa.