Which Test Maps Changes in Blood Flow or Oxygen Use

question 270

Multiple Choice

Which test maps changes in blood flow or oxygen use in the brain as a patient thinks or behaves?

• A)an electroencephalogram (EEG)
• B)magnetic resonance imaging (MRI)
• C)a computerized tomography scan (CT scan)
• D)positron emission tomography (PET)

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Definitions:

Closed Primary

A type of primary election where only registered party members can vote to choose their party's candidates.

Open Primary

A primary election where voters are not required to declare party membership to vote for their preferred candidate for a public office.

Majority System

A voting system in which a candidate or proposition must receive more than half of the votes to win.

Electoral College Vote

A process used in the United States to elect the president and vice-president, where electors from each state vote based on the popular vote within their state.