A Brain Imaging Technique That Measures the Movement of Blood

question 259

Multiple Choice

A brain imaging technique that measures the movement of blood molecules in the brain is ________.

• A) magnetic resonance imaging (MRI)
• B) magnetoencephalogaphy (MEG)
• C) positron emission tomography (PET) scanning
• D) functional magnetic resonance imaging (fMRI)

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Definitions:

Approach Shore

The action or process of coming closer to the shoreline or coast.

Wave Base

The maximum depth in a body of water at which wave action can move sediments on the seabed, typically correlating with half the wavelength of surface waves.

Moving Current

A steady flow of a fluid in a particular direction, especially a natural flow of water in the ocean.

Longshore Current

A current, generally in an ocean or large lake, flowing more or less parallel to a coastline.