A Brain-Imaging Method Called ________ Takes Advantage of the Magnetic

question 135

Multiple Choice

A brain-imaging method called ________ takes advantage of the magnetic properties of different atoms to take sharp, three-dimensional images of the brain.

• A) electroencephalography (EEG)
• B) magnetic resonance imaging (MRI)
• C) positron emission magnetography (PEM)
• D) computed tomography (CT)

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Definitions:

Intertidal Zone

The area of the shoreline that is exposed to the air at low tide and submerged under water at high tide, home to diverse organisms.

Mussels

Aquatic mollusks with a bivalve shell, widely consumed as seafood, and known for their role in aquatic ecosystems as filter feeders.

Keystone

An essential element or species that plays a critical role in maintaining the structure of an ecological community, affecting many other organisms within the community.

Disproportionately

To an extent that is too large or too small in comparison with something else or in relation to the whole.