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Author Archives: Anonymous

What species (metabolites) are not visible on long TE MR Spe…

What species (metabolites) are not visible on long TE MR Spectroscopy acquisitions? You may select more than one.

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Ideally the “g-factor” in a GRAPPA acquisition should be: 

Ideally the “g-factor” in a GRAPPA acquisition should be: 

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What is “spin-spin splitting”?  How does increasing the TE a…

What is “spin-spin splitting”?  How does increasing the TE affect the “spin-spin splitting”?

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A GRAPPA acquisition uses an acceleration factor (AF) equal…

A GRAPPA acquisition uses an acceleration factor (AF) equal to 4.  The “geometry factor” g is equal to 2.   The factor by which the SNR will be reduced compared to a conventional acquisition (without parallel imaging) will be:

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What is the advantage of using a 3T magnet with regards to p…

What is the advantage of using a 3T magnet with regards to performing magnetic resonance spectroscopy?

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Consider a characteristic of a tissue which changes dependin…

Consider a characteristic of a tissue which changes depending on the direction in space.  Such a tissue is called:

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Which of the following describes the k-space (fourier transf…

Which of the following describes the k-space (fourier transform) of the sensitivity profile for a uniform coil?

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Matching: Identify the metabolites/substances which are resp…

Matching: Identify the metabolites/substances which are responsible for the following peaks on the spectrum presented below: ©NAIT

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In diffusion weighted imaging, the diffusion in tissues is e…

In diffusion weighted imaging, the diffusion in tissues is encoded by the use of:

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What value of TR is commonly chosen when performing PRESS ma…

What value of TR is commonly chosen when performing PRESS magnetic resonance spectroscopy? This is the last question. Erase your whiteboard and show it to the camera now.

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