Advanced - Day 3

Haste Diffusion uses which Diffusion Mode?

• 1 scan trace

• 4 scan trace

• MDDW

• 3D diagonal

The TTP map stands for_______________________?

• Total time Percentage Map

• Time to Periphery Map

• Total time Performance Map

• Time to Peak Map

Trace weighted diffusion images are summations of at least ___________ diffusion directions.

• 1

• 3

• 4

• 6

Which term determines the strength and duration of the diffusion gradients?

• Diffusion Value

• b-value

• r-value

• Brownian value

What is the term when the motion of a molecule within the brain is restricted its direction?

• Diffusion

• Anisotropic

• Perfusion

You have increased the slice thickness on a Carotid TOF sequence in an elderly patient with poor cardiac output to save time. How would you manipulate the TONE pulse to prevent signal loss at the end of the slice?

• Increase it

• Turn it off

• Decrease it

• Double it

To decrease the RESOLVE segments, which parameter will NOT be manipulated:

• Echo spacing

• Readout segments

• TR

Which CE angiography sequence offers the best temporal resolution?

• TOF

• Dynamic

• Care bolus

• TWIST

The GBP map stands for_______________________?

• Global Balance Point

• Global Bolus Plot

• General Bolus Point

• General Balance Plot

I could ....... to reduce the SAR in a T1 sequence?

• Use hyperecho

• Reduce flip angle

• Decrease TR

• Increase TE