Vascular Quiz 1

What is A?

• CCA

• Bulb

• Bifurcation

• ICA

What pathology does this image represent?

• Reversible flow

• Subclavian steal

• CCA steal

• Triphasic flow

What type of stroke is represented by this image?

• Abruption

• Hemorrhagic

• Aneurysm

• Rupture

What does the highlighted portion of this image represent? In other words, what do we call this network that is highlighted in yellow?

• Circle of life

• Circle of arteries

• Circle of Willis

• Chain of Willis

What type of stroke is represented by this image?

• Occlusion

• Ischemic

• Complete Blockage

• Partial Blockage

What is dysarthria?

• Slurred speech

• Weakness in muscles that control speech

• Nothing to do with speech

• Something to do with speech

What is ataxia?

• Inability to speak or express oneself

• Impairment of speech, lack of coordination and failure to arrange words in proper order

• Difficulty in swallowing

• Loss of normal muscle movement

True or False

The Nyquist Limit is the lowest Doppler frequency or velocity that can be measured without the appearance of aliasing.

• True

• False

Which of the following contains no aliasing?

• Power Doppler

• Color Doppler

• Pulse Doppler

• Spectral Doppler

The likelihood of aliasing in Doppler imaging can be reduced by:

• All of the above

• Increasing the Doppler angle

• Shifting the baseline

• Increasing the PRF

• Reducing the operating frequency