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DVT398 - ML1
USIDMS Extracranial Carotid
| Question | Answer |
|---|---|
| At the point of stenosis, velocity __________. | Increases |
| What Principle states that energy is never lost, only converted from one form to another? | Bernoullis |
| What type of flow is associated with the cardiac cycle? | Pulsatile |
| Turbulent flow is more easily described as? | Chaotic flow of different speeds |
| Resistance is _________ proportional to the radius of a vessel to the 4th power. | Inversely |
| True or False: Gravitational energy is related to the force of gravity. | True |
| When RBC's are moving towards the transducer, the Doppler shift is what? | Positive |
| Name the most common ways to reduce aliasing. | Increase the PRF, use lower frequency transducer, shallower sample volume, continuous wave Doppler, adjust baseline shift |
| The external carotid artery is represented by what type of wave form? | High resistance wave form |
| The inner most layer of a vessel is called? | Tunica Intima |