Assess Your Understanding of Arterial Wall Stiffness and Blood Flow
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Questions and Answers

Which factor may lead to less damping of the arterial blood flow pulse?

  • Height
  • Age (correct)
  • Weight
  • Gender

What is the main purpose of this study?

  • To explore the impact of age on arterial walls
  • To analyze the number of MRI-visible PVS in elderly subjects
  • To investigate the relation between blood flow velocity and cardiovascular risk factors
  • To examine the interplay between arterial walls stiffening and microvascular damage (correct)

What imaging technique was used to obtain blood flow velocity waveforms?

  • X-ray
  • Ultrasound
  • CT scan
  • MRI (correct)

Where were the perivascular spaces (PVS) scored in this study?

<p>Basal ganglia (BG) and centrum semiovale (CSO) (C)</p> Signup and view all the answers

What is the age range of the subjects in this study?

<p>48-81 years (D)</p> Signup and view all the answers

Which type of arteries were used to obtain blood flow velocity waveforms in this study?

<p>Lenticulostriate arteries (C)</p> Signup and view all the answers

What is the potential consequence of arterial walls stiffening?

<p>Enlarged perivascular spaces (B)</p> Signup and view all the answers

What is the purpose of investigating the relation between blood flow velocity pulsatility and damping factor?

<p>To explore the relation with MRI-visible PVS in elderly subjects (B)</p> Signup and view all the answers

What is the significance of the Spearman correlation analysis in this study?

<p>To determine the statistical significance of the findings (C)</p> Signup and view all the answers

What is the median age of the subjects in this study?

<p>64 years (B)</p> Signup and view all the answers

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