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CRQ 131: Ultrasound Principles 2

Introduction

Regarding ultrasound…

Question No. 2

Q: What frequencies are ultrasound and medical ultrasound? (2 marks)

Question No. 3

Q: Describe 3 outcomes that can occur when an ultrasound wave enters tissue? (6 marks)

Question No. 4

Q: Describe how changes in frequency can alter the image produced? (2 marks)

Question No. 5

Q: Describe how changes in gain can alter the image produced? (2 marks)

Question No. 6

Q: List three forms of acoustic artefact, and for each, explain how it aﬀects the image produced? (6 marks)

Question No. 7

Q: Describe the meaning of axial and lateral resolution in ultrasound? (2 marks)

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