What determines the brightness of a dot in the pulse-echo image?

Which describes the number of pulses per second?

Explain the different sonographic imaging formats mentioned in Chapter 1, particularly focusing on the linear, sector, and combination formats. Discuss their applications and how they differ in terms of image production.

What unit is used for frequency in sonography?

Which parameter affects axial resolution?

Sound is classified as a __________ wave.

Describe the phenomenon of attenuation in ultrasound imaging and its implications. How does attenuation affect image quality, and what methods are used to compensate for it?

What is speckle in sonographic imaging?

Discuss the operating principles of sonography, focusing on the pulse-echo technique and its significance in medical imaging. Explain how the echoes are used to create an image and the importance of echo strength and return time.

Which describes the number of pulses per second?