The dominant cause of attenuation in soft tissue is:

In a sector format, each pulse:

What happens to PRP if PRF decreases?

Explain the concept of frequency in ultrasound and its importance in medical imaging. Discuss the different types of frequencies used and how they influence the quality and depth of ultrasound imaging.

Which parameter affects axial resolution?

Which of the following is true about ultrasound imaging and human hearing?

What does acoustic impedance depend on?

Spectral Doppler is useful for:

Duty Factor is defined as:

What frequency range qualifies sound as ultrasound?