Question

Ultrasound of how much frequency is beamed into human body for sonography ?

• A. 45 - 70 MHz
• B. 30 - 45 MHz
• C. 15 - 30 MHz
• D. 1 - 15 MHz

Answer 1

Answer: (D)

In sonography (ultrasound imaging) inaudible high frequency of sound waves in the range of 1-5 MHz are used.