Ultrasound of how much frequency is beamed into human body for sonography?
15 - 30 MHZ
1 - 15 MHZ
45 - 70 MHZ
30 - 45 MHZ
Correct answer: 1 - 15 MHZ
Solution
Medical sonography uses ultrasound in the megahertz range because these frequencies balance tissue penetration and image resolution. The standard diagnostic range is about 1 to 15 MHz, which is why that option is correct.