Chapter 7

Question 1

go return time or the time-of-flight

Answer 1

The elapsed time from pulse creation to pulse/echo reception

Question 2

Time of flight is directly related to depth

Answer 2

Time of flight ∝ depth

Question 3

13-Microsecond Rule

Answer 3

For every 13 µs of go-return time, the object creating the reflection is 1 cm deeper in the soft tissue