Understanding Ultrasound Physics
Chapter 3 Exam Questions with Latest
Update
Parameters - ANSWER-describe features of a sound wave
What are the 7 parameters? - ANSWER-period, frequency, amplitude, power, intensity,
wavelength, speed
What is the source of a sound wave? - ANSWER-ultrasound system and transducer
What is the tissue through which the sound can travel called? - ANSWER-medium
Period - ANSWER-time it takes a wave to vibrate a single cycle (or the time from the
start of one cycle to the start of the next cycle)
Period is reported in units of? - ANSWER-time
What is the typical value of of period in diagnostic ultrasound? - ANSWER-0.06 to 0.5
microseconds
What is a period determined by? - ANSWER-sound source only
Is the period adjustable? - ANSWER-no
Frequency - ANSWER-the number of particular events that occur in a specific duration
of time
How is the frequency of a wave described in diagnostic ultrasound? - ANSWER-number
of cycles that occurs in one second
What is another way to say "per second" - ANSWER-hertz
Frequency is reported in units of ______. - ANSWER-per second, 1/ second, hertz
What is the typical values in clinical imagining for frequency? - ANSWER-2 MHz - 15
MHz
What is another way to say 2 MHz - 15 MHz? - ANSWER-2 million to 15 million per
second
What is frequency determined by? - ANSWER-sound source only
Chapter 3 Exam Questions with Latest
Update
Parameters - ANSWER-describe features of a sound wave
What are the 7 parameters? - ANSWER-period, frequency, amplitude, power, intensity,
wavelength, speed
What is the source of a sound wave? - ANSWER-ultrasound system and transducer
What is the tissue through which the sound can travel called? - ANSWER-medium
Period - ANSWER-time it takes a wave to vibrate a single cycle (or the time from the
start of one cycle to the start of the next cycle)
Period is reported in units of? - ANSWER-time
What is the typical value of of period in diagnostic ultrasound? - ANSWER-0.06 to 0.5
microseconds
What is a period determined by? - ANSWER-sound source only
Is the period adjustable? - ANSWER-no
Frequency - ANSWER-the number of particular events that occur in a specific duration
of time
How is the frequency of a wave described in diagnostic ultrasound? - ANSWER-number
of cycles that occurs in one second
What is another way to say "per second" - ANSWER-hertz
Frequency is reported in units of ______. - ANSWER-per second, 1/ second, hertz
What is the typical values in clinical imagining for frequency? - ANSWER-2 MHz - 15
MHz
What is another way to say 2 MHz - 15 MHz? - ANSWER-2 million to 15 million per
second
What is frequency determined by? - ANSWER-sound source only
