Understanding Ultrasound Physics
Chapter 4 Exam Questions with Latest
Update
What are the 5 parameters that describe pulse waves? - ANSWER-Pulse duration,
PRP, PRF, duty factor and spatial pulse length
Can a continuous wave create an image? - ANSWER-No
Can a pulse wave create an image? - ANSWER-Yes
What is a pulse wave? - ANSWER-Collection of cycles that travel together
What is pulse duration? - ANSWER-The time it takes from the beginning to the end of a
pulse. Single transmit, talking, or "on" time.
What are the units of pulse duration? - ANSWER-units of time
What is pulse duration determined by? - ANSWER-Source
Is pulse duration adjustable? - ANSWER-No
Pulse duration and # of cycles in pulse are? - ANSWER-Directly proportional
Pulse duration and period are? - ANSWER-Directly related
Pulse duration and frequency are? - ANSWER-inversely related
Which type of pulse is more acceptable in diagnostic imaging? - ANSWER-Pulse wave
Which 2 characteristics creates pulses of long duration? - ANSWER-Many cycles in a
pulse or individual cycles with long periods
Which 2 characteristics creates pulses of short duration? - ANSWER-Few cycles in a
pulse and individual cycles with short periods
What is spatial pulse length? - ANSWER-distance from start to end of a pulse that a
pulse occupies in space.
What are the units of spatial pulse length? - ANSWER-distance
Spatial pulse length is determined by? - ANSWER-source and medium
Chapter 4 Exam Questions with Latest
Update
What are the 5 parameters that describe pulse waves? - ANSWER-Pulse duration,
PRP, PRF, duty factor and spatial pulse length
Can a continuous wave create an image? - ANSWER-No
Can a pulse wave create an image? - ANSWER-Yes
What is a pulse wave? - ANSWER-Collection of cycles that travel together
What is pulse duration? - ANSWER-The time it takes from the beginning to the end of a
pulse. Single transmit, talking, or "on" time.
What are the units of pulse duration? - ANSWER-units of time
What is pulse duration determined by? - ANSWER-Source
Is pulse duration adjustable? - ANSWER-No
Pulse duration and # of cycles in pulse are? - ANSWER-Directly proportional
Pulse duration and period are? - ANSWER-Directly related
Pulse duration and frequency are? - ANSWER-inversely related
Which type of pulse is more acceptable in diagnostic imaging? - ANSWER-Pulse wave
Which 2 characteristics creates pulses of long duration? - ANSWER-Many cycles in a
pulse or individual cycles with long periods
Which 2 characteristics creates pulses of short duration? - ANSWER-Few cycles in a
pulse and individual cycles with short periods
What is spatial pulse length? - ANSWER-distance from start to end of a pulse that a
pulse occupies in space.
What are the units of spatial pulse length? - ANSWER-distance
Spatial pulse length is determined by? - ANSWER-source and medium
