SON CANADA CORE PRACTICE EXAM
b. Refraction of sound
What is the cause of this artifact?
a. Reverberation
b. Refraction of sound
c. Increased absorption
d.Perpendicular angle of incidence.
b. 5,000 Hz
What is the nyquist limit for a PRF of 10,000 Hz?
a. 4,000Hz
b. 5,000 Hz
c. 6,000 Hz
d. 7,000Hz
a. Reduce sector width
Which of the following changes could a sonographer make to optimally assess the
dynamic changes occurring in a rapidly moving structure?
a. Reduce sector width
b. Change to multiple foci.
c. Increase scan line density
d. Decrease operating frequency
Which of the following actions show eliminate side lobe artifacts?
a. Increase gain.
b. Lower frequency
c. Adjust post processing.
d. Reorient the scan plane
a. Pre-set
Based on the following images, which parameter should be adjusted to best improve the
diagnostic quality?
, a. Pre-set
b. Harmonics
c. Transducer frequency
d. Transducer Orientation
b. call a code
During a sonographic exam a 72 year old has chest pain, SOB & faints. What should be
the first response?
a. Begin CPR
b. Call a code
c. Administer oxygen
d. Assess systolic function.
a. Increased transducer frequency
Which of the following may contribute to a temperature rise in tissue when exposed to
diagnostic ultrasound?
a. Increased transducer frequency
b. Decreased DR
c. Decrease overall gain
d. Increased persistence
c. wear a mask
When performing a scan on a patient who is under enteric precautions, which of the
following is not required?
a. Wear gloves
b. wear a gown
c. wear a mask
d. Dispose of contaminated articles in specially provided bags.
c. Wide bandwidth, short PD, low Q
Which one of the following best describes characteristics of a modern transducer?
a. Narrow bandwidth, short pulse duration, high Q factor
b. Refraction of sound
What is the cause of this artifact?
a. Reverberation
b. Refraction of sound
c. Increased absorption
d.Perpendicular angle of incidence.
b. 5,000 Hz
What is the nyquist limit for a PRF of 10,000 Hz?
a. 4,000Hz
b. 5,000 Hz
c. 6,000 Hz
d. 7,000Hz
a. Reduce sector width
Which of the following changes could a sonographer make to optimally assess the
dynamic changes occurring in a rapidly moving structure?
a. Reduce sector width
b. Change to multiple foci.
c. Increase scan line density
d. Decrease operating frequency
Which of the following actions show eliminate side lobe artifacts?
a. Increase gain.
b. Lower frequency
c. Adjust post processing.
d. Reorient the scan plane
a. Pre-set
Based on the following images, which parameter should be adjusted to best improve the
diagnostic quality?
, a. Pre-set
b. Harmonics
c. Transducer frequency
d. Transducer Orientation
b. call a code
During a sonographic exam a 72 year old has chest pain, SOB & faints. What should be
the first response?
a. Begin CPR
b. Call a code
c. Administer oxygen
d. Assess systolic function.
a. Increased transducer frequency
Which of the following may contribute to a temperature rise in tissue when exposed to
diagnostic ultrasound?
a. Increased transducer frequency
b. Decreased DR
c. Decrease overall gain
d. Increased persistence
c. wear a mask
When performing a scan on a patient who is under enteric precautions, which of the
following is not required?
a. Wear gloves
b. wear a gown
c. wear a mask
d. Dispose of contaminated articles in specially provided bags.
c. Wide bandwidth, short PD, low Q
Which one of the following best describes characteristics of a modern transducer?
a. Narrow bandwidth, short pulse duration, high Q factor
