Pediatric Echo Board Review; Questions &
Answers 100% Correct
All of the following machine controls may be used to adjust returning echos
amplitude EXCEPT:
a. gain
b. time gain compensation
c. depth
d. reject Correct Answer-c. depth
The sonographer should choose which of the following sweep speeds when
asked to measure a Doppler time interval?
a. high
b. medium
c. low
d. fixed Correct Answer-a. high
A gain setting which is set too high will have which effect on resolution:
a. improves
b. degrades resolution
c. will increase resolution at shallow depths
d. does not effect resolution Correct Answer-b. degrades resolution
By increasing depth control, frame rate:
a. increases
b. stays the same
c. decreases
, Pediatric Echo Board Review; Questions &
Answers 100% Correct
d. has no effect on frame rate Correct Answer-c. decreases
All of the following types of transducers have variable focus EXCEPT:
a. linear phased array
b. annular phased array
c. convex phased array
d. mechanical "wobbler" Correct Answer-d. mechanical "wobbler" ??
Which of the following transducers is best to use when examining an infant?
a. 2.5 MHz long focus
b. 3.5 MHz short focus
c. 5.0 MHz long focus
d. 7.5 MHz short focus Correct Answer-d. 7.5 MHz short focus
The control which affects signals coming out of memory is:
a. random access
b. receiver gain
c. preprocessing
d. postprocessing Correct Answer-d. postprocessing
The control that will eliminate unnecessary Doppler signals due to wall motion
is:
a. gain
b. baseline
, Pediatric Echo Board Review; Questions &
Answers 100% Correct
c. sample volume
d. filter Correct Answer-d. filter
Increasing the Doppler sample volume size will:
a. increase spectral broadening
b. decrease wall motion noise
c. decrease signal strength
d. increase transmit power Correct Answer-a. increase spectral broadening
The type of Doppler that require 2 crystals is:
a. phased wave
b. high pulse repetition frequency
c. continuous wave
d. color flow Correct Answer-c. continuous wave
As color Doppler sector size decreases, frame rate will:
a. increase
b. decrease
c. remain unchanged
d. vary with color scale Correct Answer-a. increase
All of the following cardiac events are considered diastolic events EXCEPT:
a. opening of atrioventricular valves
, Pediatric Echo Board Review; Questions &
Answers 100% Correct
b. depolarization of the ventricles
c. depolarization of the atria
d. ventricle filling Correct Answer-b. depolarization of the ventricles
Depolarization of the ventricles begins with the EKG:
a. P wave
b. Q wave
c. T wave
d. U wave Correct Answer-b. Q wave
Electrical stimulation in both atria is initiated by the:
a. SA node
b. AV node
c. Bundle of His
d. Purkinje fibers Correct Answer-a. SA node
All of the following EKG waves are considered ventricular systolic events EXCEPT:
a. P wave
b. Q wave
c. R wave
d. S wave Correct Answer-a. P wave
The aortic valve, as related to the pulmonic valve, is located:
Answers 100% Correct
All of the following machine controls may be used to adjust returning echos
amplitude EXCEPT:
a. gain
b. time gain compensation
c. depth
d. reject Correct Answer-c. depth
The sonographer should choose which of the following sweep speeds when
asked to measure a Doppler time interval?
a. high
b. medium
c. low
d. fixed Correct Answer-a. high
A gain setting which is set too high will have which effect on resolution:
a. improves
b. degrades resolution
c. will increase resolution at shallow depths
d. does not effect resolution Correct Answer-b. degrades resolution
By increasing depth control, frame rate:
a. increases
b. stays the same
c. decreases
, Pediatric Echo Board Review; Questions &
Answers 100% Correct
d. has no effect on frame rate Correct Answer-c. decreases
All of the following types of transducers have variable focus EXCEPT:
a. linear phased array
b. annular phased array
c. convex phased array
d. mechanical "wobbler" Correct Answer-d. mechanical "wobbler" ??
Which of the following transducers is best to use when examining an infant?
a. 2.5 MHz long focus
b. 3.5 MHz short focus
c. 5.0 MHz long focus
d. 7.5 MHz short focus Correct Answer-d. 7.5 MHz short focus
The control which affects signals coming out of memory is:
a. random access
b. receiver gain
c. preprocessing
d. postprocessing Correct Answer-d. postprocessing
The control that will eliminate unnecessary Doppler signals due to wall motion
is:
a. gain
b. baseline
, Pediatric Echo Board Review; Questions &
Answers 100% Correct
c. sample volume
d. filter Correct Answer-d. filter
Increasing the Doppler sample volume size will:
a. increase spectral broadening
b. decrease wall motion noise
c. decrease signal strength
d. increase transmit power Correct Answer-a. increase spectral broadening
The type of Doppler that require 2 crystals is:
a. phased wave
b. high pulse repetition frequency
c. continuous wave
d. color flow Correct Answer-c. continuous wave
As color Doppler sector size decreases, frame rate will:
a. increase
b. decrease
c. remain unchanged
d. vary with color scale Correct Answer-a. increase
All of the following cardiac events are considered diastolic events EXCEPT:
a. opening of atrioventricular valves
, Pediatric Echo Board Review; Questions &
Answers 100% Correct
b. depolarization of the ventricles
c. depolarization of the atria
d. ventricle filling Correct Answer-b. depolarization of the ventricles
Depolarization of the ventricles begins with the EKG:
a. P wave
b. Q wave
c. T wave
d. U wave Correct Answer-b. Q wave
Electrical stimulation in both atria is initiated by the:
a. SA node
b. AV node
c. Bundle of His
d. Purkinje fibers Correct Answer-a. SA node
All of the following EKG waves are considered ventricular systolic events EXCEPT:
a. P wave
b. Q wave
c. R wave
d. S wave Correct Answer-a. P wave
The aortic valve, as related to the pulmonic valve, is located:
