ARDMS SPI EXAM LATEST QUESTIONS AND
100% Verified ANSWERS
All of the following directly affect frame rate except:
a. depth of penetration
b. field of view
c. number of focuses
d. line density
e. beam width - answer>>e. beam width
A reflection will occur at the boundary of two media if the acoustic impedences
of the two media are:
a. equal
b. different
c. unchanged
d. cannot be predicted - answer>>b. different
A mechanical transducer utilizes:
a. transmit focus
b. receive focus
c. fixed focus
d. dynamic aperture focusing - answer>>c. fixed focus; sonographer cannot
determine the location of # of foci. mechanical transducer uses cross sectional
imaging, rotating wheel, wobbler, oscillating mirror
, The transducer frequency is primarily determined by the transducer element:
a. diameter
b. thickness
c. propagation speed
d. type - answer>>b. thickness
A strongly focused transducer implies a:
a. short focal length; decreased beam divergence
b. medium focal length; increased beam divergence
c. long focal length; no beam divergenc
d. short focal length; increased beam divergence - answer>>d. short focal length;
increased beam divergence
B-mode displays reflector:
a. amplitude and distance
b. amplitude and velocity
c. power and direction
d. depth and speed - answer>>a. amplitude and distance
An increase in the number of pixels on the display will improve: - answer>>detail
resolution
Propagation speed is determined by:
100% Verified ANSWERS
All of the following directly affect frame rate except:
a. depth of penetration
b. field of view
c. number of focuses
d. line density
e. beam width - answer>>e. beam width
A reflection will occur at the boundary of two media if the acoustic impedences
of the two media are:
a. equal
b. different
c. unchanged
d. cannot be predicted - answer>>b. different
A mechanical transducer utilizes:
a. transmit focus
b. receive focus
c. fixed focus
d. dynamic aperture focusing - answer>>c. fixed focus; sonographer cannot
determine the location of # of foci. mechanical transducer uses cross sectional
imaging, rotating wheel, wobbler, oscillating mirror
, The transducer frequency is primarily determined by the transducer element:
a. diameter
b. thickness
c. propagation speed
d. type - answer>>b. thickness
A strongly focused transducer implies a:
a. short focal length; decreased beam divergence
b. medium focal length; increased beam divergence
c. long focal length; no beam divergenc
d. short focal length; increased beam divergence - answer>>d. short focal length;
increased beam divergence
B-mode displays reflector:
a. amplitude and distance
b. amplitude and velocity
c. power and direction
d. depth and speed - answer>>a. amplitude and distance
An increase in the number of pixels on the display will improve: - answer>>detail
resolution
Propagation speed is determined by: