ARDMS SPI EXAM (ACTUAL 2025/2026) QUESTIONS &
ANSWERS (GRADED A+)
Quality Factor= Fundamental frequency/ bandwidth - ---
Answers____This allows doses of different types of radiation to
be compared for their biological effects.
Clinical imaging transducers are: - ---Answers____wide
bandwidth; low q factor
Power/area= - ---Answers____Intensity
Increasing wavelength will ___________ frequency.
a. increase
b. decrease
c. not change
d. cannot be predicted. - ---Answers____b. decrease
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 - ---Answers____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 - ---Answers____b. different
A mechanical transducer utilizes:
a. transmit focus
b. receive focus
c. fixed focus
d. dynamic aperture focusing - ---Answers____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 - ---Answers____b. thickness
A strongly focused transducer implies a:
ANSWERS (GRADED A+)
Quality Factor= Fundamental frequency/ bandwidth - ---
Answers____This allows doses of different types of radiation to
be compared for their biological effects.
Clinical imaging transducers are: - ---Answers____wide
bandwidth; low q factor
Power/area= - ---Answers____Intensity
Increasing wavelength will ___________ frequency.
a. increase
b. decrease
c. not change
d. cannot be predicted. - ---Answers____b. decrease
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 - ---Answers____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 - ---Answers____b. different
A mechanical transducer utilizes:
a. transmit focus
b. receive focus
c. fixed focus
d. dynamic aperture focusing - ---Answers____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 - ---Answers____b. thickness
A strongly focused transducer implies a:
