Exam (elaborations)
ARDMS SPI QUESTIONS WITH VERIFIED ANSWERS ALREADY GRADED A+
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ARDMS SPI QUESTIONS WITH VERIFIED ANSWERS ALREADY GRADED A+
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Name: Score:22 Multiple choice questions
Term
While performing a Doppler ultrasound examination, you adjust the pulse repetition frequency
to 12 kHz. This can aleo be expressed as:
Frequency
120 MHz
Density
3.5 cm1 of 22
Term
When you change the transmit frequency, which of the following is altered?
Density and compressibility
Amplitude and intensity
Number of cycles per second
Difference in acoustic impedance and angle of incidence2 of 22
Term
If the number of cycle in a pulse is increased but the wavelength remains the same, which of
the following is true?
Difference in acoustic impedance and angle of incidence
Number of cycles per second
Frequency
The pulse duration is increased3 of 22 Term
Which prefix equals 10^-3
Milli
Amplitude
120 MHz
Reflection4 of 22
Term
Relative measurement of intensity based on a logarithmic scale expressed in:
Density
Decibels
Amplitude
Stiffness5 of 22
Term
You are imaging with a 5MHz linear array transducer. What sound parameter stays constant as
the beam propagates through the tissue?
Frequency
Refraction
Refelction
Absorption
Scattering
Difference in acoustic impedance and angle of incidence
C6 of 22 Term
What sound tissue interaction is necessary to form?
Amplitude
Stiffness
Reflection
Density7 of 22
Term
You are imaging a structure that is highly attenuating. Which image effect do you expect to
counter (98)
C
D
Frequency
Refraction
Refelction
Absorption
Scattering8 of 22
Term
When you image a structure that is a specular reflector, the strength of the received signal
depends on the following 2 factors:
Frequency
Refraction
Refelction
Absorption
Scattering
Difference in acoustic impedance and angle of incidence
Number of cycles per second9 of 22
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