ARDMS Sonography Principles and Instrumentation - SPI Exam Practice Test

A. Decrease output power

B. Decrease pulse repetition frequency

C. Increase pulse repetition frequency

D. Increase output power

A. Focal depth

B. Bandwidth

C. Pulse length

D. Frequency

A. The temporal resolution

B. The number of lines displayed

C. The shades of gray displayed

D. The elevational resolution

A. Elasticity of the medium

B. Attenuation

C. Acoustic impedance differences

D. Propagation speed differences

A. Fundamental and fourth harmonic frequencies

B. Fundamental and even harmonic frequencies

C. Fundamental and odd harmonic frequencies

D. Fundamental and second harmonic frequencies

A. 9.0 kHz

B. 1.5 kHz

C. 3.0 kHz

D. 6.0 kHz

A. Beam depth

B. Beam width

C. Beam uniformity ratio

D. Beam thickness

A. Interpolation

B. Autocorrelation

C. Coded excitation

D. Logarithmic compression

A. Option D

B. Option B

C. Option A

D. Option C

A. Image A demonstrates a better axial resolution.

B. Image A demonstrates a lower overall gain setting.

C. Image A demonstrates a wider scale of contrast.

D. Image A demonstrates a shallower field of view.

A. Diffraction

B. Attenuation

C. Reflection

D. Interference

A. A positive shift is always above the baseline

B. A negative shift is always venous flow

C. A negative shift always requires using a lower wall filter

D. A positive shift is always red

A. Changing the gray-scale map

B. Decreasing the frame rate

C. Reducing the number of cycles per pulse

D. Increasing the focal zone

A. There is no relationship between overall gain and image brightness

B. The lower the overall gain, the brighter the image

C. The higher the overall gain, the brighter the image

D. The higher the overall gain, the darker the image

A. Demodulation

B. Compression

C. Time gain compensation

D. Persistence