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Free Sonography Principles and Instrumentation Practice Questions

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Total Questions : 187

Start with our free SPI practice questions, carefully crafted to mirror the domains, phrasing, and difficulty of the real ARDMS SPI exam. Each SPI exam question comes with a detailed rationale that explains not just which answer is correct but why the others fall short. That's how concepts stick. Use the free set to benchmark yourself: identify your ARDMS weak domains, see where you're losing marks, and build a focused study plan in minutes.

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Question # 41

During 3-D volume acquisition, the quality of the images is most dependent upon which factor?

Options:

A.  

Number of slices acquired

B.  

Power output

C.  

Rendering method utilized

D.  

Speed of post-processing image compression

Discussion 0
Question # 42

Which factor affects lateral resolution in ultrasound?

Options:

A.  

Beam width

B.  

Depth of penetration

C.  

Propagation speed

D.  

Wavelength

Discussion 0
Question # 43

What is the primary factor that affects axial resolution?

Options:

A.  

Focal zone

B.  

Spatial pulse length

C.  

Speed of sound

D.  

Aperture

Discussion 0
Question # 44

What adjustment is needed to visualize the borders of the anatomical structures in the image below?

Question # 44

Options:

A.  

Decrease depth

B.  

Increase sector width

C.  

Increase dynamic range

D.  

Lower focal zone

Discussion 0
Question # 45

What happens to the Doppler shift when the angle is changed from 30 to 60 degrees?

Options:

A.  

No significant change

B.  

Loss of Doppler signal

C.  

Increases

D.  

Decreases

Discussion 0
Question # 46

How can the spectral Doppler mirroring seen in this image be eliminated?

Question # 46

Options:

A.  

Decrease wall filter.

B.  

Decrease Doppler gain.

C.  

Increase dynamic range.

D.  

Increase pulse repetition frequency (PRF).

Discussion 0
Question # 47

Which parameters determine the propagation speed of sound in a medium?

Options:

A.  

Frequency and impedance

B.  

Amplitude and impedance

C.  

Intensity and density

D.  

Elasticity and density

Discussion 0
Question # 48

What does damping in a pulsed-wave transducer affect?

Options:

A.  

Pulse duration

B.  

Pulse repetition frequency

C.  

Beam focus

D.  

Beam penetration

Discussion 0
Question # 49

What parameter change reduces spectral Doppler aliasing?

Options:

A.  

Increase Doppler angle

B.  

Change color scale

C.  

Decrease pulse repetition frequency

D.  

Utilize m-mode

Discussion 0
Question # 50

What does changing the displayed depth control directly affect?

Options:

A.  

Pulse repetition frequency

B.  

Transducer transmit frequency

C.  

Pulse duration

D.  

Spatial pulse length

Discussion 0

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