ARDMS SPI Exam - a.transmit b.receive c.gain d.overall gain: a. ...

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ARDMS SPI Exam

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1.Which gain will increase the risk of bioeffects?a.transmit b.receive c.gain

d.overall gain: a. transmit

2.Which of the following is considered the memory of an ultrasound instru- ment?a.pulser b.transducer c.receiver d.beam former e.digital scan converter

f.display monitor: e. digital scan converter

3.Spectral broadening suggest:

a.laminar flow b.turbulent flow c.flow away from the transducer

d.flow towards the transducer: b. turbulent flow

4.With pulse wave Doppler axial resolution:: degrades 5.What color is usually use in color flow Doppler variance map to

indicate turbulent flow?: green

6.Doppler high pass filter eliminates:: high amplitude signals; low velocity flow 7.The Doppler wall filter is considered a:: high pass filter

8.The Nyquist Limit is equal to:

a.propagation speed x frequency b.propagation speed/ wavelength c.PRF/2

d.4xV^2: c. PRF/2 1 / 2

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9.Multiple echoes, equally spaced originating from a gas bubble is called:

a.comet tail b.ring down c.slice thickness artifact

d.multipath: b. ring down

10.An increase in red blood cell velocity will the Doppler Shift: a.increase b.decrease

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