CCI rvs physics (Answered) 63
Questions and Correct Answers, 100%
Correct. Latest 2024/2025.
When the period is increased the pulse duration is
Increased
If the period is increased then the frequency is
Decreased
If a medium has increased stiffness the speed is
Decreasd
If a medium has incresed density the speed is
Increased
If the frequency is increased the pulse duration is
Increased
If the prp is increased the prf is
Increased
If the prp is increased the depth is
Increased
If the prf is uncreased then the depth is
Decreased
If the prf is increaed the prp is
Decreased
If the amplitude is increased, intensity and power are
Increased
When frequency is increased attenuation is
Decreased
When frequency is increased period is
Decreased
, When doppler shift is increased frequency is
Decreased
When there is an increased velocity the doppler shift is
Increased
When the propagation speed is increased the attenuation is
Decreased
Depth settings adjust what?
Prf, prp, and duty factor
What determines axial resolution?
Duty factor
Pressure is measured in?
Pascals
Density is measured in
Cm/sec
Propagation speeed is determined by what ?
Stiffness and density
What is changed by the sonographer ?
Amps , power, and intensity
Wavelegth ans spatial pulse legnth is determined by
Soundsource and medium
The pulse duration, prp and prf and duty factor are determined by what?
Sound source
The amps, power, and intensity are determined by?
Soundsource and medium
The wavelegnth and propagation speed can be changed .. True or false?
True
Period ans pulse duration cannot be changed .. True or false
True
The ability of a test to detect disease is ?
Sensitivity
Ability of a test to detect normalcy??
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