Ultrasound - Quiz 1

phased array

which transducer is best for imaging the heart?

linear array

what type of transducer produced this image?

shallow tissue penetration

which of the following is a disadvantage of using high-frequency transducers?

phased array

what type of transducer produced this image?

anechoic

which tern best describes the ultrasound echogenicity of this structure?

hyperechoic

which term best describes the ultrasound echogenicity of this structure?

blood flow toward to the transducer

on doppler, which describes a red vessel?

blood flow away from the transducer

on doppler, which describes a blue vessel?

B mode

which imaging mode is illustrated below?

M mode

which imaging mode is illustrated below?

acoustic enhancement

what artifact is demonstrated by arrow 1?

edge

what artifact is demonstrated by arrow 2?

reverberation

what artifact is demonstrated by arrow 3?

acoustic shadowing

what artifact is demonstrated by arrow 4?

decrease depth

how would you optimize this image on the kidney?

increase gain

how would you optimize this image of a blood vessel?

pulsatile on light pressure

what is NOT a finding of a normal vein on ultrasound?

true

T/F - deep veins are typically accompanied by an adjacent artery

false

T/F - compression of a vein requires forceful compression

false

T/F - this color flow doppler is showing a normal vessel

non-compression of the venous lumen

what is the main diagnostic criterion for diagnosis of DVT?

hyperechoic

what is characteristic echogenicity of a subacute or chronic thrombus?

false

T/F - the longitudinal cross section is the best view to diagnosis DVT

linear array

which transducer is best for DVT exam?