DMS 100 Study Guide Questions With Complete Solutions
______ Frequency is good for deep imaging for deeper
structures. Causes higher penetration but, poorer resolution.
Usually within the 1-3 MHz range Correct Answers Low
_______ crystals generates a higher frequency. Correct Answers
Thinner
_______ Frequency is only good for shallow imaging for
superficial structures. Causes higher resolution but poorer
penetration. Usually within the 10-15 MHz range. Correct
Answers High
_______ thickness determines the transducer frequency. Correct
Answers Crystal
______crystals generates a lower frequency. Correct Answers
Thicker
A crater-like structure due to tears in the intimal lining Correct
Answers Ulcerative
A form of energy that is produced when a vibrating source
causes molecules w/ in a medium to move back and forth.
Correct Answers Sound
A small needle-like structure Correct Answers Spiculated
As a sound wave travels through tissue ____ occurs which acts
to diminish intensity. Correct Answers continuation
, Blue away, red towards (all blood colored blue is away from the
transducer) *most commonly used Correct Answers BART
Capable of producing echoes by reflecting the sound Correct
Answers Echogenic
Diagnostic medical ultrasound is the use of high ____ sound to
aid in the diagnostic and treatment of patients. Correct Answers
frequency
Doppler Term: flow is chaotic, not laminar (such as ascending
aorta) Correct Answers Turbulent
Doppler Term: forward moving Correct Answers Antegrade
Doppler Term: Occurring opposite to the normal direction of
blood circulation Correct Answers Retrograde
Doppler Term: One way flow Correct Answers laminar
Echoes stronger than surrounding tissues Correct Answers
Hyperechoic
Echoes weaker than surrounding tissues Correct Answers
Hypoechoic
Equal echo density Correct Answers Isoechoic
Even echo texture Correct Answers Homogenous
______ Frequency is good for deep imaging for deeper
structures. Causes higher penetration but, poorer resolution.
Usually within the 1-3 MHz range Correct Answers Low
_______ crystals generates a higher frequency. Correct Answers
Thinner
_______ Frequency is only good for shallow imaging for
superficial structures. Causes higher resolution but poorer
penetration. Usually within the 10-15 MHz range. Correct
Answers High
_______ thickness determines the transducer frequency. Correct
Answers Crystal
______crystals generates a lower frequency. Correct Answers
Thicker
A crater-like structure due to tears in the intimal lining Correct
Answers Ulcerative
A form of energy that is produced when a vibrating source
causes molecules w/ in a medium to move back and forth.
Correct Answers Sound
A small needle-like structure Correct Answers Spiculated
As a sound wave travels through tissue ____ occurs which acts
to diminish intensity. Correct Answers continuation
, Blue away, red towards (all blood colored blue is away from the
transducer) *most commonly used Correct Answers BART
Capable of producing echoes by reflecting the sound Correct
Answers Echogenic
Diagnostic medical ultrasound is the use of high ____ sound to
aid in the diagnostic and treatment of patients. Correct Answers
frequency
Doppler Term: flow is chaotic, not laminar (such as ascending
aorta) Correct Answers Turbulent
Doppler Term: forward moving Correct Answers Antegrade
Doppler Term: Occurring opposite to the normal direction of
blood circulation Correct Answers Retrograde
Doppler Term: One way flow Correct Answers laminar
Echoes stronger than surrounding tissues Correct Answers
Hyperechoic
Echoes weaker than surrounding tissues Correct Answers
Hypoechoic
Equal echo density Correct Answers Isoechoic
Even echo texture Correct Answers Homogenous
