DMS 216 FINAL EXAM QUESTIONS AND ANSWERS
which mode is excellent at determining depth and thickness of a structure - Answer-A
mode
/.When an entire image is too bright or too dark, adjustments to either output power or
receiver gain will correct the problem - Answer-ALARA
/.method uses sonographic information from several different imaging angles to produce
a single image - Answer-spatial compounding
/.power of an ultrasound wave can be expressed by which unit - Answer-hertz
/.POCUS - Answer-point of care ultrasound system
/.pulse duration is equal to what - Answer-# of cycles x period
/.which region of the TGC indicates the max. amount of compensation that the receiver
can provide - Answer-far gain
/.Do high or low frequency transducers have the best range resolution? - Answer-- low
/.wave interference - Answer-when waves lose their individual characteristics and
combine to form one wave
/.how many characteristics is 2D transducers described by - Answer-- 5
/.what mathematical operations can be used with decibels - Answer-only addition and
subtraction
/.basic ultrasound transducer shape - Answer-cylindrical tube
/.high pixel density characteristics - Answer-smaller pixels
/.can a sonographer change spatial pulse length - Answer-no
/.PACS - Answer-picture archiving and communications system, library of the hospital
which mode is excellent at determining depth and thickness of a structure - Answer-A
mode
/.When an entire image is too bright or too dark, adjustments to either output power or
receiver gain will correct the problem - Answer-ALARA
/.method uses sonographic information from several different imaging angles to produce
a single image - Answer-spatial compounding
/.power of an ultrasound wave can be expressed by which unit - Answer-hertz
/.POCUS - Answer-point of care ultrasound system
/.pulse duration is equal to what - Answer-# of cycles x period
/.which region of the TGC indicates the max. amount of compensation that the receiver
can provide - Answer-far gain
/.Do high or low frequency transducers have the best range resolution? - Answer-- low
/.wave interference - Answer-when waves lose their individual characteristics and
combine to form one wave
/.how many characteristics is 2D transducers described by - Answer-- 5
/.what mathematical operations can be used with decibels - Answer-only addition and
subtraction
/.basic ultrasound transducer shape - Answer-cylindrical tube
/.high pixel density characteristics - Answer-smaller pixels
/.can a sonographer change spatial pulse length - Answer-no
/.PACS - Answer-picture archiving and communications system, library of the hospital
