Quality Assurance Flashcards
_________________ is identifying and measuring characteristics of the ultrasound energy field relevant to its potential for producing biological effects.
Dosimetry
Invivo
Invitro
Dosimetry
When using a tissue equivalent phantom, _________ resolution is evaluated by measuring the WIDTH of the reflection of the target pin.
Question 9Answer
axial
lateral
Radial
temporal
lateral
When using a tissue equivalent phantom, _________ resolution is evaluated by assessing two closely spaced target pins along the sound beam’s main axis.
Question 8Answer
temporal
axial
azimuthal
lateral
axial
A __________________is a mechanism to evaluate all types of procedures performed within the ultrasound laboratory on an ongoing basis
Question 7Answer
standard operating procedure for infection control
quality assurance
continuous quality improvement (CQI) program
routine electrical inspection of the instrument
continuous quality improvement
Your US laboratory has fifty (50) US examinations available to compare with CT results. The CT confirmed the US findings in forty-two (42) cases. Of these, thirty (30) patients had disease, and twelve (12) patients had none. In 5 cases, the US found there was disease while the CT showed no disease. In another three (3) cases, the US exam revealed no disease, but the CT identified disease. The number of false positives is ________.
Question 6Answer
50
12
3
5
12
