BREAST SONOGRAPHY EXAM (ARRT) questions with correct answers

Which artifact may cause structures to look deeper than they actually are? CORRECT ANSWER Propagation Speed Error The optimum operating frequency for a broad-bandwidth transducer would be? CORRECT ANSWER 10 MHz In breast sonography, which of the following is NOT significantly affected by the limited field of view when imaging superficial structures? CORRECT ANSWER Temporal Resolution Which of the following affects the actual intensity of the sound utilized for imaging? CORRECT ANSWER Output Power The dynamic range of a display is the? CORRECT ANSWER Number of gray shades Using color/power doppler while a patient hums to better delineate a mass is called? CORRECT ANSWER Fremitus A standoff pad thicker than 1cm is NOT recommended because it will: CORRECT ANSWER Affect the optimal placement of the fixed elevation plane focus Which type of transducer does NOT allow the sonographer to vary the focusing capabilities? CORRECT ANSWER Mechanical sector