ARDMS SPI Practice Exam B (2022/2023) Correct Q & A, SATISFACTION GUARANTEED, Exams of Nursing

Download ARDMS SPI Practice Exam B (2022/2023) Correct Q & A, SATISFACTION GUARANTEED and more Exams Nursing in PDF only on Docsity! ARDMS SPI Practice Exam B Which artifact is illustrated by this image? - THE CORRECT ASNWER IS a) Shadowing b) Side Lobe c) Reverberation d) Mirroring What is increased if the pulse duration is decreased? - THE CORRECT ASNWER IS a) Bandwidth b) Line Density c) Frame Rate d) Duty Factor What is the most appropriate action for the sonographer to take when receiving a verbal order for an exam? - THE CORRECT ASNWER IS a) Deny performance of the exam until a written request is received b) Seek approval from supervisor c) Verbally repeat the request back to the referrer to verify correctness d) Document two forms of ID of the patient What is the round trip time in soft tissue for an echo from a reflector at a depth of 1 cm - THE CORRECT ASNWER IS a) 1.54 usec b) 6.5 usec c)13 usec d) 26 usec What adjustment should be made to avoid the aliasing displayed on this spectral doppler image seen on spectral analysis? - THE CORRECT ASNWER IS a) Reposition sample volume so it is deeper. b) Decrease acoustic power c) Change the doppler angle from 60 to 45 degrees d) Decrease the transducer freq In an unfocused transducer, what is the region between the transducer face and the point where the beam diverges? - THE CORRECT ASNWER IS a) Side lobe b) Focal Zone c) Near field d) Far field What caused the color pattern demonstrated in the artery indicated by the arrow in this image? - THE CORRECT ASNWER IS a) Superimposed venous flow b) Aliasing c) Flow reversal d) Color side lobe artifact What technique increases the sharpness of high contrast boundaries? - THE CORRECT ASNWER IS a) Edge enhancement b) Interpolation c) Smoothing d) Frame averaging Which setting of an ultrasound system gives the sonographer the ability to display both strong and weak echoes? - THE CORRECT ASNWER IS a) Dynamic range b) Resolution c) Range calibration d) Sensitivity Which condition must be present for refraction to occur? - THE CORRECT ASNWER IS a) Presence of a strong specular reflector b) Presence of several small reflectors c) Difference in tissue prop speeds d) A change in the angle of reflection In this image, most of the blood flow is in which direction? - THE CORRECT ASNWER IS a) Right to left b) Left to right c) Bidirectional d) Indetermiate If red blood cells are approaching a 5 MHz doppler transducer at a sppeed of 75 cm/s, what is the appropriate received ultrasound frequency? - THE CORRECT ASNWER IS a) 4,500 kHz b) 4,995 kHz c) 5,005 kHz d) 5,500 kHz What is the most common cause of localized vertical nonuniformity in a real-time B- mode image? - THE CORRECT ASNWER IS a) Improper TGC b) Defective transducer elements c) Faulty preamplifier d) Malfunctioning scan converter The thermal index (TI) is most affected by which type of interaction between sound and tissue? - THE CORRECT ASNWER IS a) Reflection b) Absorption c) Scattering d) Refraction Which artifact is commonly seen with cystic masses due to the finite dimensions of the ultrasound beam? - THE CORRECT ASNWER IS a) Duplication