ARDMS RVT practice exam 1with Complete Solutions

What unit is used in a dialysis graft volume measurements? a) mL/min b) mL/sec c) L/sec d) cm/min - ANSWER- Which description represents the type of waveform morphology demonstrated in this image? a) Pre-steal b) To and Fro c) Pulsus Bisferiens d) Tarvus-Parvus - ANSWER-c) Pulsus Bisferiens Referring to this image, which artery does #2 most likely represent a) common carotid b) Internal carotid c) External carotid d) Vertebral - ANSWER-Vertebral What causes waveforms in a normal Transcranial Doppler study to have the appearance of spectral broadening? a) Large sample volume size compared to arteries b) Small sample volume size compared to arteries c) Use of a transducer with a low frequency range d) Use of a transducer with a high frequency range - ANSWER- Using your mouse, place the cursor in the vessel with caudal blood flow - ANSWER- Which vein will exhibit pulsatile flow as a normal variant? Common Femoral Popliteal Radial Subclavian - ANSWER-Subclavian A 65 yo PT was referred or amaurosis fugax on the Left side. The symptoms are most likely due to lesion in which artery? Ipslateral ECA Ipslateral vertebral Ipslateral carotid Ipslateral MCA - ANSWER-Ipslateral Middle Cerebral Which finding on preoperative vein mapping would likely make AVF creation unsuccessful? Presence of prior AV graft Presence of prior AV Fistula Vein diameter less than 2 mm Arterial diameter less than 3 mm - ANSWER-Vein diameter less than 2 mm What finding is suggested by the lack of a complete venous compression? Stenosis Thrombosis Reflux Collaterization - ANSWER-Thrombosis Which letter in this image identifies the Ulnar artery? - ANSWER-B, pinky side Using your mouse, place the cursor in SMA - ANSWER- The percutaneous transluminal angioplasty site velocity is 165 cm/sec, and velocity ratio is 1.5. Which circumstance would best describe these findings? Normal hemodynamics Mildy abnormal peak systolic velocity w/ normal velocity ratio Mildly normal velocity ratio and Peak systolic velocity Moderately abnormal peak systolic velocity and normal velocity ratio - ANSWER- Which flow change will occur as a result of an acute ICA occlusion? Ipslateral vertebral artery flow velocity will double Ipslateral vertebral artery flow velocity will retrograde Ipslateral CCA velocity will become dampened Ipslateral CCA velocity will become high resistance - ANSWER-Ipslateral CCA velocity will become high resistance Which term referes to contain blood flow outside arterial wall? Pseudoaneurysm Hematoma Aneurysm Dissection - ANSWER-Dissection Where do venous stasis ulcers most frequently occur? Immediately superior to lateral malleolus Immediately superior to Medial malleolus Posterior aspect of the mid calf On the dorsum of the foot - ANSWER-Immediately superior to Medial malleolus Why is it important to visualize the needle tip location within the pseudoaneurysm (PA) prior to the thrombin injection?