ARDMS RVT prepping exam 1 Completed with Correct Answers

ARDMS RVT prepping exam 1 Completed with Correct Answers ARDMS RVT prepping exam 1 Completed with Correct Answers What unit is used in a dialysis graft volume measurements? a) mL/min b) mL/sec c) L/sec d) cm/min 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 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 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 Using your mouse, place the cursor in the vessel with caudal blood flow Which vein will exhibit pulsatile flow as a normal variant? Common Femoral Popliteal Radial Subclavian 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 MCAIpslateral 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 Vein diameter less than 2 mm What finding is suggested by the lack of a complete venous compression? Stenosis Thrombosis Reflux Collaterization Thrombosis Which letter in this image identifies the Ulnar artery? B, pinky side Using your mouse, place the cursor in SMA 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 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 Ipslateral CCA velocity will become high resistance Which term referes to contain blood flow outside arterial wall? Pseudoaneurysm Hematoma Aneurysm Dissection Dissection Where do venous stasis ulcers most frequently occur? Immediately superior to lateral malleolus Immediately superior to Medial malleolusPosterior aspect of the mid calf On the dorsum of the foot Immediately superior to Medial malleolus Why is it important to visualize the needle tip location within the pseudoaneurysm (PA) prior to the thrombin injection? To ensure the thrombin is injected into the neck of the jet To avoid a thrombin injection into the femoral artery from the PA To avoid injecting thrombin into the wall of the PA To ensure enough thrombin is dispersed thoroughly within the PA Based on the 2x2 chart, which values provide the Positive predicitve value for this study? Gold standard D 60 15 U P 10 40 L E X 60/70 60/75 75/100 75/125 60/75 What are the gray scale test objects used to assess? Beam profiles Penetration Dynamic range Contrast resolution Contrast resolution Which characteristics best describes the Doppler wavefrom seen in this image of Posterior Tibial Artery without obstruction? Bisferiens Tardus parvus Hyperemic High Resistance Hyperemic Which arteries make up the 3 branches of the celiac axis? Splenic, left gastric, Proper Hepatic Right gastric, gastroduodenal, hepatic Common hepatic, splenic, left gastric Left hepatic, splenic, gastric Splenic, left gastric, Proper HepaticWhich artery is indicated by this arrow in this image? Superior Thyroid ICA ECA Ascending Pharyngeal Superior Thyroid What is the most common site of atherosclerosis in the Lower extremity? Common femoral at the level of the bifurcation Superficial femoral artery at the adducter's canal Popliteal artery at the origin of the geniculate arteries Tibioperoneal trunk at the origin of the anterior tibial artery Superficial femoral artery at the adducter's canal Which Superficial vein diameter would be considered adequate for that vein to be used as a bypass graft conduit? 3mm 1.5mm 1mm 0.5mm 3mm Which term describes microscopic vessels in the tunica adventitia of both arteries and veins? Vasa vasorum Tunica arteriole Tunica mediole Soleal sinusoids vasa vasorum Which structure is the arrow identifying in this cross sectional image of abdominal aorta and SMA? Portal vein Gallbladder Venae cavae Right renal vein Venae cavae What is the appropriate indication for the use of digital photoplethysmorgraphy in the upper extremity? Arm pain w/ exercise Subclavian steal syndrome Atheroembolism Fibromuscular dysplasia Arm pain w/ exercise A Pt presents with for abdominal duplex scan to do suspected ascites. What is visualized in these images of portal venous vein duplex scan? Hepatofugal flowHepatopedal flow Retrograde flow Bidirectional flow Bidirectional flow What is the name of the first vessel seen coming off ECA? Superior thyroid artery Occipital artery Ophthmalmic artery Retinal artery Superior thyroid artery