Spi urr Study guides, Class notes & Summaries

URR mock exam 1 SPI Verified Answers ____ is defined as specific area or location where Doppler shift info is being obtained. A. spectral broadening B. nyquist limit C. sample volume D. spectral window C. sample volume Spatial resolution is: A. the minimum reflector separation required to produce separate echos. B. highest with linear phased arrays. C. the weakest reflected signal the transducer can receive D. another term for slice thickness resolution A. the minumum reflect...

The doppler shift is 5000 Hz. The pulse repetition frequency is 9000 Hz. Which of the following is true? A. peak pressure gradient is 36mmHg B. range ambiguity will occur C. aliasing will occur D. the peak velocity is equal to 2 m/s - ️️C. aliasing will occur When evaluating a suspected arterial stenosis, a doppler angel of ____ degrees will produce the most accurate flow velocity. A. 0 B. 30 C. 60 D. 90 - ️️A. 0 Spatial resolution is: A. the minimum reflector separation req...

RVT URR Practice Test 1: QA, Safety, and SPI (14%) 2023/2024 If a renal artery Doppler exam demonstrates normal flow, but stenosis is identified on angiography evaluation, the US results are described as: a.) False negative b.) False positive c.) True negative d.) True positive - ANSWER-a.) False negative What information from an angiography report can be correlated with the ultrasound results? a.) Diameter stenosis b.) Areas of turbulent flow C.) Area stenosis D.) Flow velocity...

URR SPI Questions With Complete Solutions. give the correct units for each: circumference: area: volume: - correct answer. circumference: cm area: cm squared (cm^2) volume: cm cubed (cm^3) when PRP increases, frame rate .... - correct answer. increases period X number of cycles in a pulse = - correct answer. pulse duration 2D imaging is best when the beam is at a ___ degree angle to the structure - correct answer. 90 degree Doppler evaluation is best when th...

give the correct order of receiver operations - 1. amplification 2. compensation 3. compression 4. demodulation 5. reject (low or high) frequency and (low or high) amplitude, will cause an increase in the mechanical index and the risk for cavitation - low frequency, high amplitude give the correct units for each: circumference: area: volume: - circumference: cm area: cm squared (cm^2) volume: cm cubed (cm^3) when PRP increases, frame rate .... - increases period X number of cycles ...

Which setting should be lowered to the minimum level when beginning to evaluate the patient using the orbital window? a.) Output power b.) Doppler gain c.) Wall filter d.) Velocity scale - a.) Output power If the Doppler cursor angle is underestimated, the velocity of the flow will be _____________________ a.) Overestimated b.) Underestimated c.) Be unaffected d.) Dependent solely on the strength of the frequency shift - b.) Underestimated What is the Framingham risk score? - A gender...

URR SPI Exam 1, Questions and Answers Scored A+ The Doppler shift is 5000Hz. The pulse repetition frequency is 9000Hz. Which of the following is true? A: The peak velocity is equal to 2 m/s B: Aliasing will occur C: Range ambiguity will occur D: The peak pressure gradient is 36 mmHg B: Aliasing will occur The acoustic impedance of the matching layer: A: must be much thinner than the transducer element B: usually the same material as the damping layer C: is usually very low ...

URR mock exam 1 SPI Quizzes And Ans

ARDMS RVT URR QA, SAFETY & SPI QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

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