With pulse wave doppler - Study guides, Class notes & Summaries

Velocities are usually higher at the proximal anastomosis site of a _____ ______ ______ because the diameter of the graft increases distally - reversed in situ graft Why is there no aliasing on CW doppler - CW uses two elements to send and receive sound waves, PW only uses one What is true regarding compression techniques on a pseudo with a larger stalk - thrombin injection is more effective on pseudos with larger stalks than compressions compressions must be done in 10 1 minute intervals ...

RNAS C Practice Test Review 437 Questions with Verified Answers A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. if in series, voltage drops would occur they can be treated together If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: A. 25%. B. 33%. C. 67%. D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...

SPI Exam Review Questions And Answers (Updated And Verified) Ultrasound imaging type in which pulses are reflected and used to produce a display - answerpulsed wave brightness of the dots on image - answeramplitude round-trip travel time per cm in soft tissue - answer13 microseconds A line produced on a display that represents ultrasonic echoes returning from the body. A sonographic image is composed of many such lines. - answerscan line Type of image presented in a rectangular format. ...

Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - a. transmit Which of the following is considered the memory of an ultrasound instrument? a. pulser b. transducer c. receiver d. beam former e. digital scan converter f. display monitor - e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. flow towards the transducer - b. turbulent flow With pulse wave Doppler a...

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...

The mass you are imaging has a diameter of 35mm. This value can also be expressed as: A: 350 cm B: 0.35 cm C: 3.5 cm D: 35 m E: 3.5 m -answer C Which of the following are types of cavitation? A: Stable and Thermal B: In vivo and In vitro C: Transient and Stable D: Spatial and Transient -answer - C Which of the following displays the lowest intensity value in pulsed wave ultrasound? A: SPTP B: SAPA C: SPTA D: SATA -answer - D With a focused transducer, for which of the e...

ARDMS,SPI Exam Review (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: What happens to axial resolution when spatial pulse length is decreased? Answer: improves Q: How much will a 3.5 MHz pulse be attenuated after passing through 2 cm of soft tissue? Answer: 3.5 dB Q: Propagation speed errors result in Answer: improper axial position Q: Enhancement is caused by Answer: weakly attenuating structures ...

ARDMS SPI REAL EXAM WITH CORRECT ANSWERS LATEST UPDATES Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. flow towards the transducer Correct Answer: b. turbulent flow With pulse wave Doppler axial resolution: Correct Answer: degrades

ARDMS SPI Exam Questions And Answers 100% All Verified Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - ANS-a. transmit Which of the following is considered the memory of an ultrasound instrument? a. pulser b. transducer c. receiver d. beam former e. digital scan converter f. display monitor - ANS-e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transduc...

Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution - d. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing - d. Damping in a transducer a. reduces the number of cycles in a pulse and increases the quality factor b. increases the number of cycles in a pulse and increases penetration c. causes poor axial and lateral resolution ...