Pulse wave doppler - Samenvattingen, Aantekeningen en Examens

DAVIES SPI REVIEW QUESTIONS AND ANSWERS LATEST TOP SCORE. What action below would be most in keeping with the ALARA principle while performing a diagnostic ultrasound examination? A: Allow multiple students to scan an obstetrical patient because the fetus is in a good position for imaging. B: Prolong the sonogram to make videos of the fetus for each family member. C: Complete the diagnostic scan in a timely fashion at the lowest output power that achieves a quality image. D: Maxi...

SPI exam questions & answers 2024 which of the following is determined by the frequency of the voltage applied to the ultrasound system - continuous wave -pulsed wave -color doppler -power doppler - ANSWER-continuous wave the formula used to determine velocity, what is divided by time? -distance -friction -inertia -hydrostatic pressure - ANSWER-distance low-resistance waveforms display a slow upstroke in -systole -diastole -pulsatile -phasic - ANSWER-systole can compr...

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 Dop...

Edelmen's SPI Exam Review Guaranteed Success What is the relationship between frequency and wavelength in ultrasound? ️️Frequency and wavelength are inversely related; as frequency increases, wavelength decreases, enhancing resolution but reducing penetration depth. How does acoustic impedance affect ultrasound imaging? ️️Acoustic impedance is the resistance to sound wave transmission; differences in impedance between tissues cause reflections that form the ultrasound imag...

SPI Practice Questions Answers A Which of these terms means 'many gray shades'? A wide dynamic range B bistable C high contrast D highly compressed signal E few choices ️A wide dynamic range Which of the following will result in the highest mechanical index? A high intensity and high frequency B low frequency and high signal amplitude C low intensity and low frequency D high frequency and low power ️B low frequency and high signal amplitude mechanical index is inver...

Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - CORRECT ANSWER 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 - CORRECT ANSWER e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. flow towards the transduce...

ARDMS SPI Exam |Complete Questions with Correct Answers Graded A+ 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. f...

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 ...

NUR 6512 FINAL EXAM LATEST UPDATED 2024 Varicosity Findings In Pregnant Women - With increasing cardiac output beginning in  the 1st trimester, the pulse may be more easily palpated, with an abrupt rise and  rapid fall. With increasing blood volume in the second trimester, jugular a and v  waves may be easier to see. JVP should remain normal. Peripheral edema is a  common finding as the pregnancy progresses. Varicose veins can develop during  pregnancy and in the postpartum period. ...

ARDMS SPI Practice Test A Questions and Verified Answers Which parameter is most likely to affect spatial resolution?A.dynamic range B.beam width C.system sensitivity D.depth of visualization - CORRECT ANSWER-D.depth of visualization When using a 5MHZ transducer, in which tissue is the ultrasound wavelength shortest? A.fat B.blood C.bone D.muscle - CORRECT ANSWER-A.fat What affects the beam width in the near field? A.Pulse repetition frequency B.Pulse duration C.Frame rate D.Tran...