Pulser and beam former - Study guides, Class notes & Summaries

ARDMS practice Test 100 Questions with Verified Answers Sonographers should be aware of work-related musculoskeletal disorders. Best practice while scanning is to avoid abducting the arm more than how many degrees? a. 50 b. 90 c. 30 d. 40 - CORRECT ANSWER c. 30 Which action demonstrates best practice during ultrasound exams regarding the ALARA principle? a. The exposure time should be extended during the exam. b. use the lowest possible output power that provides a diagnostic image. ...

Ultrasound Physics Chapter 14 exam with 100% complete solution

ARDMS SPI Exam Questions and Answers 2023 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 tran...

ARDMS SPI ACTUAL FINAL EXAM 2025|(200+)Brand new Exam Questions And Correct Answers All Graded A+|Guaranteed Success|Latest Update Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - 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 - ANSWER-e. digital scan converter Spectral broad...

Reducing the likelihood of bioeffects from acoustic energy is the mission of the: A. Nyquist limit B. Reynolds number C. Huygens principle D. ALARA principle E. Poiseuille principle - Answer- D. ALARA principle The number of cycles in a pulse directly related to the: A. Duty factor B. SPL C. operating frequency D. PRF E. propagation speed of the medium - Answer- B. SPL The Doppler shift frequency is proportional to the: A. Cosine values B. Doppler angle C. Oper...

____ 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 - correct answersC. 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 - correct answersA. the minumum reflector separat...

ARDMS SPI Exam Questions And Correct Answers Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - answera. 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 - answere. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. flow towards th...

Test For Ultrasound Physics Chapter 14(A+ Graded) 1.) the preparation and transmission of electrical signals to the transducer, which creates a sound beam 2.) the reception of electrical signals from the transducer, with subsequent processing into clinically meaningful images and sounds - CORRECT ANSWER-2 major functions of ultrasound system: 1) transducer 2) pulse and beam former 3) receiver 4) display 5) storage 6) master synchronizer - CORRECT ANSWER-6 major components of ul...

Sonography Principles and Instrumentation - ARDMS SPI Exam Multiple Choice Questions and Answers_2022/23. A mechanical transducer utilizes: a. transmit focus b. receive focus c. fixed focus d. dynamic aperture focusing - A reflection will occur at the boundary of two media if the acoustic impedences of the two media are: a. equal b. different c. unchanged d. cannot be predicted - A strongly focused transducer implies a: a. short focal length; decreased beam divergence b. medium ...

The ultrasound PRF is equal to the voltage ______ repetition frequency of the pulser. correct answers Pulse Increased voltage amplitude produced by the pulser increases the ______ and _____ of ultrasound pulsed produced by the transducer. correct answers Amplitude, frequency Functions performed by the signal processor include ________, ________ and _________. correct answers Filtering, detection, compression Amplification increases all _______. correct answers Amplitudes ________ cor...