Damping in a transducer - Study guides, Class notes & Summaries

Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution - Answer d. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing - Answer 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 axi...

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 ...

SPI Practice Test Questions and Answers Rated A 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 p...

Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution correct answers d. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing correct answers 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 a...

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 transducera. 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 d. reduces the ...

Preparation for Abdomen ARDMS Exam questions and answers latest top score. bulls eye sign - correct answer. Ultrasound appearance of gastroesophageal junction? rugae - correct answer. irregular folds in stomach formed by mucosa and submucosal 5 mm's - correct answer. the undistended wall should not exceed how many mm's haustrae - correct answer. what are the large sacculations of the colon called? thickened loops with no change with compression - correct...

DAVIES SPI: III. Ultrasound Transducers (20% of ARDMS) Questions and Answers 2023 This image was obtained with a linear array transducer. The trapezoidal field of view increases the field of view. How is the trapezoidal shape created? See image for question #244 A. Electronic beam steering B. Side lobes C. Grating lobes D. Mechanically steering the elements E. Mirror A. Electronic beam steering <A trapezoidal image can be obtained with a linear array transducer by electronically ...

ARDMS SPI EXAM STUDY GUIDE 180 Questions with Verified Answers In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... - CORRECT ANSWER Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? - CORRECT ANSWER 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in - CORRECT ANSWER Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is t...

SPI Practice Test Questions And Answers Graded A+

Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution - Answer- d. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing - Answer- 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 lat...