Damping in a transducer Study guides, Class notes & Summaries
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ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED
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ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED 
In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... Remain the Same because stiffness and density affect Propagation Speed. 
What is the audible range? 20-20,000Hz 
>20,000Hz=Ultrasound 
Frequency is measured in Hertz (Hz) is Cycles per Second 
Not affected by sonographer 
Increase Frequency; Decrease Depth 
A period is the length of time it takes for one complete wavelength to pass a fixed poin...
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IHS Exam questions And Answers 2023 (Latest 100% Graded A)
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In general, mold modifications are as follows: - Venting affects lows, damping the midrange and horn effects boost highs. 
 
Basic verification involves: - checking MCL and UCL in quiet and noise. 
 
Sound field is - a controlled environment 
 
The configuration and height of the tympanogram can be a factor in deciding the proper matrix for the fitting of a hearing aid: - A high Type A tells us to decrease the output by 2-3 dB 
 
You cannot use feedback checks when - checking the telephone coil ...
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SPI Practice Test Questions & Answers 2024
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SPI Practice Test Questions & Answers 2024 
 
 
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 incre...
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SPI Practice Test Questions And Answers
- Exam (elaborations) • 29 pages • 2023
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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...
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ARDMS SPI PRACTICE TEST NEW 2023-2024 ALL DONE SOLUTION
- Exam (elaborations) • 29 pages • 2023
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ARDMS SPI PRACTICE TEST NEW 2023-2024 ALL DONE SOLUTION 
 
Which of the following do the source and the medium determine? 
 
a. duty factor 
b. frequency 
c. propagation speed 
d. axial resolution 
 
Axial resolution is affected by all of the following EXCEPT 
 
a. frequency 
b. damping 
c. spatial pulse length 
d. focusing 
 
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 penetr...
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IHS Exam questions And Answers 2023 (Latest 100% Graded A)
- Exam (elaborations) • 16 pages • 2023
-
- $11.99
- 1x sold
- + learn more
In general, mold modifications are as follows: - Venting affects lows, damping the midrange and horn effects boost highs. 
 
Basic verification involves: - checking MCL and UCL in quiet and noise. 
 
Sound field is - a controlled environment 
 
The configuration and height of the tympanogram can be a factor in deciding the proper matrix for the fitting of a hearing aid: - A high Type A tells us to decrease the output by 2-3 dB 
 
You cannot use feedback checks when - checking the telephone coil ...
-
PHYSICS ARRT SONOGRAPHY questions with correct answers
- Exam (elaborations) • 27 pages • 2023
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piezoelectric effect? CORRECT ANSWER property of certain materials to create a voltage when pressure is applied 
-indirect piezoelectric effect 
 
reverse piezoelectric effect? CORRECT ANSWER property of certain materials to deform when voltage is applied to them and create pressure (sound) 
 
-direct piezoelectric effect 
 
what piezoelectric material is used in ultrasound transducers? CORRECT ANSWER lead zirconate titanate (PZT) 
 
PZT crystal thickness? CORRECT ANSWER 1/2 wavelength thick 
 ...
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RCIS Question and answers 100% correct
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RCIS Question and answers 100% correct RCIS-Instrumentaion 
 
c. a more pronounced dicrotic notch 
"Waveform damping" may be associated with any of the following except? 
 
a. a drop in systolic pressure 
b. air bubbles in the pressure tube 
c. a more pronounced dicrotic notch 
d. total or partial occlusion of a vessel 
e. contrast media in the pressure tubing 
 
 
e. freuquency 
What is the relationship between gain (transducer output/input) over a range of frequencies? 
 
a. filtration 
b. d...
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Angiography and Coronary Anatomy Question and answers rated A+
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Angiography and Coronary Anatomy Question and answers rated A+ Angiography and Coronary Anatomy 
 
Damping 
waveform loses shape; loss of systolic pressure and only left with diastolic 
 
 
In what coronary artery does the waveform become damp? 
The RCA 
 
 
 
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What would cause damping? 
Line not flushed, bubble in transducer, a narrow osmium, a lesion, catheter gets deep seeded 
 
 
When do the coronary arte...
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SPI Practice Test (with accurate solutions 100%)
- Exam (elaborations) • 28 pages • 2023
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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...
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