Unit for spl - Study guides, Class notes & Summaries
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SPI ULTRASOUND REGISTRY REVIEW Questions and Answers (100% Pass)
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SPL 
 wavelength x # of cycles 
With phased array transducers, the transmitted sound beam is steered by 
 Varying the timing of pulses to the individual piezoelectric elements 
What type of wave is sound? 
 mechanical and longitudinal 
The Frequency ranges for Ultrasound are: 
 > 20,000 Hz (20kHz) 
The speed of sound in soft tissue is: 
 1540 m/s 
Linear sequence Array 
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 transducer that fires the...
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ARDMS SPI STUDY GUIDE Exam Questions With 100% Verified Answers
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ARDMS SPI STUDY GUIDE Exam 
Questions With 100% Verified Answers 
In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... - 
answerRemain the Same because stiffness and density affect Propagation Speed. 
What is the audible range? - answer20-20,000Hz 
>20,000Hz=Ultrasound 
Frequency is measured in - answerHertz (Hz) 
is 
Cycles per Second 
Not affected by sonographer 
Increase Frequency; Decrease Depth 
A period is the length of time it takes for - answerone...
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ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS LATEST TOP SCORE.
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ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS LATEST TOP SCORE. 
 
 
 
 
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 ...
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CAOHC Exam Study Questions and Answers 2024-2025
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Unit of measurement for frequency (pitch) -Correct Answer Hertz (Hz) 
 
Unit of measurement for intensity (loudness) -Correct Answer Decibel (dB) 
 
Risk of damage from noise -Correct Answer How loud (intensity) and how long (duration) 
 
Steady-state or continuous noise, e.g. generator -Correct Answer Lasts 1 second or longer 
 
Impulse or Impact noise, e.g. gunfire or nail gun -Correct Answer Lasts less than one second 
 
Parts of the outer ear -Correct Answer Pinna and external auditory canal...
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2024 Newest |CAOHC Exam Study|2024-2025 UPDATE|COMPREHENSIVE FREQUENTLY MOST TESTED QUESTIONS AND VERIFIED ANSWERS|GET IT 100% ACCURATE
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2024 Newest |CAOHC Exam Study| UPDATE|COMPREHENSIVE FREQUENTLY MOST 
TESTED QUESTIONS AND VERIFIED ANSWERS|GET IT 100% ACCURATE 
Unit of measurement for frequency (pitch) - ANSWER-Hertz (Hz) 
Unit of measurement for intensity (loudness) - ANSWER-Decibel (dB) 
Risk of damage from noise - ANSWER-How loud (intensity) and how long 
(duration) 
Steady-state or continuous noise, e.g. generator - ANSWER-Lasts 1 second or longer 
Impulse or Impact noise, e.g. gunfire or nail gun - ANSWER-Lasts less than...
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SPI Ultrasound Registry Exam Review New Questions 2024 with 100% Correct Answers | Verified | Latest Update | 100% Pass | Already Graded A+
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SPI Ultrasound Registry Exam Review New Questions 2024 with 100% Correct Answers | Verified | Latest Update | 100% Pass | Already Graded A+ 
SPL wavelength x # of cycles 
With phased array transducers, the transmitted sound beam is steered by Varying the timing of pulses to the individual piezoelectric elements 
What type of wave is sound? mechanical and longitudinal 
The Frequency ranges for Ultrasound are: > 20,000 Hz (20kHz) 
The speed of sound in soft tissue is: 1540 m/s 
Linear sequence ...
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ARDMS SPI STUDY GUIDE Exam Questions With Correct Answers
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ARDMS SPI STUDY GUIDE Exam 
Questions With Correct Answers 
In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... - 
answerRemain the Same because stiffness and density affect Propagation Speed. 
What is the audible range? - answer20-20,000Hz 
>20,000Hz=Ultrasound 
Frequency is measured in - answerHertz (Hz) 
is 
Cycles per Second 
Not affected by sonographer 
Increase Frequency; Decrease Depth 
©SIRJOEL EXAM SOLUTIONS 
12/3/2024 11:27AM 
A period is the ...
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ARDMS SPI STUDY GUIDE WITH COMPLETE SOLUTIONS
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ARDMS SPI STUDY GUIDE WITH 
COMPLETE SOLUTIONS 
In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... 
- Correct Answer️️ -Remain the Same because stiffness and density affect 
Propagation Speed. 
What is the audible range? - Correct Answer️️ -20-20,000Hz 
>20,000Hz=Ultrasound 
Frequency is measured in - Correct Answer️️ -Hertz (Hz) 
is 
Cycles per Second 
Not affected by sonographer 
Increase Frequency; Decrease Depth 
A period is the length o...
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CAOHC Exam Study Complete Solutions 100% Pass
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CAOHC Exam Study Complete 
Solutions 100% Pass 
Unit of measurement for frequency (pitch) - Answer- Hertz (Hz) 
Unit of measurement for intensity (loudness) - Answer- Decibel (dB) 
Risk of damage from noise - Answer- How loud (intensity) and how long (duration) 
Steady-state or continuous noise, e.g. generator - Answer- Lasts 1 second or longer 
Impulse or Impact noise, e.g. gunfire or nail gun - Answer- Lasts less than one second 
Parts of the outer ear - Answer- Pinna and external auditory can...
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ARDMS SPI STUDY GUIDE WITH QUESTIONS AND VERIED ANSWERS ALREADY GRADED A
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ARDMS SPI STUDY GUIDE WITH QUESTIONS AND VERIED 
ANSWERS ALREADY GRADED A 
In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... - 
ANSWER>>Remain the Same because stiffness and density affect Propagation Speed. 
What is the audible range? - ANSWER>>20-20,000Hz 
>20,000Hz=Ultrasound 
Frequency is measured in - ANSWER>>Hertz (Hz) 
is 
Cycles per Second 
Not affected by sonographer 
Increase Frequency; Decrease Depth 
A period is the length...
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