Attenuation of sound - 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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Edelmen's SPI Exam Review Test Answered 100% Correctly!
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Edelman SPI review questions & Answers 2023. 
______ is the distance covered by one cycle. 
a) pulse length 
b) wavelength 
c) cycle distance 
d) cycle duration 
 
______ is the time to complete one cycle 
a) pulse duration 
b) pulse period 
c) period 
d) duration period 
 
________ is a redirection of an ultrasound bean in many directions as a result of a rough boundary between two media: 
a) refraction 
b) Rayleigh Scattering 
c) scattering 
d) reflection 
 
_________ resolution is...
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SPI ARDMS EXAM |Q & A |ALREADY GRADED A+ |2024 UPDATE
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SPI ARDMS EXAM |Q & A |ALREADY 
GRADED A+ |2024 UPDATE 
What type of wave is sound? Correct Ans ~ mechanical and longitudinal 
The frequency ranges for ultrasound are: Correct Ans ~ >20 kHz 
The speed of sound in soft tissue is: Correct Ans ~ 1540 m/s 
which of the following transducers fires the elements in groups? 
A. Linear sequenced array 
B. Phased array 
C. Continuous-wave transducer 
D. Single-element transducer Correct Ans ~ A 
Enhancement is caused by** Correct Ans ~ weakly attenuati...
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Spectrum - Field Tech New Hire, Spectrum Field Tech New Hire Week 2 Questions and Answers Already Passed
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Spectrum - Field Tech New Hire, Spectrum Field Tech New Hire Week 2 Questions and Answers Already Passed What does the "S" in S.A.F.E stand for? Stop 
What does the "A" in S.A.F.E stand for? Assess 
What does the "F" in S.A.F.E stand for? Focus 
What does the "E" in S.A.F.E stand for? Eliminate 
What are the three branches of the Safety Triangle? Knowledge Technique Attitude 
What (in electricity) is the direct cause of injury voltage (E), current (I), or resistance (R)? Current (I) 
Wha...
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Ultrasound Physics - Mock Exam Questions for SPI Questions With 100% Correct Answers.
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Which of the following statements about speed and attenuation are true? 
a. Attenuation through and propagation speed in a particular medium are unrelated to 
each other. 
b. When a sound beam travels faster in a medium, the attenuation is less. 
c. When a sound beam travels slower in a medium, the attenuation is more. - 
️️Attenuation through and propagation speed in a particular medium are unrelated 
to each other. 
Which of the following lists is in increasing order? 
a. mega, kilo, milli...
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BICSI Installer 2 Latest Update Graded A+
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BICSI Installer 2 Latest Update Graded 
 
A+ 
 
1. **KEY TERMS** 
**Identify the Correct Term:** 
- 1. Attenuation, 2. Bandwidth, 3. Cable Loss, 4. Cladding, 5. Connector, 6. Dispersion, 7. 
Ferrule (Optical Fiber), 8. FC, 9. Furcating Harness, 10. Insertion Loss, 11. LC 
Connector/Adapter, 12. Multimode Optical Fiber, 13. SFF, 14. SC 
**Definition:** 
- The reduction in signal magnitude or power loss as it travels between two points, typically 
measured in decibels (dB) representing the ratio o...
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Pearson RBT Exam ALL ANSWERS 100% CORRECT SPRING FALL2023/24 EDITION GUARANTEED GRADE A+
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The roles and responsibilities of the RBT include which of the following? All of the above (deliver discrete trial instruction and incidental teaching, record data, and implement behavior interventions plans as written as a BCBA) True/False: An RBT can practice independently of a BCBA False Rate is... the total count per a unit of time Duration is... the time from when the behavior begins to when it ends. Latency is... the time between the presentation of a stimulus and the occurrence of a behav...
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Edelman's SPI Exam Tested Questions With Revised Correct Detailed Answers With Rationales GRADED PASS
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Edelman's SPI Exam Tested 
Questions With Revised Correct 
Detailed Answers With Rationales 
GRADED PASS 
 
1) AMPLITUDE, POWER, & INTENSITY; What determines the initial amplitude of 
an ultrasound wave? 
A. the transducer 
B. the medium through which the sound travels 
C. both A and B 
D. neither choice A nor B - ANSWER the transducer; 
the initial strength or amplitude of a sound wave is determined by the vibration of 
the piezoelectric crystal in the transducer. The greate...
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ARDMS SPI Exam |Complete Questions with Correct Answers Graded A+
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ARDMS SPI Exam |Complete Questions with Correct Answers Graded A+ 
When the direction of the wave propagation is parallel to the particle motion of the medium, the wave being transmitted is called a: 
A) surface wave. 
B) longitudinal wave. 
C) transverse wave. 
D) non-linear sound. 
B) longitudinal wave 
 
 
If the sound beam attenuated 6 dB, what will happen to the overall intensity? 
A) Quadrupled 
B) Doubled 
C) Halved 
D) Quartered 
D) Quartered 
 
 
Frequency increased from 3 MHz to 6 MHz,...
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CAOHC LATEST UPDATE WITH CERTIFIED SOLUTIONS
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CAOHC LATEST UPDATE WITH 
CERTIFIED SOLUTIONS 
 
OSHA TREANING REQUIREMENTS MANDATORY PROGRAM FOR EMPLYEES 
WITH NOISE EXPOSURE +85DBA/ EMPLOYER MUST ENSURE PARTICIPATION 
 
OSHA REQUIREMENT PERSONAL HEARING PROTECTORS 
 
ATTENUATION (NRR CONSEPT AND CALCULATION) 
AUDIOMETRICS TESTING PURPOSES, EFFECTS OF NOISE HEARING 
 
IDEALLY TRAINING SHOULD COMPANY SPECIFIC-SHOWCASING EMPLOYEE 
AND WORK AREA 
RELEVANT, APPLICABLE, CURRENT, ENGANING,DIFERRENT FROM LAST YEARIS 
TO MOTIVATE EMPLOYEE TO GHANGE ...
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