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SPI ULTRASOUND REGISTRY REVIEW 100% ACCURATE
SPL - ANSWER wavelength x # of cycles With phased array transducers, the transmitted sound beam is steered by - ANSWER Varying the timing of pulses to the individual piezoelectric elements What type of wave is sound? - ANSWER mechanical and longitudinal The Frequency ranges for Ultrasound are: - ANSWER > 20,000 Hz (20kHz) The speed of sound in soft tissue is: - ANSWER 1540 m/s
- Examen
- • 8 páginas •
SPL - ANSWER wavelength x # of cycles With phased array transducers, the transmitted sound beam is steered by - ANSWER Varying the timing of pulses to the individual piezoelectric elements What type of wave is sound? - ANSWER mechanical and longitudinal The Frequency ranges for Ultrasound are: - ANSWER > 20,000 Hz (20kHz) The speed of sound in soft tissue is: - ANSWER 1540 m/s
ARDMS Ultrasound Physics & Instrumentation Practice Exam Questions & Solutions
Which of the following is defined as only the active time? - ANSWER Pulse duration The inertia of the medium describes its: - ANSWER Density Which of the following is determined by the sound source only? - ANSWER Frequency The prefix "centi" denotes: - ANSWER Hundredths If the angle of incidence is 40°, what is the angle of transmission at the interface if medium 1 has a propagation speed of 1320 m/s and medium 2 has a propagation speed of 1700 m/s? - ANSWER >40°
- Examen
- • 4 páginas •
Which of the following is defined as only the active time? - ANSWER Pulse duration The inertia of the medium describes its: - ANSWER Density Which of the following is determined by the sound source only? - ANSWER Frequency The prefix "centi" denotes: - ANSWER Hundredths If the angle of incidence is 40°, what is the angle of transmission at the interface if medium 1 has a propagation speed of 1320 m/s and medium 2 has a propagation speed of 1700 m/s? - ANSWER >40°
ARDMS SPI Practice Exam B Questions & Complete Solutions (Rated a)
Which artifact is illustrated by this image? - ANSWER a) Shadowing b) Side Lobe c) Reverberation d) Mirroring What is increased if the pulse duration is decreased? - ANSWER a) Bandwidth b) Line Density c) Frame Rate d) Duty Factor
- Examen
- • 4 páginas •
Which artifact is illustrated by this image? - ANSWER a) Shadowing b) Side Lobe c) Reverberation d) Mirroring What is increased if the pulse duration is decreased? - ANSWER a) Bandwidth b) Line Density c) Frame Rate d) Duty Factor
ARDMS SPI exam Questions & Correct Solutions(RATED A)
Terms used to describe the strength the sound beam include: - ANSWER Amplitude and intensity The mass you are imaging has a diameter of 35, mm. This value can also t expressed as: - ANSWER 3.5 cm Relative measurement of intensity based on a logarithmic scale expressed in: - ANSWER Decibels Which prefix equals 10^-3 - ANSWER Milli
- Examen
- • 2 páginas •
Terms used to describe the strength the sound beam include: - ANSWER Amplitude and intensity The mass you are imaging has a diameter of 35, mm. This value can also t expressed as: - ANSWER 3.5 cm Relative measurement of intensity based on a logarithmic scale expressed in: - ANSWER Decibels Which prefix equals 10^-3 - ANSWER Milli
ARDMS - SPI Exam Correct Questions & Solutions(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. - ANSWER 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 - ANSWER D) Quartered Frequency increased from 3 MHz to 6 MHz, what will happen to wavelength? A) Doubled B) Q...
- Examen
- • 15 páginas •
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. - ANSWER 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 - ANSWER D) Quartered Frequency increased from 3 MHz to 6 MHz, what will happen to wavelength? A) Doubled B) Q...
ARDMS- SPI Questions & Correct Solutions(GRADED A)
The horizontal axis, or x-axis - ANSWER Runs side to side The vertical axis, or y-axis - ANSWER Runs up and down Unrelated - ANSWER Two items that are not associated Related or Proportional - ANSWER Two items that are associated or affiliated However, the relationship between the items does not have to be specified Directly related or Directly proportional - ANSWER Two items that are associated such that when one item increases, the other increases
- Examen
- • 36 páginas •
The horizontal axis, or x-axis - ANSWER Runs side to side The vertical axis, or y-axis - ANSWER Runs up and down Unrelated - ANSWER Two items that are not associated Related or Proportional - ANSWER Two items that are associated or affiliated However, the relationship between the items does not have to be specified Directly related or Directly proportional - ANSWER Two items that are associated such that when one item increases, the other increases
SPI Practice Test Questions & 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 - 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 later...
- Examen
- • 29 páginas •
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 later...
ARDMS SPI STUDY GUIDE Questions & Answers(RATED 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 of time it takes for - ANSWER one complete wavelength to pass a fixed point
- Examen
- • 15 páginas •
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 of time it takes for - ANSWER one complete wavelength to pass a fixed point
ARDMS SPI Exam Questions & Correct Solutions(RATED A)
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
- Examen
- • 6 páginas •
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
SSI Instructor Training Course Questions & Answers
When must a certification card be issued? When the student completes the program requirements outlined in the SSI Training Standards Only if the Open Water Instructor decides that the student is qualified Only if the student requests a card Once the training center decides that the student is qualified - ANSWER When the student completes the program requirements outlined in the SSI Training Standards The Open Water Diver program is designed to Teach advanced skills, like lift bags and de...
- Examen
- • 15 páginas •
When must a certification card be issued? When the student completes the program requirements outlined in the SSI Training Standards Only if the Open Water Instructor decides that the student is qualified Only if the student requests a card Once the training center decides that the student is qualified - ANSWER When the student completes the program requirements outlined in the SSI Training Standards The Open Water Diver program is designed to Teach advanced skills, like lift bags and de...
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