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Questions and Answers
What is the primary mechanism used in echolocation?
What is the primary mechanism used in echolocation?
- Using radar to navigate
- Using infrared to navigate
- Using sound waves to navigate (correct)
- Using sight to navigate
What is the function of a transducer in ultrasound technology?
What is the function of a transducer in ultrasound technology?
- To visualize the images
- To produce and receive sound waves (correct)
- To amplify sound waves
- To process the data
What is the primary advantage of ultrasound imaging?
What is the primary advantage of ultrasound imaging?
- High-quality images
- Real-time imaging
- No radiation involved (correct)
- All of the above
What is the purpose of the probe in ultrasound imaging?
What is the purpose of the probe in ultrasound imaging?
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At what stage of pregnancy can ultrasound imaging be used?
At what stage of pregnancy can ultrasound imaging be used?
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What is the term for the reflection of sound waves?
What is the term for the reflection of sound waves?
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Study Notes
Ultrasound Technology
- Ultrasound technology uses high-frequency inaudible sound waves, above 20 km2, for echolocation and navigation.
- Echolocation is a method of navigating using sound waves rather than sight.
Components of Ultrasound Equipment
- Trackditder: produces sound waves
- Console: controls the system
- CPU: processes the data
- Probe: transducer that produces and receives ultrasound pulses
Principles of Ultrasound
- Ionoffoce: more reflection occurs with a larger difference in acoustic impedance between two media
- Gel is used as a medium between the probe and the skin to reduce refraction and increase reflection
- Sound waves can be absorbed by certain materials, such as bone and air
Applications of Ultrasound
- Early pregnancy detection and monitoring of the uterus
- Real-time imaging of internal organs and structures
- Doppler ultrasound: measures blood flow and velocity
Advantages of Ultrasound
- No radiation exposure
- Non-invasive and comfortable for patients
- Wide availability and accessibility
- High-resolution imaging with fine details
- Excellent for guiding interventional procedures
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