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Questions and Answers
What is the main idea behind ultrasound?
What is the main idea behind ultrasound?
- Detecting brain tumors with sound waves
- Creating positive and negative pressure changes in tissues
- Using longitudinal motion to visualize internal organs
- Sending waves into the body to create images (correct)
In which decade was real-time imaging in sonography first introduced?
In which decade was real-time imaging in sonography first introduced?
- 1950s
- 1940s
- 1960s (correct)
- 1970s
What is the frequency range of audible sound for most humans?
What is the frequency range of audible sound for most humans?
- (20 Hz - 20 kHz) (correct)
- (5 Hz - 30 kHz)
- (25 Hz - 25 kHz)
- (15 Hz - 40 kHz)
What is the frequency range typically used in diagnostic ultrasound?
What is the frequency range typically used in diagnostic ultrasound?
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How is the propagation speed of an acoustic wave determined in a specific medium?
How is the propagation speed of an acoustic wave determined in a specific medium?
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What is SONAR primarily used for?
What is SONAR primarily used for?
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