Ultrasound Technology Quiz
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Ultrasound Technology Quiz

Created by
@GloriousRhodochrosite

Questions and Answers

What does the transmit/receive switch direct during transmission?

Driving voltages from the pulser and pulse delays to the transducer

What is the purpose of amplifiers in ultrasound technology?

To increase voltage amplitudes to suitable levels

What is called gain in the context of amplifiers?

The increase in voltage amplitudes

What is the purpose of time gain compensation (TGC)?

<p>To equalize differences in received echo amplitudes</p> Signup and view all the answers

Why do echoes from identical reflectors at different depths have different amplitudes?

<p>Because of differences in travel distances and attenuation</p> Signup and view all the answers

What does an analog-to-digital converter (ADC) do?

<p>Converts voltage from analog to digital form</p> Signup and view all the answers

What does the term 'analog' mean?

<p>Proportional</p> Signup and view all the answers

What happens to the echo signal as it travels farther from the transducer?

<p>It becomes weaker due to attenuation</p> Signup and view all the answers

What is the purpose of the pulser in ultrasound technology?

<p>To generate voltage pulses for transmission</p> Signup and view all the answers

What is the function of the transducer in ultrasound technology?

<p>To transmit and receive voltage pulses</p> Signup and view all the answers

What is the primary function of the transmit/receive switch?

<p>To direct driving voltages to the transducer</p> Signup and view all the answers

What happens to the echo signal as it travels farther from the transducer?

<p>It becomes weaker due to attenuation</p> Signup and view all the answers

What is the purpose of amplification in ultrasound technology?

<p>To increase voltage amplitudes</p> Signup and view all the answers

What is the effect of attenuation on the image?

<p>It causes echoes from identical reflectors at different depths to have different amplitudes</p> Signup and view all the answers

What is the purpose of time gain compensation (TGC)?

<p>To equalize differences in received echo amplitudes caused by different reflector depths</p> Signup and view all the answers

What is the function of the amplifiers in ultrasound technology?

<p>To increase voltage amplitudes and compensate for attenuation</p> Signup and view all the answers

What is the purpose of analog-to-digital converters (ADCs) in ultrasound technology?

<p>To convert voltage from analog to digital form</p> Signup and view all the answers

What is the term for the increase in voltage amplitudes?

<p>Gain</p> Signup and view all the answers

What happens to the echo signal as it travels back to the transducer?

<p>It becomes weaker due to attenuation</p> Signup and view all the answers

What is the purpose of the transducer in ultrasound technology?

<p>To transmit and receive echo signals</p> Signup and view all the answers

What is the primary function of the transmit/receive switch in ultrasound technology?

<p>To direct the driving voltages and echo voltages</p> Signup and view all the answers

What is the purpose of amplification in ultrasound technology?

<p>To increase the voltage amplitudes</p> Signup and view all the answers

What happens to the echo signal as it travels farther from the transducer?

<p>It becomes weaker due to attenuation</p> Signup and view all the answers

What is the purpose of time gain compensation (TGC) in ultrasound technology?

<p>To equalize differences in received echo amplitudes caused by different reflector depths</p> Signup and view all the answers

What is the function of analog-to-digital converters (ADCs) in ultrasound technology?

<p>To convert analog voltage to digital form</p> Signup and view all the answers

What is the effect of attenuation on the image?

<p>It decreases the brightness of the image</p> Signup and view all the answers

What is the purpose of pulse delays in ultrasound technology?

<p>To delay the pulse transmission</p> Signup and view all the answers

What is the result of amplification in ultrasound technology?

<p>An increase in voltage amplitudes</p> Signup and view all the answers

What happens to the echo signal as it travels back to the transducer?

<p>It becomes weaker due to attenuation</p> Signup and view all the answers

What is the purpose of the transducer in ultrasound technology?

<p>To convert electrical energy into sound waves</p> Signup and view all the answers

Study Notes

Transmit/Receive (T/R) Switch

  • Directs driving voltages from pulser and pulse delays to transducer during transmission
  • Directs returning echo voltages from transducer to amplifiers during reception

Amplifiers

  • Convert small voltages from transducer elements to larger ones suitable for further processing and storage
  • Increase voltage amplitudes, which is called gain
  • Gain is set subjectively to make echoes appear with appropriate brightnesses
  • Compensate for effect of attenuation on image through time gain compensation (TGC)
  • TGC equalizes differences in received echo amplitudes caused by different reflector depths

Time Gain Compensation (TGC)

  • Reflectors with equal reflection coefficients produce echoes of unequal amplitudes if at different distances from transducer
  • TGC ensures echoes from identical reflectors at different depths have identical amplitudes
  • Compensates for attenuation effect on echoes from deeper reflectors

Analog-to-Digital Converters (ADCs)

  • Convert analog voltage to digital form
  • Analog means "proportional", digital means "in the form of discrete numbers"

Transmit/Receive (T/R) Switch

  • Directs driving voltages from pulser and pulse delays to transducer during transmission
  • Directs returning echo voltages from transducer to amplifiers during reception

Amplifiers

  • Convert small voltages from transducer elements to larger ones suitable for further processing and storage
  • Increase voltage amplitudes, which is called gain
  • Gain is set subjectively to make echoes appear with appropriate brightnesses
  • Compensate for effect of attenuation on image through time gain compensation (TGC)
  • TGC equalizes differences in received echo amplitudes caused by different reflector depths

Time Gain Compensation (TGC)

  • Reflectors with equal reflection coefficients produce echoes of unequal amplitudes if at different distances from transducer
  • TGC ensures echoes from identical reflectors at different depths have identical amplitudes
  • Compensates for attenuation effect on echoes from deeper reflectors

Analog-to-Digital Converters (ADCs)

  • Convert analog voltage to digital form
  • Analog means "proportional", digital means "in the form of discrete numbers"

Transmit/Receive (T/R) Switch

  • Directs driving voltages from pulser and pulse delays to transducer during transmission
  • Directs returning echo voltages from transducer to amplifiers during reception

Amplifiers

  • Convert small voltages from transducer elements to larger ones suitable for further processing and storage
  • Increase voltage amplitudes, which is called gain
  • Gain is set subjectively to make echoes appear with appropriate brightnesses
  • Compensate for effect of attenuation on image through time gain compensation (TGC)
  • TGC equalizes differences in received echo amplitudes caused by different reflector depths

Time Gain Compensation (TGC)

  • Reflectors with equal reflection coefficients produce echoes of unequal amplitudes if at different distances from transducer
  • TGC ensures echoes from identical reflectors at different depths have identical amplitudes
  • Compensates for attenuation effect on echoes from deeper reflectors

Analog-to-Digital Converters (ADCs)

  • Convert analog voltage to digital form
  • Analog means "proportional", digital means "in the form of discrete numbers"

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Description

This quiz covers the basics of ultrasound technology, including the transmit/receive switch and amplifiers.

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