Ultrasound Modalities in Medicine
20 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What are the two modalities of ultrasound mentioned in the text?

  • Static energy and dynamic energy
  • Continuous energy and pulsed energy (correct)
  • Single energy and multiple energy
  • Fast energy and slow energy

Which ultrasound modality uses a steady sound source for applications like fetal heart beat detectors?

  • Continuous sound energy (correct)
  • Static sound energy
  • Pulsed sound energy
  • Dynamic sound energy

What type of ultrasound uses a quick blip of sound followed by a relatively long pause?

  • Continuous sound energy
  • Variable sound energy
  • Dynamic sound energy
  • Pulsed sound energy (correct)

How is a two-dimensional image created in ultrasound imaging?

<p>By electronic processing of returning sounds (A)</p> Signup and view all the answers

What generates the electrical pulses for ultrasound transducers in conventional imaging?

<p>Pulse generator (C)</p> Signup and view all the answers

At what rate are pulses produced in conventional ultrasound imaging?

<p>~1,000 pulses per second (A)</p> Signup and view all the answers

What type of waves does ultrasound rely on to image the body?

<p>High-frequency waves (B)</p> Signup and view all the answers

What type of waves are ultrasound waves in the body?

<p>Longitudinal waves (C)</p> Signup and view all the answers

What is the bandwidth of a typical ultrasound pulse dominated by?

<p>Center frequency (B)</p> Signup and view all the answers

What does Doppler ultrasound evaluate through different structures?

<p>Blood flow (C)</p> Signup and view all the answers

What is the function of a pulse generator in ultrasound imaging?

<p>Producing the electrical pulses applied to the transducer (C)</p> Signup and view all the answers

How does continuous sound energy differ from pulsed sound energy in ultrasound?

<p>Pulsed sound energy has a relatively long pause after each burst (D)</p> Signup and view all the answers

What is the main purpose of Doppler ultrasound in medical applications?

<p>Evaluating blood flow through different structures (D)</p> Signup and view all the answers

Why does ultrasound rely on high-frequency sounds to image the body?

<p>To produce longitudinal waves for imaging (D)</p> Signup and view all the answers

How does electronic processing help in creating a two-dimensional image in ultrasound imaging?

<p>By processing the returning sounds from the target (D)</p> Signup and view all the answers

What property of a sound wave is determined by the rate at which tissue structures vibrate back and forth?

<p>Frequency (D)</p> Signup and view all the answers

In ultrasound generation, what does the term 'pulse-echo technique' refer to?

<p>Emitting only a few cycles of pulses at a time (C)</p> Signup and view all the answers

What does the wavelength of an ultrasound wave represent?

<p>The distance a compression wave moves forward (D)</p> Signup and view all the answers

Which mode of ultrasound generation involves producing successive compressions and rarefactions through alternate current voltage?

<p>Continuous Wave Mode (C)</p> Signup and view all the answers

How are tissue positioning and identification achieved in ultrasound imaging using the pulse-echo technique?

<p>By detecting and analyzing pulse echoes (A)</p> Signup and view all the answers

More Like This

Ultrasound in Medical Diagnosis
10 questions

Ultrasound in Medical Diagnosis

InspiringPiccoloTrumpet avatar
InspiringPiccoloTrumpet
Ultrasound Imaging Characteristics
26 questions
Radiologie hoofdstuk 2 echo
50 questions
Use Quizgecko on...
Browser
Browser