Podcast
Questions and Answers
In what year was the first application of Ultrasound in medical imaging?
In what year was the first application of Ultrasound in medical imaging?
- 1960
- 1970
- 1942 (correct)
- 1950
What is the frequency of sound that produces a sensation of hearing?
What is the frequency of sound that produces a sensation of hearing?
- Appropriate audible frequency (correct)
- Less than 20,000 Hz
- Between 20,000 Hz to 2 MHz
- Greater than 20 MHz
What is the unit of measurement for frequency?
What is the unit of measurement for frequency?
- 1 cycle/min
- 1 Hz/min
- 1 Hz/sec
- 1 cycle/sec (correct)
What is the relationship between frequency and wavelength?
What is the relationship between frequency and wavelength?
What is the velocity of sound in bone?
What is the velocity of sound in bone?
What is the unit of measurement for acoustic impedance?
What is the unit of measurement for acoustic impedance?
What is the frequency range of medical Ultrasound waves?
What is the frequency range of medical Ultrasound waves?
What type of reflection occurs when a sound wave hits a small structure?
What type of reflection occurs when a sound wave hits a small structure?
What is the type of wave that sound is?
What is the type of wave that sound is?
What is the main factor that affects the attenuation of ultrasound waves?
What is the main factor that affects the attenuation of ultrasound waves?
What is the function of the transducer in an ultrasound scanner?
What is the function of the transducer in an ultrasound scanner?
What is the result of the reflection, scattering, and absorption of ultrasound waves?
What is the result of the reflection, scattering, and absorption of ultrasound waves?
What is the characteristic of the signal reflected by large, regularly shaped objects with smooth surfaces?
What is the characteristic of the signal reflected by large, regularly shaped objects with smooth surfaces?
What is the purpose of the computer in an ultrasound scanner?
What is the purpose of the computer in an ultrasound scanner?
What is a characteristic of ultrasound imaging compared to x-ray images?
What is a characteristic of ultrasound imaging compared to x-ray images?
Why is ultrasound the preferred imaging modality for pregnant women?
Why is ultrasound the preferred imaging modality for pregnant women?
What is a limitation of ultrasound imaging?
What is a limitation of ultrasound imaging?
What is a known effect of ultrasound on the human body?
What is a known effect of ultrasound on the human body?
Why is ultrasound not ideal for imaging large patients?
Why is ultrasound not ideal for imaging large patients?
What is an alternative imaging modality for visualizing internal bone structures?
What is an alternative imaging modality for visualizing internal bone structures?
What is the advantage of ultrasound in guiding minimally invasive procedures?
What is the advantage of ultrasound in guiding minimally invasive procedures?
What is a characteristic of standard diagnostic ultrasound?
What is a characteristic of standard diagnostic ultrasound?
What can affect the quality of ultrasound imaging?
What can affect the quality of ultrasound imaging?
What is the primary function of the piezoelectric crystal in ultrasound generation?
What is the primary function of the piezoelectric crystal in ultrasound generation?
What is the purpose of the clear water-based gel used during an ultrasound exam?
What is the purpose of the clear water-based gel used during an ultrasound exam?
What happens to the ultrasonic beam as it passes through tissues of different acoustic impedance?
What happens to the ultrasonic beam as it passes through tissues of different acoustic impedance?
What is the primary role of the sonographer or radiologist during an ultrasound exam?
What is the primary role of the sonographer or radiologist during an ultrasound exam?
What is the ultimate result of the ultrasound procedure?
What is the ultimate result of the ultrasound procedure?
What is the position of the patient during most ultrasound exams?
What is the position of the patient during most ultrasound exams?
What is responsible for causing a change in the thickness of the piezoelectric crystal?
What is responsible for causing a change in the thickness of the piezoelectric crystal?
Ultrasound imaging uses ionizing radiation.
Ultrasound imaging uses ionizing radiation.
Ultrasound scanning is a painful procedure.
Ultrasound scanning is a painful procedure.
Ultrasound is the preferred imaging modality for pregnant women.
Ultrasound is the preferred imaging modality for pregnant women.
Ultrasound provides real-time imaging.
Ultrasound provides real-time imaging.
Cavitation is a significant risk for humans exposed to ultrasound.
Cavitation is a significant risk for humans exposed to ultrasound.
Ultrasound is suitable for imaging air-filled bowel or organs obscured by the bowel.
Ultrasound is suitable for imaging air-filled bowel or organs obscured by the bowel.
Ultrasound can see the internal structure of bony structures.
Ultrasound can see the internal structure of bony structures.
Large patients are easy to image by ultrasound.
Large patients are easy to image by ultrasound.
Ultrasound imaging has known harmful effects on humans.
Ultrasound imaging has known harmful effects on humans.
CT scanning and MRI are alternative imaging modalities for visualizing internal bone structures.
CT scanning and MRI are alternative imaging modalities for visualizing internal bone structures.
