A
piezoelectric crystal is used to produce the ultrasound waves. What
kind of ultrasound is produced? ()
A: Pressure
wave ultrasound
B: Electrical
wave ultrasound
C: Sound
wave ultrasound
D: Simple
ultrasound
piezoelectric crystal is used to produce the ultrasound waves. What
kind of ultrasound is produced? ()
A: Pressure
wave ultrasound
B: Electrical
wave ultrasound
C: Sound
wave ultrasound
D: Simple
ultrasound
A
举一反三
- Ultrasound<br/>molecular imaging is based on the specific acoustic properties of<br/>acoustically active ultrasound contrast agents, which can be<br/>sensitively imaged with regular ultrasound methods. ()
- What kind of wave does ultrasound belong to and has certain radiation? A: Electromagnetic wave B: Mechanical wave C: Particle wave D: Light wave
- How to produce ultrasound wave? A: negative piezoelectric effect of transducer B: Piezoelectric effect of transducer C: Thermal effect of transducer D: The magnetic effect of transducer
- Ultrasound diagnostic technology has been applied in obstetrics for<br/>more than 50 years.(<br/>)
- To ensure delivering a healthy fetus, the more prenatal ultrasound<br/>examinations pregnant woman has, the better.(<br/>)
内容
- 0
Acoustic ultrasound gel is applied to the skin to A: a) Allow good transmission of sound waves into the body. B: b) Lubricate the skin. C: c) Increase the amount of ultrasound scatter.
- 1
Which is not the advantages of the ultrasound imaging?<br/>() A: Simplicity B: Ease of use C: Speed and safety D: Ionizing radiation
- 2
Focused ultrasound knife uses high-intensity focused ultrasound, that is, high energy ultrasound.
- 3
How long should the ultrasound surveillance be taken for the hemangiomas?( ) A: 1<br/>month B: 2<br/>months C: 3<br/>to 6 months D: 4<br/>months E: 5<br/>months
- 4
Which are the most echogenic of ultrasound contrast agents?() A: Microbubbles B: Solid<br/>nanoparticles C: liquid nanoparticles D: nanobubbles