Physics of 2D and Doppler Imaging

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

Email *

1. The continuity equation is an example of:

1 point

Law of conservation of mass

Law of conservation of energy

Law of conservation of momentum

The Bernoulli principle

Clear selection

2. The speed of sound in tissues is:

1 point

1540 m/s

1540 km/s

1540 cm/s

1540 m/min

Clear selection

3. Determination of regurgitant orifice area by the proximal isovelocity surface area (PISA) method is based on:

1 point

Law of conservation of mass

Law of conservation of energy

Law of conservation of momentum

Jet momentum analysis

Clear selection

4. What is the correct formula for acoustic impedance (Z)?

1 point

Z = density of medium * speed

Z = density of medium / speed

Z = resonant frequency * speed

Z = density of medium * resonant frequency

Clear selection

5. Which U/S modality generates the most heat?

1 point

Continuous wave doppler

Color flow doppler

M-mode imaging

Pulse wave doppler

Clear selection

6. Which of the following tissue characteristics will create the fastest speed of sound?

1 point

high density, high stiffness

low density, high stiffness

low density, low stiffness

high density, low stiffness

Clear selection

7. The term 'ultrasound' refers to all acoustic energy with frequency above:

1 point

20,000 Hz

20 KHz

0.02 MHz

All of the above

Clear selection

8. The scattering that occurs when an ultrasound beam strikes an object much smaller than the beam's wavelength is called:

1 point

Specular scatter

Rayleigh scatter

Reflective scatter

Wavelength reflection

Clear selection

9. Which one of the following is not one of the 6 basic components of an ultrasound system?

1 point

Transducer

DIsplay

Master synchronizer

Pulser

All of the above are basic ultrasound system components

Other:

Clear selection

10. Which of the following mineral IS NOT a common component of ultrasound crystals?

1 point

lead

silicon

zirconate

titanate

Clear selection

Submit

Clear form

Never submit passwords through Google Forms.

This content is neither created nor endorsed by Google. Report Abuse - Terms of Service - Privacy Policy

Forms