US Physics DMS 600 Questions With Complete Solutions
Side Lobe artifact is caused by .......... transducers?
A Single element/mechanical
B Array
Single element/ mechanical
Which artifact creates a copy of a second reflector that lies side
by side the true reflector?
A Shadowing
B Comet tail
C Mirror image
D Refraction
Refraction
Enhancement occurs when the sound beam travels through a
region of ............ than the surrounding tissue?
A) Higher attenuation
B) Lower attenuation
C) Different propagation speed
D) Similar tissues
Lower Attenuation
The dead zone is located ............. where images are inaccurate
A. At the focus
B. In the far field
C. In the near field
D. Closest to the transducer
,Closest to the transducer
All of the following are related to a high mechanical index
except?
A. Higher frequency
B. more cavitation
C. More pressure
D. Lower frequency
Higher Frequency
The inverse relationship between velocity and pressure in a
moving fluid is described by?
A) Snell's Law
B) Bernoulli's principle
C) Poiseuille's Law
D) Newton's Law
B) Bernoulli's principle
The rate at which work is done is referred to as:
A. Pressure
B. Intensity
C. Amplitude
D. Power
D. Power
Which statement is most correct about power?
A. Power is the rate of work performed
B. Power is expressed as mW/cm squared
C. Power and intensity are always the same
D. Power is equal to the transfer of energy
, A. Power is the rate of work performed
The log of 10,000 is equal to:
A. 2
B. 3
C. 4
D. 5
C. 4
Which statement about intensity is most correct?
A. intensity is proportional to amplitude
B. Intensity is uniform over the beam area
C. Intensity depends upon both power and beam area
D. Intensity varies as it travels creating 5 multiple intensities
C. Intensity depends upon both power and beam area
Wavelength is determined by which factor(s)?
A. Sound source
B. Medium
C. Power
D. A and C
E. A and B
F. all of the above
E. A and B
If the stiffness of the medium increases, the propagation speed
will:
A. Decrease
B. Increase
C. Stay the same
Side Lobe artifact is caused by .......... transducers?
A Single element/mechanical
B Array
Single element/ mechanical
Which artifact creates a copy of a second reflector that lies side
by side the true reflector?
A Shadowing
B Comet tail
C Mirror image
D Refraction
Refraction
Enhancement occurs when the sound beam travels through a
region of ............ than the surrounding tissue?
A) Higher attenuation
B) Lower attenuation
C) Different propagation speed
D) Similar tissues
Lower Attenuation
The dead zone is located ............. where images are inaccurate
A. At the focus
B. In the far field
C. In the near field
D. Closest to the transducer
,Closest to the transducer
All of the following are related to a high mechanical index
except?
A. Higher frequency
B. more cavitation
C. More pressure
D. Lower frequency
Higher Frequency
The inverse relationship between velocity and pressure in a
moving fluid is described by?
A) Snell's Law
B) Bernoulli's principle
C) Poiseuille's Law
D) Newton's Law
B) Bernoulli's principle
The rate at which work is done is referred to as:
A. Pressure
B. Intensity
C. Amplitude
D. Power
D. Power
Which statement is most correct about power?
A. Power is the rate of work performed
B. Power is expressed as mW/cm squared
C. Power and intensity are always the same
D. Power is equal to the transfer of energy
, A. Power is the rate of work performed
The log of 10,000 is equal to:
A. 2
B. 3
C. 4
D. 5
C. 4
Which statement about intensity is most correct?
A. intensity is proportional to amplitude
B. Intensity is uniform over the beam area
C. Intensity depends upon both power and beam area
D. Intensity varies as it travels creating 5 multiple intensities
C. Intensity depends upon both power and beam area
Wavelength is determined by which factor(s)?
A. Sound source
B. Medium
C. Power
D. A and C
E. A and B
F. all of the above
E. A and B
If the stiffness of the medium increases, the propagation speed
will:
A. Decrease
B. Increase
C. Stay the same
