Pre Lecture Quiz 1
Anatomic imaging with ultrasound is accomplished with a pulse-echo technique. A) True B) False
A) True
Which of the following are different types of Doppler modalities? A) Continuous wave Doppler B) All of the choices are correct C) Color Doppler D) Pulse Wave Doppler
B) All of the choices are correct
Please identify the image type in the below ultrasound image. https://sites.austincc.edu/sonography-resources/2d/subcostal-window/ (scroll down to second image) A) Trapezoidal image B) Sector image C) Blunted sector image D) Rectangular image
B) Sector image
The ____________ of each dot then corresponds to the _____________ turn produces the gray scale image
Brightness, Echo strength
We have a 4MHz frequency transducer and we use it to image the tissues of the body. If the echoes from the body have a 2.8MHz frequency, what would be the direction and magnitude of the blood flow? A) 6.8 MHZ away from the sound source. B) 1.2MHz blood flow towards the sound source. C) 1.2MHz blood flow away from the sound source. D) 6.8 MHz towards the sound source.
C) 1.2MHz blood flow away from the sound source.
Sonus is Latin for sound, and Graphein is Greek for, to write. Therefore the word Sonography is translated into _______________ with ultrasound. A) feeling B) All of the choices are correct. C) imaging D) hearing
C) imaging
If our array has 1250 elements, how many scan lines can be produced? A) 296 B) 96 C) 625 D) 1250
D) 1250
Positional information is determined by knowing the _______________ of the pulse when it enters the patient (pt) and measuring the _________________ it takes for its echo to return back to the transducer (TX).
Direction, Time of Flight
As sonographers, we will not be doing passive work, but rather we are part of an interactive process which involves all of the following components, except? A) Sonographer B) Patient C) Transducer D) Radiologist E) Hospital administration
E) Hospital administration
What is 3D imaging? A) Pulse wave Doppler B) Color Doppler C) another name for 2 dimensional imaging. D) Volume imaging
Volume imaging