Chapter 8 Knobology Flashcards
What imaging mode displays the returning echoes as dots of varying brightness
B-mode
What doppler technique does not display an image and uses 2 crystals- 1 for sending and 1 for listening
Continuous- wave doppler
What control enhances the resolution of the image in a specific area
Transmit time and Focus
What control allows for the overall adjustment of the brightness of the entire image
Overall gain
What control allows for the adjustment of the brightness of a specific depth within the image
Time gain compensation
What control varies the penetration of the echoes displayed on the monitor
Depth
What control would allow the sonographer to select the depth at which the velocity of the blood is measured within a selected vessel
Pulsed wave doppler
What control relates to the amount of energy the transducer is emitting
Acoustic power
What mode displays the strength of the returning echoes as spikes on a scale
A-mode
What type of transducer would require soaking in a decontamination solution after each use
Endovaginal
What term is also referred to as inferior
Caudal
Which of the following would employ a Pedoff probe
1) Continuous wave doppler
2) Pulsed wave doppler
3) Color doppler
4) Power doppler
1) Continuous wave doppler
What transducer would typically yield a rectangular shaped image
Linear
Inclined position with the head raised refers to what position
Fowlers
A person in a reclined position with the feed raised higher than the head is in
Trendelensburg
What control uses a range gate for vessel sampling
Pulsed wave doppler
What control would allow you to sample the velocity within a specific vessel
Pulsed wave doppler
Posterior means
Dorsal
Which of the following relates to the amount of energy the transducer emits into the patient
1) B-color
2) Acoustic power
3) Power on
4) Continuous wave
2) Acoustic power
Away from the surface of the body is
Deep
Anterior refers to
Ventral
In order to enhance the resolution of an area in the image, the sonographer would adjust the
Transmit zone
Which of the following controls would be better viewing of structural borders
1) H-color
2) B-color
3) C-color
4) D-color
2) B-color
Which of the following would allow the display of superficial structures only
1) Increasing the depth
2) Decreasing the TGC
3) Increasing the TGC
4) Decreasing the depth
4) Decreasing the depth
What is another name for time gain compensation
Depth gain compensation
