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WorksheetsDS 4351 Ch 19, 20 (Pics)
Total questions: 39
Worksheet time: 24mins
Which transducer will detect the largest doppler frequency shift?
A
B
C
D
E
Which transducer would NOT detect a doppler frequency shift?
A
B
C
D
E
which box represents pulsed waved (PW) doppler?
pink
purple
which box represents continuous (CW) doppler?
pink
purple
which one represents continuous wave (CW) ?
A
B
which one represents pulsed wave?
A
B
Is this a velocity or variance mode map ?
(a)
is this a variance or velocity mode map?
(a)
do the colors on this map vary side to side?
yes
no
do the colors on this map vary side to side?
yes
no
what does the black area in the center of both maps represent?
(a)
on map 1: red indicated flow (toward/away) from the transducer?
(a)
on map 1: blue indicated flow (toward/away) from the transducer?
(a)
on map 1: red indicated turbulent flow
true
false
on map 2: light blue indicates turbulent flow
true
false
on map 2: blue indicates flow (toward/away) transducer?
(a)
on map 2: red indicates turbulent flow?
true
false
in which direction does the blood flow on the SFA?
left to right
right to left
in which direction does the blood flow through the SFV?
left to right
right to left
what does this represent ?
power doppler
cw doppler
pw doppler
which image demonstrates aliasing?
A
B
which image demonstrates flow reversal ?
A
B
When the blood cells move toward the transducer, the Doppler shift is (positive or negative) ? — that is, the reflected frequency is higher than the transmitted frequency
Positive
Negative
When blood cells move away from the transducer, the Doppler shift is (positive or negative) ? - that is, the reflected frequency is lower than the transmitted frequency
Positive
Negative
What artifact is demonstrated on this image?
(a)
What are the red arrows demonstrating?
(a)
what is the yellow arrow pointing to?
(a)
Which one of the following is true about color map 1?
Red indicates flow toward the transducer
red indicates flow away from the transducer
Blue indicates turbulent flow
Blue indicates laminar flow away from the transducer
Red indicates turbulent flow
Which one of the following is true about color map 1?
Blue indicates flow toward the transducer
Red indicates flow away from the transducer
Blue indicates turbulent flow
Blue indicates laminar flow away from the transducer
Blue indicates flow away from the transducer
Which of the following is true about color map 2?
Blue indicates flow toward the transducer
Blue indicates flow away from the transducer
Light blue indicates turbulent flow
Dark blue indicates laminar flow away from the transducer
Red indicates turbulent flow
Which of the following is true about color map 2?
Green indicates higher velocity toward the tranducer
Red indicates flow away from the transducer
Green indicates higher volume flow toward the transducer
Blue indicates laminar flow away from the transducer
Red indicates turbulent flow
Which statement is true about color map 1?
Red and yellow indicate flow toward the transducer
Red indicates flow away from the transducer
Blue indicates turbulent flow
Green indicates laminar flow away from the transducer
Red indicates turbulent flow
Which statement is true about color map 1?
Red and yellow indicate flow away from the transducer
Red indicates flow away from the transducer
Blue indicates turbulent flow
Green indicates turbulent flow away from the transducer
Red indicates turbulent flow
Which statement is the best reason why color map 1 is a variance mode map?
Red indicates flow toward the transducer
Blue indicates flow away from the transducer
Blue and green indicate flow away from the transducer
Yellow indicates flow away from the transducer
Red indicates turbulent flow
Which statement is true about color map 2?
Light blue indicates flow toward the transducer
Red indicates flow away from the transducer
Dark blue indicates turbulent flow
Dark blue indicates laminar flow away from the transducer.
Red indicates turbulent flow
Which statement is true about color map 2?
Red indicates turbulent flow toward the transducer
Red indicates flow away from the transducer
Light blue indicates turbulent flow
Light blue indicates laminar flow toward the transducer
Red indicates turbulent flow
Which direction does the blood flow through the top vessel
left to right
right to left
left to right, then right to left
right to left, then left to right
What does the black area (yellow arrow) in the center of both blood vessels represent ?
no flow
dissection
a clot
zero Doppler shift
all of the above
In which direction is blood flowing through the vessel?
left to right
right to left
left to right then right to left
right to left then left to right
