Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

AN SPI VOCAB > EDELMAN HINTS > Flashcards

EDELMAN HINTS Flashcards

1
Q

IS PRP RELATED TO PERIOD?

A

NO, PRP IS RELATED ONLY TO DEPTH OF VIEW

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

IS PRF RELATED TO FREQUENCY?

A

NO, IT IS RELATED ONLY TO DEPTH OF VIEW

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

WHAT HAPPENS WHEN YOU ADJUST IMAGING DEPTH?

A

THE SYSTEM CHANGES THE PRP, PRF AND DUTY FACTOR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

WHICH IS ALWAYS HIGHER: SPATIAL PEAK INTENSITY OR SPATIAL AVERAGE INTENSITY?

A

SPATIAL PEAK INTENSITY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

WHICH IS THE MOST RELEVANT INTENSITY WITH RESPECT TO TISSUE HEATING?

A

SPTA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

WHAT IS PRP DIRECTLY RELATED TO?

A

MAXIMUM IMAGING DEPTH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

WHAT IS PRF INVERSELY RELATED TO?

A

IT IS INVERSELY RELATED TO MAXIMUM IMAGING DEPTH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

WHAT KIND OF BANDWIDTH OCCURS WITH LONG DURATION EVENTS?

A

NARROW BANDWIDTH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

WHAT KIND OF BANDWIDTH OCCURS WITH SHORT DURATION EVENTS?

A

WIDE BANDWIDTH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

WHAT KIND OF Q FACTOR IS WITH A SHORTER, DAMPENED PULSE?

A

LOWER Q FACTOR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

WHAT KIND OF Q FACTOR IS WITH LONGER, UNDAMPED PULSE?

A

HIGHER Q FACTOR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

WHAT DOES BEAM DIAMETER EQUAL AT THE TRANSDUCER?

A

IT EQUALS THE TRANSDUCER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

WHAT DOES THE BEAM DIAMETER EQUAL AT THE FOCUS?

A

IT IS ONE-HALF TRANSDUCER DIAMETER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

WHAT DOES BEAM DIAMETER EQUAL AT 2 NEAR ZONE LENGTHS?

A

IT EQUALS THE TRANSDUCER DIAMETER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

WHAT DOES BEAM DIAMETER EQUAL AT DEEPER THAN 2 NEAR ZONE LENGTHS?

A

IT IS WIDER THAN TRANSDUCER DIAMETER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

WHAT DO LARGER TRANSDUCER DIAMETERS AND HIGH FREQUENCY SOUND PRODUCE?

A

A BEAM WITH LESS DIVERGENCE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

WHAT IS AXIAL RESOLUTION RELATED TO?

A

SPATIAL PULSE LENGTH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

WHY IS LATERAL RESOLUTION IMPROVED IN THE FAR FIELD?

A

BECAUSE HIGH FREQUENCY PULSES DIVERGE LESS IN THE FAR FIELD THAN LOW FREQUENCY PULSES.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

WHY IS LATERAL RESOLUTION IMPROVED IN THE FAR FIELD?

A

BECAUSE HIGH FREQUENCY PULSES DIVERGE LESS IN THE FAR FIELD THAN LOW FREQUENCY PULSES.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

WHAT DOES PHASED ARRAY MEAN?

A

ADJUSTABLE OR MULTIPLE FOCUSING

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

OF THE 3 MODES, M-MODE IS UNIQUE IN THAT IT DOES WHAT?

A

PROVIDING INFORMATION ABOUT A REFLECTOR’S CHANGING LOCATION WITH RESPECT TO TIME

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

WHAT HAPPENS TO IMAGE WHEN A SINGLE CRYSTAL TRANSDUCER BREAKS?

A

THE ENTIRE IMAGE IS LOST

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

WHAT HAPPENS TO THE IMAGE IN ANNULAR PHASED ARRAY IF AN ELEMENT MALFUNCTIONS?

A

A HORIZONTAL BAND OF DROPOUT OCCURS (INNERMOST RING DROPS OUT = MOST SUPERFICIAL REGION LOST, OUTER RING DROPS OUT = DEEPER REGION IS LOST)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

WHAT DOES MULTI-FOCUSING DO TO LATERAL RESOLUTION?

A

IT IMPROVES LATERAL RESOLUTION

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
WHAT DOES HIGHER LINE DENSITY DO TO SPATIAL RESOLUTION?
IT IMPROVES SPATIAL RESOLUTION
25
WHAT IS THE ALPHABETICAL ORDER OF RECEIVER FUNCTIONS?
``` AMPLIFICATION COMPENSATION COMPRESSION DEMODULATION REJECT ```
26
HOW CAN YOU DESCRIBE SPATIAL RESOLUTION?
IMAGE DETAIL
27
WITH WRITE MAGNIFICATION, HOW MAY TEMPORAL RESOLUTION BE IMPROVED?
IF THE BOTTOM OF THE REGION OF INTEREST IS SHALLOWER THAN THE ORIGINAL IMAGE'S DEPTH OF VIEW
28
WHERE DOES HARMONIC FREQUENCY SOUND ARISE?
NONLINEAR BEHAVIOR
29
WHAT IS ELECTRICAL RESISTANCE REPORTED IN?
UNITS OF OHMS
30
WHAT ARE THE RESISTANCE VESSELS CALLED IN THE CIRCULATORY SYSTEM?
ARTERIOLES
31
WHAT IS THE ULTRASOUND RANGE FOR DOPPLER?
20 HZ TO 20,000 HZ (IN THE RANGE OF AUDIBLE SOUND)
32
WHAT DOES X-AXIS REPRESENT ON DOPPLER?
TIME
33
WHAT DOES Y AXIS REPRESENT ON DOPPLER?
DOPPLER SHIFT / VELOCITY
34
WHY IS THE PROCESS OF CALCULATING VELOCITIES FROM MEASURED DOPPLER SHIFTS NOT OBVIOUS TO THE SONOGRAPHER?
THE CALCULATED VELOCITIES WILL BE IDENTICAL, REGARDLESS OF THE TRANSDUCER FREQUENCY
35
WHAT HAPPENS WITH ANGLES OTHER THAN 0 AND 180?
ONLY A PORTION OF THE TRUE VELOCITY IS MEASURED
36
WHICH VELOCITIES ARE HIGHER: ARTERIAL OR VENOUS?
ARTERIAL
37
WHAT CAN DEDICATED CONTINUOUS WAVE TRANSDUCERS DO?
WITH THEIR INCREASED SENSITIVITY THEY CAN DETECT LOW AMPLITUDE REFLECTIONS AND SMALL DOPPLER SHIFTS
38
HOW IS THE STEERING CHARACTERISTICS OF A PARTICULAR ELECTRICAL PATTERN IDENTIFIED?
BY DRAWING A LINE THAT CONNECTS THE ELECTRICAL SPIKES.
39
HOW IS THE SOUND BEAM DIRECTED WHEN THE SPIKE LINE IS HORIZONTAL?
DOWNWARD
40
HOW IS THE SOUND BEAM CONTROLLED WHEN THE SPIKE LINE HAS A SLOPE?
IT IS STEERED
41
HOW IS THE SOUND BEAM FEATURED IF THE SPIKE PATTERN IS STRAIGHT?
UNFOCUSED
42
HOW IS THE SOUND BEAM FEATURED IF THE SPIKE PATTERN IS CURVED?
FOCUSED
43
HOW DO YOU DETERMINE BEAM STEERING?
DRAW A LINE FROM THE FAR LEFT TO THE FAR RIGHT SPIKE, DIRECTION OF STEERING IS PERPENDICULAR TO THIS LINE
44
HOW DOES LATERAL RESOLUTION IMPROVE?
WITH MULTI-FOCUSING
45
HOW DOES SPATIAL RESOLUTION IMPROVE?
WITH HIGHER LINE DENSITY
46
CAN OUTPUT POWER ALONE MAKE AN IMAGE OF UNIFORM BRIGHTNESS FROM TOP TO BOTTOM?
NO
47
WHAT ARE THE 5 RECEIVER OPERATIONS?
AMPLIFICATION, COMPENSATION, COMPRESSION, DEMODULATION, REJECT
48
CAN AMPLIFICATION ALONE MAKE AN IMAGE OF UNIFORM BRIGHTNESS FROM TOP TO BOTTOM?
NO
49
WHAT IS SPATIAL RESOLUTION?
IMAGE DETAIL
50
WITH WRITE MAGNIFICATION, HOW MAY TEMPORAL RESOLUTION BE IMPROVED?
IF THE BOTTOM OF THE REGION OF INTEREST IS SHALLOWER THAN THE ORIGINAL IMAGE'S DEPTH OF VIEW
51
HOW DOES HARMONIC FREQUENCY ARISE?
FROM NONLINEAR BEHAVIOR
52
WHAT DOES ELIMINATING ALIASING DO?
IT IMPROVES THE ABILITY TO MEASURE THE MAXIMUM VELOCITY WITH DOPPLER
53
WHAT DOES COLOR DOPPLER MEASURE?
MEAN VELOCITY
54
WHAT DOES SPECTRAL DOPPLER (PW & CW) MEASURE?
PEAK VELOCITY
55
WHAT IS ON THE LEFT SIDE OF A VARIANCE MAP?
LAMINAR FLOW (RIGHT IS TURBULENT FLOW)
56
WHAT DO THE COLORS MEAN ON A VARIANCE MODE MAP?
THE COLORS CAN CHANGE SIDE TO SIDE AS WELL AS UP AND DOWN
57
WHAT DO REVERBERATIONS RESEMBLE?
VENETIAN BLIND
58
WHAT CAN SHADOWS PROVIDE?
VALUABLE INFORMATION TO HELP CHARACTERIZE TISSUE
59
IS SHADOWING RELATED TO THE SPEED OF SOUND IN A MEDIUM?
NO IT IS NOT, IT'S UNRELATED
60
WHAT IS THE OPPOSITE OF SHADOWING?
ENHANCEMENT ARTIFACT
61
IS ENHANCEMENT ARTIFACT RELATED TO THE SPEED OF SOUND IN A MEDIUM?
NO, IT IS UNRELATED.
62
WHAT DO LOBE ARTIFACTS DEGRADE?
LATERAL RESOLUTION
63
WHAT DOES AXIAL RESOLUTION ARTIFACT CREATE?
ONE REFLECTION ON THE IMAGE FROM 2 CLOSELY SPACED REFLECTORS
64
NAME THREE TYPES OF DOPPLER PHANTOMS
VIBRATING STRING MOVING BELT FLOW PHANTOM
65
WITH PERFORMANCE MEASUREMENTS, HOW IS SENSITIVITY ASSESSED BY THE SONOGRAPHER?
WHEN THEY ADJUST THE SYSTEM CONTROLS TO CHANGE ECHO BRIGHTNESS FROM BARELY VISIBLE TO FULL BRIGHTNESS (SATURATION)
66
WHAT IS THE ACCURACY OF REFLECTOR DEPTH POSITIONING IN A-MODE, B-MODE AND 2-D IMAGING CALLED?
DEPTH CALIBRATION
67
WHAT DOES AXIAL RESOLUTION USE FOR AN EVALUATION?
PINS THAT ARE PARALLEL TO THE SOUND BEAM
68
WHAT SHOULD ADJUSTMENTS TO THE OUTPUT POWER AND AMPLIFICATION OF THE SYSTEM ALTER?
THE APPEARANCE ON A SINGLE DISPLAY DEVICE AND ALL OUTPUT DEVICES
69
WHAT DOES ADJUSTMENTS ON A SINGLE DISPLAY DEVICE (SUCH AS BRIGHTNESS OR CONTRAST OF A MONITOR) ALTER?
THE IMAGE ON THAT PARTICULAR DEVICE ONLY

AN SPI VOCAB (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions