Doppler shift - Study guides, Class notes & Summaries
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NRNP 6550 Final Exam Questions and Answers Latest Updated 2023/2024 (100% Graded)
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NRNP 6550 Final Exam Questions and Answers Latest Updated 2023/2024 (100% Graded). Urine culture with UTI Correct answer- 100.000 colonies in asymptomatic: bacteruria 
10 - 10.000 colonies in symptomatic patients but also pyuria 
pyuria: more than 10 leukocytes 
elevated erythrocytes with pyelonephritis 
WBC in urine 
false positive with tumor, urethritis and poor collection technique 
Repeat in pregnant women 
Lower urinary tract UTI and upper urinary tract UTI Correct answer- bladder and 
uret...
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Physics Doppler Effect Exam Questions and Answers 100% Solved
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Physics Doppler Effect Exam Questions 
and Answers 100% Solved 
What is the doppler effect? - answera change in frequency caused by the motion of a sound 
source 
In a positive doppler shift the received frequency is [lower, higher] than the transmitted 
frequency - answerhigher 
In a negative doppler shift the received frequency is [lower, higher] than the transmitted 
frequency - answerlower 
the amount of increase or decrease in doppler frequency depends on what 3 things? - 
answer1. speed 
2...
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Physics - Doppler Instrumentation and Hemodynamics Exam
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Physics - Doppler Instrumentation and 
Hemodynamics Exam 
C. Gain 
What Doppler control should be adjusted to optimize this Doppler spectral waveform? 
A. Wall filter 
B. Packet size 
C. Gain 
D. Pulse repetition frequency 
E. Baseline 
C. Frequency shift is increased 
Which of the following best describes the Doppler frequency shift when you encounter 
high velocities within a vessel? 
A. Amplitude is increased 
B. Power is increased 
C. Frequency shift is increased 
D. Bandwidth is decreased 
...
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URR SPI Exam 1, Questions and Answers Scored A+
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URR SPI Exam 1, Questions and Answers Scored A+ 
The Doppler shift is 5000Hz. The pulse repetition frequency is 9000Hz. 
Which of the following is true? 
 
A: The peak velocity is equal to 2 m/s 
B: Aliasing will occur 
C: Range ambiguity will occur 
D: The peak pressure gradient is 36 mmHg 
B: Aliasing will occur 
 
 
 
The acoustic impedance of the matching layer: 
 
A: must be much thinner than the transducer element 
B: usually the same material as the damping layer 
C: is usually very low 
...
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URR mock exam 1 SPI Questions And Answers Rated A+
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The doppler shift is 5000 Hz. The pulse repetition frequency is 9000 Hz. Which of the 
following is true? 
A. peak pressure gradient is 36mmHg 
B. range ambiguity will occur 
C. aliasing will occur 
D. the peak velocity is equal to 2 m/s - ️️C. aliasing will occur 
When evaluating a suspected arterial stenosis, a doppler angel of ____ degrees will 
produce the most accurate flow velocity. 
A. 0 
B. 30 
C. 60 
D. 90 - ️️A. 0 
Spatial resolution is: 
A. the minimum reflector separation req...
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ESP Comprehensive Exam Questions and Answers (Graded A)
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ESP Comprehensive Exam Questions and Answers (Graded A)ESP Comprehensive Exam Questions and Answers (Graded A)ESP Comprehensive Exam Questions and Answers (Graded A) 
 
What is the most typical Doppler shift measured clinically? 
A. 3.5 MHz 
B. 3,500,000 Hz 
C. 2 kHz 
D. 1,000 kHz 
E. 20,000 Hz - ANSWER-C. 2 kHz 
 
True or False: Doppler shifts always occur if the source and receiver are in motion relative to each other. - ANSWER-False 
 
True or False Doppler shifts always occur if the source a...
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Physics Doppler Effect UPDATED Questions And CORRECT Answers
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What is the doppler effect? a change in frequency caused by the motion of a sound 
source 
In a positive doppler shift the received frequency is [lower, higher] than the transmitted 
frequency higher 
In a negative doppler shift the received frequency is [lower, higher] than the transmitted 
frequency lower 
the amount of increase or decrease in doppler frequency depends on what 3 things? 1. 
speed 
2. angle 
3. frequency of the wave emitted
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RVT URR Practice Test 1: QA, Safety, and SPI (14%) All Possible Questions and Answers with complete solution
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Which setting should be lowered to the minimum level when beginning to evaluate the patient using the 
orbital window? 
a.) Output power 
b.) Doppler gain 
c.) Wall filter 
d.) Velocity scale - a.) Output power 
If the Doppler cursor angle is underestimated, the velocity of the flow will be _____________________ 
a.) Overestimated 
b.) Underestimated 
c.) Be unaffected 
d.) Dependent solely on the strength of the frequency shift - b.) Underestimated 
What is the Framingham risk score? - A gender...
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Core Sonography Canada Exam Questions & Answers(graded A+)
- Exam (elaborations) • 14 pages • 2023
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Core Sonography Canada Exam QuWhat is the Doppler Shift Formula? -ANSWER fd = f echo - f transmit 
 
*What is the formula for resistance? 
 
*What are the units of Resistance -ANSWER Units: Pa*s/m^3 or Pa*s/cm^3 
 
Alternate formula = 128nL/πD^4 
 
What is attenuation proportional to? -ANSWER Frequency 
 
Wavelength equals -ANSWER c/f 
 
1cc= -ANSWER 1 cm3 = 1mL = 10 -3 L 
 
What is the formula for Frame Rate? -ANSWER 
 
What is the formula for Pulse Period? -ANSWER 
 
What is the Formula for...
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Physics Doppler Effect Exam Questions and Answers 100% Solved
- Exam (elaborations) • 13 pages • 2024
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Physics Doppler Effect Exam Questions 
and Answers 100% Solved 
What is the doppler effect? - answera change in frequency caused by the motion of a sound 
source 
In a positive doppler shift the received frequency is [lower, higher] than the transmitted 
frequency - answerhigher 
In a negative doppler shift the received frequency is [lower, higher] than the transmitted 
frequency - answerlower 
the amount of increase or decrease in doppler frequency depends on what 3 things? - 
answer1. speed 
2...
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