Ultrasound
87 Questions
| Attempts: 176
For the ultrasound PTA 102 quiz on 2/9/10. Use your first name to sign in, you dont need to use mine
Questions and Answers
- 1.
An effect of ultrasound is that it can be absorbed by human tissue and it produces heat on continuous
- A.
True
- B.
False
Correct Answer
A. True -
- 2.
Frequency of waves is due to the physical size of the sound head
- A.
True
- B.
False
Correct Answer
B. False -
- 3.
An effect of ultrasound is that it can be absorbed by human tissue and it produces heat on continuous
- A.
True
- B.
False
Correct Answer
A. True -
- 4.
Ultrasound gives temperature rise in tissue with high protein content (muscle and nerve)
- A.
True
- B.
False
Correct Answer
A. True -
- 5.
Ultrasound gives temperature rise in tissue with high protein content (muscle and nerve)
- A.
True
- B.
False
Correct Answer
A. True -
- 6.
Ultrasound can be used on adipose tissue do to its high protein content
- A.
True
- B.
False
Correct Answer
B. False -
- 7.
Ultrasound can be used on adipose tissue do to its high protein content
- A.
True
- B.
False
Correct Answer
B. False -
- 8.
Ultrasound cannot break up metabolic waste
- A.
True
- B.
False
Correct Answer
B. False -
- 9.
Ultrasound cannot break up metabolic waste
- A.
True
- B.
False
Correct Answer
B. False -
- 10.
Ultrasound waves can only be continuous or pulsed
- A.
True
- B.
False
Correct Answer
A. True -
- 11.
Ultrasound waves can only be continuous or pulsed
- A.
True
- B.
False
Correct Answer
A. True -
- 12.
A nonthermal effect (pulsed), the seperation of collagen fibers result in decreased extensibility of connective tissue. examples are tendons, scars, adhesions, joint capsule
- A.
True
- B.
False
Correct Answer
B. False -
- 13.
A nonthermal effect (pulsed), the seperation of collagen fibers result in decreased extensibility of connective tissue. examples are tendons, scars, adhesions, joint capsule
- A.
True
- B.
False
Correct Answer
B. False -
- 14.
Increased membrane permeability allows increased calcium absorption
- A.
True
- B.
False
Correct Answer
A. True -
- 15.
Increased membrane permeability allows increased calcium absorption
- A.
True
- B.
False
Correct Answer
A. True -
- 16.
Nonthermal effects decrease protein synthesis of fibroblast
- A.
True
- B.
False
Correct Answer
B. False -
- 17.
Lower dosages are more ideal more acute conditions
- A.
True
- B.
False
Correct Answer
A. True -
- 18.
Nonthermal effects decrease protein synthesis of fibroblast
- A.
True
- B.
False
Correct Answer
B. False -
- 19.
Use a stronger dose for more chronic conditions
- A.
True
- B.
False
Correct Answer
A. True -
- 20.
Lower dosages are more ideal more acute conditions
- A.
True
- B.
False
Correct Answer
A. True -
- 21.
Use a stronger dose for more chronic conditions
- A.
True
- B.
False
Correct Answer
A. True -
- 22.
Chronic conditionheavy tissue= 1.0- 1.5 w/cm2thin tissue= .5-1.0 w/cm2
- A.
True
- B.
False
Correct Answer
B. False -
- 23.
Chronic conditionheavy tissue= 1.0- 1.5 w/cm2thin tissue= .5-1.0 w/cm2
- A.
True
- B.
False
Correct Answer
B. False -
- 24.
Acute conditionthick tissue= 1.5-2.0 w/cm2thin tissue= .5- 1.0 w/cm2
- A.
True
- B.
False
Correct Answer
B. False -
- 25.
Acute conditionthick tissue= 1.5-2.0 w/cm2thin tissue= .5- 1.0 w/cm2
- A.
True
- B.
False
Correct Answer
B. False -
- 26.
Treatment time 5 minutes per 25 square inches (161 cm2)
- A.
True
- B.
False
Correct Answer
A. True -
- 27.
Treatment time 5 minutes per 25 square inches (161 cm2)
- A.
True
- B.
False
Correct Answer
A. True -
- 28.
It is ok to use hydocortisone when using continuous mode
- A.
True
- B.
False
Correct Answer
B. False -
- 29.
It is ok to use hydocortisone when using continuous mode
- A.
True
- B.
False
Correct Answer
B. False -
- 30.
Ultrasound has the potential to penetrate 5cm
- A.
True
- B.
False
Correct Answer
A. True -
- 31.
Ultrasound has the potential to penetrate 5cm
- A.
True
- B.
False
Correct Answer
A. True -
- 32.
It is never ok to ultrasound a woman that is pregnant, regardless of where it is on her body
- A.
True
- B.
False
Correct Answer
B. False -
- 33.
It is never ok to ultrasound a woman that is pregnant, regardless of where it is on her body
- A.
True
- B.
False
Correct Answer
B. False -
- 34.
The term frequency is defines as the number of oscillations per unit of time and expressed in cycles per second (Hz)
- A.
True
- B.
False
Correct Answer
A. True -
- 35.
The term frequency is defines as the number of oscillations per unit of time and expressed in cycles per second (Hz)
- A.
True
- B.
False
Correct Answer
A. True -
- 36.
Intensity is defined as the amount of energy absorped by the tissue
- A.
True
- B.
False
Correct Answer
B. False -
- 37.
The fraction of time when the ultrasound is present during one pulsed period
- A.
Acoustic streaming
- B.
Duty cycle
- C.
Cavitation
- D.
Standing wave
Correct Answer
B. Duty cycle -
- 38.
Intensity is defined as the amount of energy absorped by the tissue
- A.
True
- B.
False
Correct Answer
B. False -
- 39.
The fraction of time when the ultrasound is present during one pulsed period
- A.
Acoustic streaming
- B.
Duty cycle
- C.
Cavitation
- D.
Standing wave
Correct Answer
B. Duty cycle -
- 40.
The steady circular flow of cellular fluids induced by ultrasound. this is thought to cause changes in cellular activity to stimulate tissue repair
- A.
Continuous mode
- B.
Pulsed mode
- C.
Acoustic streaming
- D.
Standing wave
Correct Answer
C. Acoustic streaming -
- 41.
The steady circular flow of cellular fluids induced by ultrasound. this is thought to cause changes in cellular activity to stimulate tissue repair
- A.
Continuous mode
- B.
Pulsed mode
- C.
Acoustic streaming
- D.
Standing wave
Correct Answer
C. Acoustic streaming -
- 42.
The incident wave at the tissue interface may interfere with reflected waves creating this. Avoided by continually moving the applicator
- A.
Cavitation
- B.
Acoustic streaming
- C.
Intensity
- D.
Standing wave
Correct Answer
D. Standing wave -
- 43.
The incident wave at the tissue interface may interfere with reflected waves creating this. Avoided by continually moving the applicator
- A.
Cavitation
- B.
Acoustic streaming
- C.
Intensity
- D.
Standing wave
Correct Answer
D. Standing wave -
- 44.
The production through ultrasound of gas or vapor filled bubbles in tissue fluids. can be stable or transient
- A.
Cavitation
- B.
Absorption
- C.
Attenuation
- D.
Intensity
Correct Answer
A. Cavitation -
- 45.
The production through ultrasound of gas or vapor filled bubbles in tissue fluids. can be stable or transient
- A.
Cavitation
- B.
Absorption
- C.
Attenuation
- D.
Intensity
Correct Answer
A. Cavitation -
- 46.
Ultrasound beam has short interruptions, therefore preventing thermal buildup
- A.
Continuous mode
- B.
Cavitation
- C.
Intensity
- D.
Pulsed mode
Correct Answer
D. Pulsed mode -
- 47.
Ultrasound beam has short interruptions, therefore preventing thermal buildup
- A.
Continuous mode
- B.
Cavitation
- C.
Intensity
- D.
Pulsed mode
Correct Answer
D. Pulsed mode -
- 48.
Ultrasound beam is emitted without interruption, elevates tissue temperature
- A.
Pulsed mode
- B.
Continuous mode
- C.
Frequency
- D.
Absorption
Correct Answer
B. Continuous mode -
- 49.
Ultrasound beam is emitted without interruption, elevates tissue temperature
- A.
Pulsed mode
- B.
Continuous mode
- C.
Frequency
- D.
Absorption
Correct Answer
B. Continuous mode -
- 50.
The amount of energy into the tissue, increases as the frequency increases as well as the presence of protein.
- A.
Standing wave
- B.
Attenuation
- C.
Absorption
- D.
Duty cycle
Correct Answer
C. Absorption -
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Current Version
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Jul 30, 2011Quiz Edited by
ProProfs Editorial Team -
Feb 05, 2010Quiz Created by
Melissa_mccrory
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