Term
| The audible range of sound is: |
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Definition
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Term
| Transducer frequency is directly oportional to : |
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Definition
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Term
| The term used to describe the number of cycles that occur in a one-second time period is: |
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Definition
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Term
| _____ is not considered as an acoustic variable. |
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Definition
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Term
| What two characteristics of a medium determine it's propagation speed? |
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Definition
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Term
| If the density of a medium increases. the speed of sound will : |
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Definition
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Term
| If the intensity of a signal is doubled, what is the affect on amplitude: |
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Definition
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Term
| The rate at which work is done is referred to as: |
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Definition
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Term
| _____ is the rate of work. |
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Definition
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Term
| The % of time the sound is on is referred to as : |
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Definition
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Term
| A 6dB gain would indicate an increase in intensity of _____ times. |
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Definition
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Term
| The log of 10,000 is equal to : |
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Definition
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Term
| Intensity depends upon both: |
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Definition
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Term
| If the initial is 40 and there is a 3db gain the final intensity is : |
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Definition
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Term
| The speed of sound in tissue is: |
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Definition
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Term
| Wavelength is determined by what factors: |
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Definition
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Term
| If the stiffness of a medium increases, the propagation speed will : |
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Definition
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Term
| Propagation speed is higher through: |
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Definition
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Term
| A complete cycle consists of one compression and one rarefraction. The area of low pressure and density is referred to as : |
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Definition
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Term
Frequency = Hz
Wavelengths = mm
Intensity = mW/cm²
Propagation Speed = mm/μsec |
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Definition
Mega = Micro
Kilo = Milli
Hecto = Centi
Deca = Deci
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Term
| At one (1) half intensity depth: |
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Definition
| the initial intensity was halved |
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Term
| As an ultrasound wave travels through the body, its intensity usually: |
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Definition
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Term
| The greatest intensitiy for a pulsed beam of sound? |
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Definition
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