Physical basis of Doppler ultrasound imaging - Medical Physics - MCQs

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Doppler shift applies to:

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The contact gel used in ultrasonography (echography) is for:

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In medical imaging, Doppler echography is most appropriate for:

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Which of the following waves do cannot propagate in vacuum?

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In what form is the information received with Doppler Echography displayed?

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Doppler frequency (shift) is:

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For which of the following numerical Doppler frequency shifts is the blood speed the highest?

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Is it possible to tell the direction of motion of erythrocytes from the sign of the Doppler shift Δf = f - f0?

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If shorter wavelengths of ultrasound are less penetrating in human tissue, then which of the following frequencies is most appropriate for DEEP tissue and organ imaging?

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Doppler shift is defined as:

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At what angle (Θ) to the surface of the body should the ultrasonic probe be applied in order to gain a maximum Doppler shift? Consider that Doppler shift is proportional to cos (Θ).

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The speed of ultrasound in human tissue depends on:

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The so called “reverse piezoelectric effect” finds application in:

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Ultrasound can propagate through:

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Phonophoresis is:

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Infrasound of certain frequency and intensity can:

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Infrasound CANNOT propagate through:

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Choose the correct statement:

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Choose the correct range:

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The resonant frequency of the vestibular system is in the range of:

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The direct piezoelectric effect is used for:

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Piezoelectric effect is defined as:

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Does human tissue exhibit piezoelectric properties?

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Which statement is correct?

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Mechanical waves with frequency above 20 kHz are called:

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Infrasound is:

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If Δf is the change in frequency between emitted and received ultrasound signals due to Doppler effect during measurement of the linear speed of blood, then:

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Which natural science studies infrasound?

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Mechanical waves used for destruction of kidney stones, in procedure called “lithotripsy”, cause minimal damage to surrounding tissues because:

Medical Physics Quiz sobre Physical basis of Doppler ultrasound imaging - Medical Physics - MCQs, criado por Hussain Basheer em 23-11-2018.

Physical basis of Doppler ultrasound imaging - Medical Physics - MCQs

Doppler shift applies to:

The contact gel used in ultrasonography (echography) is for:

In medical imaging, Doppler echography is most appropriate for:

Which of the following waves do cannot propagate in vacuum?

In what form is the information received with Doppler Echography displayed?

Doppler frequency (shift) is:

For which of the following numerical Doppler frequency shifts is the blood speed the highest?

Is it possible to tell the direction of motion of erythrocytes from the sign of the Doppler shift Δf = f - f0?

If shorter wavelengths of ultrasound are less penetrating in human tissue, then which of the following frequencies is most appropriate for DEEP tissue and organ imaging?

Doppler shift is defined as:

At what angle (Θ) to the surface of the body should the ultrasonic probe be applied in order to gain a maximum Doppler shift? Consider that Doppler shift is proportional to cos (Θ).

The speed of ultrasound in human tissue depends on:

The so called “reverse piezoelectric effect” finds application in:

Ultrasound can propagate through:

Phonophoresis is:

Infrasound of certain frequency and intensity can:

Infrasound CANNOT propagate through:

Choose the correct statement:

Choose the correct range:

The resonant frequency of the vestibular system is in the range of: