Question 1

Which ultrasound adjustment allows for an increased frame rate in color flow Doppler?

Options :

A : Using continuous wave Doppler

B : Decreasing depth

C : Using multiple focal zones

D : Increasing sector scan width

Answer: B

Question 2

Which control should a sonographer use to change contrast resolution?

Options :

A : Reject

B : Output power

C : Gain

D : Dynamic range

Answer: D

Question 3

What is the primary interaction that occurs when sound waves encounter a smooth, flat surface?

Options :

A : Attenuation

B : Reflection

C : Diffraction

D : Interference

Answer: B

Question 4

During 3-D volume acquisition, the quality of the images is most dependent upon which factor?

Options :

A : Number of slices acquired

B : Power output

C : Rendering method utilized

D : Speed of post-processing image compression

Answer: A

Question 5

Which change can be made in order to avoid exceeding the Nyquist limit?

Options :

A : Increase output power

B : Decrease output power

C : Increase pulse repetition frequency

D : Decrease pulse repetition frequency

Answer: C

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