Dawn Hubbard
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describing pulsed waves

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Dawn Hubbard
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Ch. 4 Review ~ Describing Pulsed Waves

Question 1 of 15

1

Which of these four values for pulse repetition frequency would have the longest pulse repetition period?

Select one of the following:

  • 2 kHz

  • 4000 Hz

  • 6 Hz

  • 1 kHz

Explanation

Question 2 of 15

1

Which of the following four waves has the highest pulse repetition frequency?

Select one of the following:

  • 8 s

  • 80 ms

  • 5 ms

  • 400 ks

Explanation

Question 3 of 15

1

Which of these four pulses with PRFs listed below has the shortest pulse repetition period?

Select one of the following:

  • 12 kHz

  • 6000 Hz

  • 20 kHz

  • 1 kHz

Explanation

Question 4 of 15

1

Which of the following four waves has the lowest pulse repetition frequency?

Select one of the following:

  • 8 s

  • 80 microseconds

  • 8000 ns

  • 800 ms

Explanation

Question 5 of 15

1

Two waves can have identical pulse repetition frequencies, even if their pulse repetition periods are different.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 15

1

Two waves can have identical PRFs, even if their periods are different.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 15

1

Two waves can have identical PRFs, even if their frequencies are different.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 15

1

PRF and pulse repetition period are determined only by the imaging depth.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 15

1

If all other factors remain unchanged, what happens to the duty factor when the PRF increases?

Select one of the following:

  • increases

  • decreases

  • remains the same

Explanation

Question 10 of 15

1

If all other factors remain unchanged, what happens to the duty factor when the imaging depth increases?

Select one of the following:

  • increases

  • decreases

  • remains the same

Explanation

Question 11 of 15

1

If all other factors remain unchanged, what happens to the duty factor when the PRP increases?

Select one of the following:

  • increases

  • decreases

  • remains the same

Explanation

Question 12 of 15

1

If all other factors remain unchanged, what happens to the duty factor when the sonographer uses a new transducer with a longer pulse duration?

Select one of the following:

  • increases

  • decreases

  • remains the same

Explanation

Question 13 of 15

1

What is the DF if the pulse duration is 1 microsecond and the PRP is 1 ms?

Select one of the following:

  • 100%

  • 0.1

  • 0.01

  • 0.001

Explanation

Question 14 of 15

1

Which of the following terms does not belong with the others?

Select one of the following:

  • high duty factor

  • shallow imaging

  • low PRF

  • short PRP

Explanation

Question 15 of 15

1

Which of the following terms does not belong with the others?

Select one of the following:

  • low duty factor

  • shallow imaging

  • low PRF

  • long PRP

Explanation

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