QUIZ

1. Which of the following generates harmonics?

a.) Transducer
b.) Tissue
c.) Bone
d.) Beamformer

You said:
b). Tissue

Correct!

Refer to Generation 101 for further study.

See: Harmonic Generation

2. In conventional processing, which of the following best describes the relationship between the transmit frequency (TF) and the received frequency (RF) processed by the system?

a.) The TF is twice the RF
b.) The RF is one-half the TF
c.) The RF is twice the TF
d.) The frequencies are the same

You said:
a). The TF is twice the RF

Incorrect!

Refer to Processing 103 for further study.

See: Harmonic Processing

3. Which of the following artifacts is reduced using Tissue Harmonic Imaging?

a.) Reverberation
b.) Shadowing
c.) Aliasing
d.) Comet tail

You said:
a). Reverberation

Correct!

Refer to Benefits 101 for further study.

See: Clinical Benefits

4. Which portion of the wave compresses the tissue that results in harmonics?

a.) Above the baseline
b.) Above and below the baseline
c.) Below the baseline
d.) All portions of the wave compress tissue

You said:
b). Above and below the baseline

Incorrect!

Refer to Processing 101 for further study.

See: Harmonic Generation

5. Which section or area of the acoustic field contains the most harmonic energy?

a.) Near
b.) Near and center
c.) Far
d.) Far and center

You said:
d). Far and center

Correct!

Refer to Processing 101 for further study.

See: Harmonic Processing

6. What impact does Tissue Harmonic Imaging have on the bandwidth required for processing, compared to conventional imaging?

a.) Wider bandwidth
b.) Narrower bandwidth
c.) Same bandwidth
d.) None of the above

You said:
b). Narrower bandwidth

Incorrect!

Refer to Harmonic Generation 103 for further study.

See: Harmonic Generation

7. Which one of the following exams is best suited to Tissue Harmonic Imaging?

a.) Thyroid
b.) Carpal tunnel
c.) Renal
d.) Carotid

You said:
c). Renal

Correct!

Refer to Benefits 101 for further study.

See: Clinical Benefits

8. High pressure waves travel ____________ compared to low pressure waves.

a.) Slower
b.) Backwards
c.) Faster
d.) Half the distance

You said:
c). Faster

Correct!

Refer to Generation 101 for further study.

See: Harmonic Generation

9. More harmonic energy is produced as the wave

a.) Slows down
b.) Travels through fluid
c.) Becomes more distorted
d.) Encounters lower density tissue

You said:
c). Becomes more distorted

Correct!

Refer to Generation 101 for further study.

See: Harmonic Generation

10. Conventional processing omits the harmonic signals because the receive filter is accepting frequencies that are ____________ the harmonic frequencies

a.) Twice
b.) One-fourth
c.) One-half
d.) The same as

You said:
c). One-half

Correct!

Refer to Processing 103 for further study.

See: Harmonic Processing

11. In harmonic imaging, which of the following best describes the relationship between the transmit frequency (TF) and the received frequency (RF) processed by the system?

a.) The TF is twice the RF
b.) The RF is one-half the TF
c.) The RF is twice the TF
d.) The frequencies are the same

You said:
c). The RF is twice the TF

Correct!

Refer to Generation 103 for further study.

See: Harmonic Generation

12. Which one of the following does not apply to Tissue Harmonic Imaging?

a.) Reduces near field noise
b.) Improves border delineation
c.) Improves penetration
d.) Improves contrast resolution

You said:
c). Improves penetration

Correct!

Refer to Benefits 103 for further study.

See: Clinical Benefits