Free Sonography Principles & Instrumentation Questions and Answers

Question 1

Which phantom from the list below does sonographic quality assurance?

Accepted Answer

Tissue equivalent phantom

Answer

Constancy test phantom

Answer

Sensitometry wedge phantom

Answer

Axis alignment phantom

Question 2

The speed of sound for tissue comparable phantoms should be equal to:

Accepted Answer

1,540 m/s

Answer

4.28 mm/us

Answer

1.84 mm/us

Answer

1,960 m/s

Question 3

Which of the following is an ergonomic device built into sonographic equipment for the sonographer's musculoskeletal safety?

Accepted Answer

Monitor articulation

Answer

Wrist support brace

Answer

Long transducer cable

Answer

Fixed control panel

Question 4

A pulsed sound wave is best described by the following acoustic parameter:

Accepted Answer

Duty factor

Answer

Period

Answer

Propagation speed

Answer

Frequency

Question 5

The maximum sound speed is found in:

Accepted Answer

Bone

Answer

Liver

Answer

Blood

Answer

Fat

Question 6

Which of the subsequent PRF values has the longest PRP?

Accepted Answer

7 Hz

Answer

1,000 Hz

Answer

12 kHz

Answer

3 kHz

Question 7

As frame rate goes up, _________ resolution goes up.

Accepted Answer

Temporal

Answer

Spatial

Answer

Elevational

Answer

Lateral