Probes

Question 1

Disadvantage of Sector (convex) probe

Answer 1

Need stand off material to view superficial structures

Question 2

Advantages of a Matrix probe

Answer 2

Visualizes multiple plains simultaneously and can be converted to 3D

Question 3

What changes depth and penetration

Answer 3

Frequency

Question 4

What are the four main settings on an ultrasound machine

Answer 4

1. Depth
2. Power
3. Gain
4. Time gain compensation

Question 5

What is depth on an ultrasound machine settings

Answer 5

A centimeter scale

Question 6

What is the power setting

Answer 6

Output intensity

Question 7

If the power (output intensity) is too high… What will you get

Answer 7

Excess echos (white blur)

Question 8

If your power (output intensity) is too low… What will you get

Answer 8

Insufficient echos

Question 9

Ideal power (output intensity)

Answer 9

Lowest level that gives a good image

Question 10

What is the gain setting

Answer 10

Receiving sensitivity
“turn up the volume”