Display Modes

Question 1

What does A-mode stand for in display modes?

Answer 1

Amplitude

A-mode displays a single line with a series of upward spikes to determine the depth of reflectors.

Question 2

How is B-mode represented visually?

Answer 2

A line of dots of varying brightness

B-mode, also known as B-Scan, is used to describe gray scale images.

Question 3

What does M-mode display?

Answer 3

A group of horizontal wavy lines that move up and down

M-mode indicates the motion of reflectors, showing if they are moving closer to or away from the transducer.

Question 4

Which display mode has the best temporal resolution?

Answer 4

M-mode

M-mode has a very high sampling rate, equal to the system’s PRF.

Question 5

In A-mode, what does the Y-axis represent?

Answer 5

Amplitude

In A-mode, the Y-axis indicates the amplitude of the reflected signal.

Question 6

In B-mode, what does the Z-axis represent?

Answer 6

Brightness/amplitude/strength of reflector

The Z-axis in B-mode indicates the strength of the reflected signal, contributing to the overall image brightness.

Question 7

Fill in the blank: The X-axis in M-mode represents _______.

Answer 7

Depth

In M-mode, the X-axis indicates the depth of the reflector.

Question 8

True or False: B-mode is primarily used for motion analysis.

Answer 8

False

B-mode is used for creating gray scale images, whereas M-mode is used for motion analysis.

Question 9

What is the primary use of A-mode in ultrasound?

Answer 9

Determining depth of reflector

A-mode is most accurate for measuring the depth of reflectors.

Question 10

What visual representation does M-mode provide for a stationary reflector?

Answer 10

A straight horizontal line

In M-mode, a stationary reflector is indicated by a straight horizontal line.