Ch. 11 (Display Modes)

Question 1

3 basic modes of display in ultrasound

Answer 1

amplitude mode
brightness mode
motion mode

Question 2

what is A-mode?

Answer 2

amplitude mode

Question 3

the x axis on A-mode represents

Answer 3

depth

Question 4

the y axis on A-mode represents

Answer 4

amplitude

Question 5

what is B mode

Answer 5

brightness mode

Question 6

x axis of B mode represents

Answer 6

depth

Question 7

z axis of b mode represents

Answer 7

amplitude

Question 8

M-mode stands for

Answer 8

motion mode

Question 9

x axis on M mode

Answer 9

time

Question 10

y axis on m mode

Answer 10

depth

Question 11

display mode that provides information regarding reflector motion with respect to time?

Answer 11

m mode

Question 12

which mode provides the foundation for real-time gray scale anatomic imaging?

Answer 12

b mode

Question 13

A mode is accurate in determining what

Answer 13

depth of reflectors

Question 14

the brightness of b mode indicates

Answer 14

the strength of the reflection

Question 15

white dots are ___ reflectors

black dots are ___ reflectors

Answer 15

white - strong

black - weak

Question 16

this mode was the first form of gray scale imaging, and is the basis for all other types of gray scale imaging, including real-time imaging

Answer 16

b mode

Question 17

m mode appears as a group of vertical/horizontal lines

Answer 17

horizontal

Question 18

Reflections in m mode move at a constant speed from left to right. What creates squiggly lines?

Answer 18

changing depth of the reflecting surfaces

Question 19

this mode of ultrasound arises from a single penetration line into the body

Answer 19

m mode

Question 20

the sampling rate of m mode is very high and is equal to the ___

Answer 20

PRF of the system

Question 21

motion mode has been used primarily to assess what

Answer 21

motion of cardiac walls and structures

Question 22

only mode that provides information about a reflector’s changing location with respect to time

Answer 22

m mode

Question 23

A mode is accurate in determining the ___ of reflectors

Answer 23

depth

Question 24

a B-mode image is made up of many lines placed…

Answer 24

next to each other

Question 25

labor intensive exam created by a transducer connected to a mechanical arm moved in increments
scan lines created a large image

Answer 25

static B-scan

Question 26

M-mode has a very high ___ resolution

Answer 26

temporal