age 1 of 21
Understanding Ultrasound Physics and Instrumentation
TEST STUDY GUIDE 2025/2026 ACCURATE QUESTIONS
AND VERIFIED CORRECT SOLUTIONS WITH
RATIONALES || 100% GUARANTEED PASS <RECENT
VERSION>
What is the display ......ANSWER........A television tube, glass
vaccum tube shaped like a funnel
What is in the narrow end of the display? ......ANSWER........A
gun that shoots electrons which contain video info
The interior surface of the screen is coated with?
......ANSWER........phosphorus
How many horizontal lines is a television image made of?
......ANSWER........525 ; not in sequential
,age 2 of 21
Odd numbered lines are called the ......ANSWER........Odd field
Which is completed first odd or even? ......ANSWER........Odd
What are even numbered lines called? ......ANSWER........Even
field
What is a frame? ......ANSWER........One odd field, one even
field
What is the frame rate of a television display?
......ANSWER........30 HZ
What form of display do televisions use?
......ANSWER........Interlaced
When can humans detect flicker? ......ANSWER........Non
interlaced with frame rate of 30 HZ, but not 60HZ interlaced
, age 3 of 21
What does bistable mean ......ANSWER........2 shades, black or
white
What is greyscale? ......ANSWER........All the different types of
grey, white, light grey, black etc etc)
Display controls? - 2 ......ANSWER........Contrast and brightness
What does contrast determine ......ANSWER........The range of
brilliancies
In bistable images what's the contrast? ......ANSWER........High
What does brightness determine ......ANSWER........The brilliance
of the image
How was greyscale imaging initially made possible?
......ANSWER........With analog scan converters
Understanding Ultrasound Physics and Instrumentation
TEST STUDY GUIDE 2025/2026 ACCURATE QUESTIONS
AND VERIFIED CORRECT SOLUTIONS WITH
RATIONALES || 100% GUARANTEED PASS <RECENT
VERSION>
What is the display ......ANSWER........A television tube, glass
vaccum tube shaped like a funnel
What is in the narrow end of the display? ......ANSWER........A
gun that shoots electrons which contain video info
The interior surface of the screen is coated with?
......ANSWER........phosphorus
How many horizontal lines is a television image made of?
......ANSWER........525 ; not in sequential
,age 2 of 21
Odd numbered lines are called the ......ANSWER........Odd field
Which is completed first odd or even? ......ANSWER........Odd
What are even numbered lines called? ......ANSWER........Even
field
What is a frame? ......ANSWER........One odd field, one even
field
What is the frame rate of a television display?
......ANSWER........30 HZ
What form of display do televisions use?
......ANSWER........Interlaced
When can humans detect flicker? ......ANSWER........Non
interlaced with frame rate of 30 HZ, but not 60HZ interlaced
, age 3 of 21
What does bistable mean ......ANSWER........2 shades, black or
white
What is greyscale? ......ANSWER........All the different types of
grey, white, light grey, black etc etc)
Display controls? - 2 ......ANSWER........Contrast and brightness
What does contrast determine ......ANSWER........The range of
brilliancies
In bistable images what's the contrast? ......ANSWER........High
What does brightness determine ......ANSWER........The brilliance
of the image
How was greyscale imaging initially made possible?
......ANSWER........With analog scan converters
