Questions and Answers
What was the device with which Roentgen discovered X- rays? - Answer- Crooks
tube
The phosphor that Roentgen used in early experiments with -rays was which of the
following? - Answer- Barium Platinocyanide
How are x-ray tube voltages measured? - Answer- Kilovolt
Which of the following early pioneers developed the fluoroscope ? - Answer-
Thomas Edison
Who first applied x-ray beam collimation and filtration in medical imaging? - Answer-
William Rollins
Which of the following is the type of x-ray tube that is used today? - Answer-
Coolidge tube
The Bucky grid, which was introduced in 1921, does what? - Answer- Improves
contrast resolution
Which of the following regarding radiation lethality is true? - Answer- Clarence
Dally was the first American to die because of radiation exposure.
Which of the following describes the Coolidge x-ray tube? - Answer- It has a
heated cathode
Roentgen originally identified x-rays as which of the following? - Answer- X-light
What are the two simple, general types of x-ray imaging procedures? - Answer-
Radiographic and fluoroscopic
Which of the following provides dynamic x-ray images? - Answer- Fluoroscopy
The film base for a radiograph made in 1920 would have been made of which of the
following ? - Answer- Cellulose nitrate
X-Ray beam collimation and filtration do which of the following - Answer- Reduce
patient dose