CHAPTER 1

Question 1

The fundamental building blocks of matter are __&__

Answer 1

atoms and molecules

Question 2

The quantity of matter describe by its energy equivalence

Answer 2

Mass (E=mc^2)

Question 3

International System energy measured in __
In radiology its___

Answer 3

Joules, eV

Question 4

Type of energy use in xray imaging.

Answer 4

Electromagnetic energy

Question 5

Einstein mass energy equivalence E=mc^2 . E is energy, m-ass, c is __

Answer 5

velocity (speed)

Question 6

Special type of radiation includes xray . capable of Removal of electron to atom

Answer 6

Ionizing Radiation . (ionization)

Question 7

Orbital electron and atom on which it was separated.

Answer 7

ion pair

Question 8

Particle type of ionizing Radiation are

Answer 8

alpha and beta

Question 9

Natural environmental radiation annual dose

Answer 9

3 mSv

Question 10

Man made radiation is

Answer 10

3.2mSv

Question 11

unit of effective Dose

Answer 11

mSv

Question 12

: deposits of uranium,thorium & other radionuclides

Answer 12

Terrestrial Radiation

Question 13

annual environmental radiation annual dose

Answer 13

300 mrem/yr

Question 14

man made radiation annual dose

Answer 14

600 mrem/year

Question 16

There are three general types of x-ray examinations:

Answer 16

radiography, fluoroscopy, and CT

Question 17

X-ray voltages are measured in
One kilovolt (kV) is equal to 1000 V of electric potential.

Answer 17

kilovolt peak (kVp).

Question 18

X-ray currents are measured in

Answer 18

milliampere (mA

Question 19

One development that helped
reduce this exposure time was the use of a fluorescent
____ in conjunction with the glass photographic plates

Answer 19

intensifying screen

Question 20

Substitute for glass plate

Answer 20

Cellulose nitrate

Question 21

Substitute for glass plate

Answer 21

Cellulose nitrate

Question 22

these devices reduce
the hazard associated with x-rays

Answer 22

Collimation and filtration

Question 23

these devices reduce
the hazard associated with x-rays

Answer 23

Collimation and filtration

Question 24

(1896) He demonstrated the use of radiographicintensifying screen

Answer 24

Michael Pupin

Question 25

(1904) he demonstrate the use of double emulsion

Answer 25

Charles Pupin

Question 26

(1898) He developed fluoroscopy . Original Material is Barium Platinocyanide... Recent is ___

Answer 26

Thomas Edison : Most Recent:Zinc cadmium sulfide &calcium tungstate

Question 27

he demonstrated the 1st of Collimation and filtration

Answer 27

Clarence Dally

Question 28

He introduce interupterless transformer

Answer 28

H.C Snook: HC Transformer

Question 29

(1913) He introduce collidge x.tube

Answer 29

William D Collidge

Question 30

Radiology emerged as medical specialty because of

Answer 30

snook transformer and Coolidge x-ray tube

Question 31

(1913) invented stationary grid "glitterblende"

Answer 31

Gustav Bucky

Question 32

invented moving grid (1915)

Answer 32

Hollis Plotter

Question 33

year potter bucky grid was invented

Answer 33

1921