Exam #2

Question 1

List the primary components of the x-ray tube

Answer 1

Anode, Cathode, and Pyrex tube

Question 2

The anode is ____Charged

Answer 2

Postive

Question 3

The cathode is ____charged

Answer 3

Negative

Question 4

The filaments are located on the _____

Answer 4

Cathode

Question 5

The focusing cup surrounds the ____ and is ____charged

Answer 5

Filaments

negative

Question 6

The process of electrons “boiling off” is referred to as _____and happens at the _______part of the tube

Answer 6

Thermionic emission

cathode

Question 7

Electrons flow from the _____ to the ____ in the x-ray tube

Answer 7

Cathode

Anode

Question 8

The ability to add or remove an orbital electron is known as____

Answer 8

ionization

Question 9

The x-ray tube must have ____electrical current to produce x-rays

Answer 9

DC (direct current)

Question 10

The process of converting AC to DC is known as?

Answer 10

Rectification

Question 11

The power company delivers current to the x-ray generator and it is measured in ____. With the aid of step down transformer the current is changed into _____ for x-ray production.

Answer 11

Ampere

Mili-amps

Question 12

_____indicates the amount of electrons that are called to the ____to be boiled off

Answer 12

mA

cathode

Question 13

____indicates the amount of time the electrons have to boil

Answer 13

Time (s)

Question 14

By multiplying ___ and ___ indicates the amount of x-rays that will be produced.

Answer 14

mA

s

Question 15

_______indicates the amount of x-rays

Answer 15

mA x s

Question 16

The power company delivers electricity to the generator and it’s “power” is measured in ____. By process f using the step up transformer the power is changed to
___

Answer 16

volts

kVp

Question 17

_____indicated the power of x-rays

Answer 17

kVp (kilovolts)

Question 18

the most efficient type of generator is a ____

Answer 18

high frequency generator

Question 19

list the three primary components of a generator

Answer 19

High voltage transformer
filament transformer
rectifiers

Question 20

electromagnetic energy travels in waves called___

Answer 20

Sine waves

Question 21

A ______ wavelength with a ____frequency indicates a very powerful x-ray phton

Answer 21

short

high

Question 22

a ____wavelength with a ____ frequency indicates a very weak x-ray photon

Answer 22

long

low

Question 23

list three forms of energy

Answer 23

mechanical, chemical, and electrical

Question 24

on the electromagnetic spectrum list two items that have the ability to ionize

Answer 24

gamma rays

x-rays

Question 25

list the primary components of an atom.

Answer 25

electrons, protons, and neutrons

Question 26

Name the two types of non diagnostic x-rays that are produced in the tube

Answer 26

Brems and Characteristic

Question 27

by selecting the ____ button on the control panel determines how many electrons are called to the tube

Answer 27

mA

Question 28

by selecting the ____button on the control panel determines how fast the x-rays and electrons travel

Answer 28

kVp

Question 29

______ x-rays can be produced at any kVp level where as _____x-rays can only be produced using _____kVp and higher

Answer 29

Brems
characteristics
70 kVP

Question 30

_____ keeps those non diagnostic forms of x-rays from exiting the tube

Answer 30

filtration

Question 31

the NCRP states that all x-ray equipment must have ____ of Aluminum or equivalent

Answer 31

2.5mm

Question 32

mA=

Answer 32

amount of electron

Question 33

mAs=

Answer 33

amount of x-rays

Question 34

s=

Answer 34

exposure time

Question 35

amount of electrons x exposure time=

Answer 35

amount of x-rays

Question 36

The higher the mAs means….

Answer 36

the darker the x-ray will be

Question 37

The lower the mAs means….

Answer 37

The lighter the x-ray will be

Question 38

kVp=

Answer 38

POWER