X-RAY GENERATING APPARATUS

Question 1

Give 3 conditions that must exist fir x-rays to be produced:

Answer 1

1. Source of electrons
2. High voltage to impart speed to the electrons
3. A target that can stop the electrons
   X-RAY GENERATING APPARA

Question 2

What are the x-ray generating apparatus:

Answer 2

1. Electricity
2. Electrical current
3. Electrical circuit

Question 3

It is an energy used to make x-rays.

Answer 3

ELECTRICITY

Question 4

It is a form of energy associated with the flow of elections.

Answer 4

ELECTRICITY

Question 5

Associated with the presence and flow of electric charge or electrons around a circuit.

Answer 5

ELECTRICITY

Question 6

The measurement of electrical force needed to move electrons from a negative side (cathode) to a positive side (anode) electrode.

Answer 6

VOLTAGE

Question 7

Negative side is?

Answer 7

Cathode

Question 8

Positive side is?

Answer 8

Anode

Question 9

It is measured in volts (V) or kilovolts (kV)

Answer 9

VOLTAGE

Question 10

How much volts for dental radiography?

Answer 10

60 to 90kV or 60,000 to 90,000
volts

Question 11

Give me 2 Electrical Current

Answer 11

• Direct Current
• Alternating Current

Question 12

Flow of electrical energy (electrons) through a circuit

Answer 12

ELECTRICAL CURRENT

Question 13

Measured in amperes

Answer 13

ELECTRICAL CURRENT

Question 14

When the electrons flow in one direction through the conductor (e.g., batteries)

Answer 14

DIRECT CURRENT

Question 15

The current is a steady constant electrical charge.

Answer 15

DIRECT CURRENT

Question 16

In which the electrons flow in two, opposite directions.

Answer 16

ALTERNATING CURRENT

Question 17

The current alternates between positive and negative, resulting in a voltage waveform shaped like a sine wave.

Answer 17

ALTERNATING CURRENT

Question 18

The measurement of the number of electrons moving through a conductor

Answer 18

AMPERAGE

Question 19

A number of electrons produced.

Answer 19

MILIAMPERAGE

Question 20

Current is measured in Amperes (A) or milliamperes (mA)

Answer 20

AMPERAGE

Question 21

Adjusted with a mA selector

Answer 21

AMPERAGE

Question 22

Current is measured in:

Answer 22

Amperes (A) or milliamperes (mA)

Question 23

What is the milliamperes for dental radiography?

Answer 23

8 to 15 mA

Question 24

The flow of current occurs in two phases:

Answer 24

• POSITIVE PHASE
• NEGATIVE PHASE

Question 25

First half cycle, anode has a positive
charge.

Answer 25

POSITIVE PHASE

Question 26

Second half cycle, anode becomes a
negative charge.

Answer 26

NEGATIVE PHASE

Question 27

When is the x-ray produced? At what phase?

Answer 27

POSITIVE PHASE

Question 28

wWhen the current alternates it becomes:

Answer 28

NEGATIVE CHARGE

Question 29

When the current alternates and becomes a negative charge, there will be ____?

Answer 29

no current flow and x-rays will not be
produced

Question 30

____ > current flows > x-rays produced

Answer 30

First half-cycle

Question 31

First half-cycle > ____ > x-rays produced

Answer 31

current flows

Question 32

First half-cycle > current flows > ____

Answer 32

x-rays produced

Question 33

____ > no current > no x-ray produced

Answer 33

Second half-cycle

Question 34

Second half-cycle > ____ > no x-ray produced

Answer 34

no current

Question 35

Second half-cycle > no current > ____

Answer 35

no x-ray produced

Question 36

In x-ray production, there is a change in polarity of the
anode and cathode that occurs ____.

Answer 36

60 times per sec

Question 37

No production of x-ray occurs (because the anode is
negative).

Answer 37

Inverse voltage/ reverse voltage

Question 38

60-cycle AC

Answer 38

Inverse voltage/ reverse voltage

Question 39

In reverse voltage, how my pulses of x-rays emitted every second and duration?

Answer 39

60 pulses and 1/120 sec