X-ray Machines

Question 1

What is mA (milliampere)

Answer 1

Measurement of the amount of current that passes through the X-ray tube during exposure

Question 2

What is kVp (kilovoltage peak)

Answer 2

Maximum voltage applied to an X-ray tube to produce X-rays (runs cathode to anode)

Question 3

Uses for portable X-ray machine

Answer 3

Large animal extremities or dentals

Question 4

Characteristics of
Mobile (take to patient) and
Stationary Machine (patient to machine)

Answer 4

Time, mA, and kVp are variable

Question 5

3 aspects of the Tube

Answer 5

1. Controlled beam
2. Cathode
3. Anode

Question 6

Controlled beam characteristics

Answer 6

Controls the AMOUNT and PENETRATION of X-RAY PHOTONS

Question 7

Cathode characteristics

Answer 7

Electron source= Negative charge and repels electrons

Question 8

Anode characteristics

Answer 8

the TARGET, has a Positive charge and attracts electrons from the Cathode

Question 9

Two other parts of the x-ray tube

Answer 9

-Glass envelope
-Vacuum tube (prevents air molecule interference)

Question 10

Increased kVp effects

Answer 10

1. energy and penetration increases
2. Wavelength decreases