1. Name each component of the x-ray circuit and
state its purpose.

2. 1. What type of rectifiers are illustrated
in this diagram?
2. What materials are they made of
and what classification of a
conducting material are they?
3. Why are they necessary in an
x-ray circuit?
4. What is a p-n junction?
5. If this component were not included
in the circuit could the x-ray
tube still function. How?
6. What does the 1/60 s labeled on the
sine waves refer to? Where does
it come from? What is this time in
ms?

3. 1. At what degree are each of the
red dots at?
2. Where do these degrees come from,
e.g., what created them?
3. How does the three phase diagram
differ from the 3 phase 6 pulse?
1. How many pulses per second are
created by each of these sign
waves?
2. What is the effect of efficiency on
heat units (HU)?
3. What is the effect on the quality
and quantity of the beam?
4. The percentages listed are
percentages of what?

4. 1. What is represented by A? 2. What is represented by B?
3. If B were repeated over an interval of time
what would that be called?
4. What 4th component of a sine wave has not
been represented? What is that component a
function of?
5. Which of these 4 components of the sine
wave represents the energy of photons?
Which represents the kV? A.
1. What is represented by A?
2. What is represented by B?
1. What does this diagram illustrate?
(what electrical component
produces this waveform)
2. What does this electrical
component do, e.g., what is its
function
3. What kinds of equipment is it
incorporated in?
4. One type of equipment employs
batteries. What kind are they?

5. 1. What does this diagram illustrate?
Step
1. What does this diagram illustrate?
2. What equipment does this technology replace?
3. What are its principle advantages?
4. Step 2 is similar to step 7, so why is step 3 necessary?
5. What happens between steps 3 and 4. What is the change
measured in?
6. What happens to the current between steps 5 and 6?

6. 6. How much
electricity flows
through C. What
is it measured in?
7. What names are
given to D? A C D B
1. What is the component labled A?
2. What component not labled goes with A?
3. What is special about the glass enclosure at B?
4. What is the component C? What is the typical range of sizes,
length and width that C comes in?
5. How does the focusing cup work? What influence does it have
on C

7. 8. What is the name of the specialized 5. What is the picture
principle this picture illustrates?
2. What two factors do the
target angle influence?
3. In regard to sharpness of
radiographic detail is a
larger or smaller angle better?
4. In regard to sharpness of radiographic
detail is the focus of the electron
beam, the actual focal spot size, or the
effective focal spot size most significant?
8. What is the
name of the
specialized
target to
the left
5. What is the picture
to the left a
representation of?
6. How was it made?
7. Is it a perfect
representation?

8. 1. What is the name of what this
picture illustrates?
2. Is it a beneficial or detrimental?
2. How does it relate to the line
focus principle?
3. What is its significance in regard
to how the patient is positioned
on the table, e.g., how can it be
used to advantage?

9. 4. What is the significance of the chart to the right. Be able to
1. What part of the x-ray tube
could be damaged, and what
damage could be done by not
heeding the information on
these four tube rating charts?
2. Why might there be four with
a single X-ray tube?
3. Name a technique on each
chart that will be permissible
by a small margin
4. What is the significance of the
chart to the right. Be able to
compute cooling times.
Time in minutes

10. 1. What is this interaction:
2. What part of the atom
does it involve
3. What happens to the
projectile electrons
4. Are the target atoms
ionized

11. 1. What is this interaction:
2. What part of the atom does it involve
3. What happens to the projectile electrons
4. Are the target atoms ionized?
5. How efficient is the production of x-rays,
how much waste?
6. where does the energy of the x-rays
come from?
7 what are K-rays, L-rays etc.
8. What is the energy of a K
characteristic x-ray that came
from the L shell, M shell.
9. What is the energy of a L
characteristic x-ray that came
from the M shell, N shell.
10. What does this graph represent?

12. B A 1. What is this interaction: what does the name mean?
2. What part of the atom does it involve
3. What happens to the projectile electrons
4. Wre the target atoms ionized?
5. What is the maximum energy x-rays
from this interaction can have?
6. Where does the energy of the x-rays
come from?
7. The x-ray beam comes exclusively from
this interaction up to what energy?
8. At 100 kVp how much of the x-ray
beam comes from this interaction
9. what happens to the projectile electron
10. What is represented by “A”
11. What is represented by “B”
12. For a tungsten target what is the
energy at “B”
13. If it were not tungsten would it be
the same? B A

13. 1. What are these graphs of? e.g. what are they called
collectively?
2. What do each of these graphs say about x-ray quantity?
3. What do each of these graphs say about x-ray quality?
4. What do each of these graphs say about the the
distribution of x-ray interactions varied by the factors
being graphed?
What practical application of
technique selection does this
graph demonstrate?