NVCC RAD 105 Final
Comprehensive Resource To Help You Ace 2026-2027
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!!
Current Update!!
1. 3 things necessary to produce x-rays - ANSWER 1. source of electrons
2. means to accelerate electrons
3. means to decelerating electrons
2. Electrons traveling from cathode to anode are called - ANSWER projectile
electrons
- when they hit the target they transfer their energy
3. Possible interactions are: - ANSWER interaction with orbital electron
interaction with the nucleus
interaction with just the atom
4. Source of electrons - ANSWER cathode
,5. Electrons go from the cathode to the anode side at - ANSWER half the
speed of light
6. Potential difference - ANSWER difference in negative charge of cathode and
positive charge of anode; controlled by kVp
7. The higher the kVp, the ____ potential difference - ANSWER stronger
8. Cathode - ANSWER negatively charged electrode that contains a filament
which provides a source of projectile electrons
9. Electrons traveling from cathode to anode are called? - ANSWER projectile
electrons
10. Possible interactions with projectile electrons - ANSWER interaction with
orbital electron
interaction with nucleus
interaction with the atom
11. Difference in negative charge of cathode and positive charge of anode -
ANSWER potential difference
12. Positively charged electrode that contains a target which acts to decelerate
with projectile electrons - ANSWER anode
,13. At 60 kVp+ ___% converted to x-rays - ANSWER 0.5%
14. At 100 kVp=___% converted to x-rays - ANSWER 1.0%
15. At 20 MV= ___% converted to x-rays - ANSWER 70%
16. When the projectile electron interacts with in an inner shell electron of target
atom instead of an over shell electron, ____ radiation is produced - ANSWER
characteristic
17. Tungsten binding energies - ANSWER k 69
l 12
m3
n1
o .1
18. ____ radiation is produced when the projectile electron from the filament
comes very close to the nucleus and slows down and its path is deviated -
ANSWER BREMS
19. Discrete - ANSWER specific energy levels
20. Continuous - ANSWER wide range of energy levels
, 21. Continuous is - ANSWER brems
22. Discrete is - ANSWER characteristic
23. X-ray beam is characterized by - ANSWER quantity and quality
24. A diagnostic x-ray beam usually has a HVL in the range of ___ - ANSWER 3-
5 AL
25. HVL is determined by using experiment that involves an - ANSWER x-ray
tube, a radiation detector, and graded thicknesses of filters usually made of AL
26. Aluminum is usually used because - ANSWER its efficient, inexpensive,
and easily shaped
27. Two types of filtration - ANSWER inherent and added
inherent - ANSWER filtration that is a result of the composition of the tube
and tube housing
added - ANSWER filtration added in the tube
total filtration is the sum of inherent and added filtration - ANSWER Below 50
kVp= 0.5mm of Al equiv.
Comprehensive Resource To Help You Ace 2026-2027
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!!
Current Update!!
1. 3 things necessary to produce x-rays - ANSWER 1. source of electrons
2. means to accelerate electrons
3. means to decelerating electrons
2. Electrons traveling from cathode to anode are called - ANSWER projectile
electrons
- when they hit the target they transfer their energy
3. Possible interactions are: - ANSWER interaction with orbital electron
interaction with the nucleus
interaction with just the atom
4. Source of electrons - ANSWER cathode
,5. Electrons go from the cathode to the anode side at - ANSWER half the
speed of light
6. Potential difference - ANSWER difference in negative charge of cathode and
positive charge of anode; controlled by kVp
7. The higher the kVp, the ____ potential difference - ANSWER stronger
8. Cathode - ANSWER negatively charged electrode that contains a filament
which provides a source of projectile electrons
9. Electrons traveling from cathode to anode are called? - ANSWER projectile
electrons
10. Possible interactions with projectile electrons - ANSWER interaction with
orbital electron
interaction with nucleus
interaction with the atom
11. Difference in negative charge of cathode and positive charge of anode -
ANSWER potential difference
12. Positively charged electrode that contains a target which acts to decelerate
with projectile electrons - ANSWER anode
,13. At 60 kVp+ ___% converted to x-rays - ANSWER 0.5%
14. At 100 kVp=___% converted to x-rays - ANSWER 1.0%
15. At 20 MV= ___% converted to x-rays - ANSWER 70%
16. When the projectile electron interacts with in an inner shell electron of target
atom instead of an over shell electron, ____ radiation is produced - ANSWER
characteristic
17. Tungsten binding energies - ANSWER k 69
l 12
m3
n1
o .1
18. ____ radiation is produced when the projectile electron from the filament
comes very close to the nucleus and slows down and its path is deviated -
ANSWER BREMS
19. Discrete - ANSWER specific energy levels
20. Continuous - ANSWER wide range of energy levels
, 21. Continuous is - ANSWER brems
22. Discrete is - ANSWER characteristic
23. X-ray beam is characterized by - ANSWER quantity and quality
24. A diagnostic x-ray beam usually has a HVL in the range of ___ - ANSWER 3-
5 AL
25. HVL is determined by using experiment that involves an - ANSWER x-ray
tube, a radiation detector, and graded thicknesses of filters usually made of AL
26. Aluminum is usually used because - ANSWER its efficient, inexpensive,
and easily shaped
27. Two types of filtration - ANSWER inherent and added
inherent - ANSWER filtration that is a result of the composition of the tube
and tube housing
added - ANSWER filtration added in the tube
total filtration is the sum of inherent and added filtration - ANSWER Below 50
kVp= 0.5mm of Al equiv.
