RAD MIDTERM 1 TCDHA NEWEST 2024 ACTUAL EXAM 110 QUESTION
AND CORRECT DETAILED ANSWERS WITH RATIONALES
Study online at https://quizlet.com/_fw4v63
1. A form of energy carried by waves or Radiation
streams of particles is defined as...
2. The x-ray was discovered by... Wilhelm Roentgen
3. Who MODIFIED the paralleling tech- F. Gordon Fitzgerald
nique with the introduction of the
long-cone technique?
4. Which of the following would you place b. Image Receptor
in the patient's mouth in order to take
dental x-rays?
a) Image
b) Image Receptor
c) Radiograph
d) Dental radiograph
5. Which subatomic particle carries a c. An Electron
negative electrical charge?
a) A Neutron
b) A Proton
c) An Electron
d) A Nucleon
6. What is the binding energy or binding Determined by the distance be-
force of an electron is... tween the orbiting electrons and
the nucleus
7. A spontaneous emission of radiation Radioactivity
from the disintegration of unstable
atomic nuclei is...
8. Cathode rays are derived from which of a. Electrons
the following types of particulate radi-
ation?
a. Electrons
b. Alpha Particles
c. Protons
d. alpha particle decay
, RAD MIDTERM 1 TCDHA NEWEST 2024 ACTUAL EXAM 110 QUESTION
AND CORRECT DETAILED ANSWERS WITH RATIONALES
Study online at https://quizlet.com/_fw4v63
9. What type of radiation includes x-rays Electromagnetic
and visible light?
10. Approximately what percentage of the Less than 1%
kinetic energy of the electrons is con-
verted to x-rays at the anode?
11. What restricts the size of the x-ray The Lead Collimator
beam?
12. Which form of the x-ray beam is more Scatter Radiation
detrimental to the patient and opera-
tor?
13. What happens with the electrons when The electrons moves from the
the kilovoltage is increased? CATHODE to the ANODE with
more speed
14. Higher-energy x-ray beam with in- When the kilovolt is increased
creased penetrating ability results by...
15. (1) Density is the overall darkness or c. The first statement is true; the
blackness of a dental image. (2) When second statement is false
the kilovoltage is increased while other
exposure factors remain constant, the
resultant image exhibits a decreased
density and appears lighter.
a. Both statement are true
b. Both statement are false
c. The first statement is true; the sec-
ond statement is false
16. What controls the quantity of x-rays Milliamperage (mA)
produced?
17. In regard to increasing density: An increase in either kVp or mA
will increase density.
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