1|Page
TCDHA RAD MIDTERM EXAM WITH ACTUAL
QUESTIONS AND CORRECT VERIFIED
ANSWERS/ALREADY GRADED A+ 100%
GUARANTEED TO PASS CONCEPTS(ALL WHAT
YOU NEED) LATEST EDITION
A form of energy carried by waves or streams of
particles is defined as... - .....ANSWER ...✔✔
Radiation
The x-ray was discovered by... - .....ANSWER ...✔✔
Wilhelm Roentgen
Who MODIFIED the paralleling technique with the
introduction of the long-cone technique? - .....ANSWER
...✔✔ F. Gordon Fitzgerald
Which of the following would you place in the patient's
mouth in order to take dental x-rays?
a) Image
b) Image Receptor
c) Radiograph
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d) Dental radiograph - .....ANSWER ...✔✔ b. Image
Receptor
Which subatomic particle carries a negative electrical
charge?
a) A Neutron
b) A Proton
c) An Electron
d) A Nucleon - .....ANSWER ...✔✔ c. An Electron
What is the binding energy or binding force of an
electron is... - .....ANSWER ...✔✔ Determined by the
distance between the orbiting electrons and the nucleus
A spontaneous emission of radiation from the
disintegration of unstable atomic nuclei is... -
.....ANSWER ...✔✔ Radioactivity
Cathode rays are derived from which of the following
types of particulate radiation?
a. Electrons
b. Alpha Particles
c. Protons
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d. alpha particle decay - .....ANSWER ...✔✔ a.
Electrons
What type of radiation includes x-rays and visible light?
- .....ANSWER ...✔✔ Electromagnetic
Approximately what percentage of the kinetic energy
of the electrons is converted to x-rays at the anode? -
.....ANSWER ...✔✔ Less than 1%
What restricts the size of the x-ray beam? - .....ANSWER
...✔✔ The Lead Collimator
Which form of the x-ray beam is more detrimental to
the patient and operator? - .....ANSWER ...✔✔
Scatter Radiation
What happens with the electrons when the kilovoltage is
increased? - .....ANSWER ...✔✔ The electrons moves
from the CATHODE to the ANODE with more speed
Higher-energy x-ray beam with increased penetrating
ability results by... - .....ANSWER ...✔✔ When the
kilovolt is increased
TCDHA RAD MIDTERM EXAM WITH ACTUAL
QUESTIONS AND CORRECT VERIFIED
ANSWERS/ALREADY GRADED A+ 100%
GUARANTEED TO PASS CONCEPTS(ALL WHAT
YOU NEED) LATEST EDITION
A form of energy carried by waves or streams of
particles is defined as... - .....ANSWER ...✔✔
Radiation
The x-ray was discovered by... - .....ANSWER ...✔✔
Wilhelm Roentgen
Who MODIFIED the paralleling technique with the
introduction of the long-cone technique? - .....ANSWER
...✔✔ F. Gordon Fitzgerald
Which of the following would you place in the patient's
mouth in order to take dental x-rays?
a) Image
b) Image Receptor
c) Radiograph
,2|Page
d) Dental radiograph - .....ANSWER ...✔✔ b. Image
Receptor
Which subatomic particle carries a negative electrical
charge?
a) A Neutron
b) A Proton
c) An Electron
d) A Nucleon - .....ANSWER ...✔✔ c. An Electron
What is the binding energy or binding force of an
electron is... - .....ANSWER ...✔✔ Determined by the
distance between the orbiting electrons and the nucleus
A spontaneous emission of radiation from the
disintegration of unstable atomic nuclei is... -
.....ANSWER ...✔✔ Radioactivity
Cathode rays are derived from which of the following
types of particulate radiation?
a. Electrons
b. Alpha Particles
c. Protons
, 3|Page
d. alpha particle decay - .....ANSWER ...✔✔ a.
Electrons
What type of radiation includes x-rays and visible light?
- .....ANSWER ...✔✔ Electromagnetic
Approximately what percentage of the kinetic energy
of the electrons is converted to x-rays at the anode? -
.....ANSWER ...✔✔ Less than 1%
What restricts the size of the x-ray beam? - .....ANSWER
...✔✔ The Lead Collimator
Which form of the x-ray beam is more detrimental to
the patient and operator? - .....ANSWER ...✔✔
Scatter Radiation
What happens with the electrons when the kilovoltage is
increased? - .....ANSWER ...✔✔ The electrons moves
from the CATHODE to the ANODE with more speed
Higher-energy x-ray beam with increased penetrating
ability results by... - .....ANSWER ...✔✔ When the
kilovolt is increased
