TCDHA RAD MIDTERM 1 | Updated Frequent Tested Exam
2026 WITH Recent Newest Verified And Well Analyzed Exam
Questions (Actual Exam 2026-2027) Correct Detailed &
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Which subatomic particle carries a negative electrical charge?
a) A Neutron
b) A Proton
c) An Electron
d) A Nucleon -ANSWERS-c. An Electron
What is the binding energy or binding force of an electron is... -ANSWERS-Determined
by the distance between the orbiting electrons and the nucleus
A spontaneous emission of radiation from the disintegration of unstable atomic nuclei
is... -ANSWERS-Radioactivity
Cathode rays are derived from which of the following types of particulate radiation?
a. Electrons
b. Alpha Particles
c. Protons
d. alpha particle decay -ANSWERS-a. Electrons
What type of radiation includes x-rays and visible light? -ANSWERS-Electromagnetic
Approximately what percentage of the kinetic energy of the electrons is converted to x-
rays at the anode? -ANSWERS-Less than 1%
, What restricts the size of the x-ray beam? -ANSWERS-The Lead CollimatorA form of
energy carried by waves or streams of particles is defined as... -ANSWERS-Radiation
The x-ray was discovered by... -ANSWERS-Wilhelm Roentgen
Who MODIFIED the paralleling technique with the introduction of the long-cone
technique? -ANSWERS-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
d) Dental radiograph -ANSWERS-b. Image Receptor
Which form of the x-ray beam is more detrimental to the patient and operator? -
ANSWERS-Scatter Radiation
What happens with the electrons when the kilovoltage is increased? -ANSWERS-The
electrons moves from the CATHODE to the ANODE with more speed
Higher-energy x-ray beam with increased penetrating ability results by... -ANSWERS-
When the kilovolt is increased
(1) Density is the overall darkness or blackness of a dental image. (2) When 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
2026 WITH Recent Newest Verified And Well Analyzed Exam
Questions (Actual Exam 2026-2027) Correct Detailed &
Verified ANSWERS (100% Accurate Solutions) ALREADY
GRADED A+||NEWEST VERSION Of The Exam Guarantee
Pass!!
Which subatomic particle carries a negative electrical charge?
a) A Neutron
b) A Proton
c) An Electron
d) A Nucleon -ANSWERS-c. An Electron
What is the binding energy or binding force of an electron is... -ANSWERS-Determined
by the distance between the orbiting electrons and the nucleus
A spontaneous emission of radiation from the disintegration of unstable atomic nuclei
is... -ANSWERS-Radioactivity
Cathode rays are derived from which of the following types of particulate radiation?
a. Electrons
b. Alpha Particles
c. Protons
d. alpha particle decay -ANSWERS-a. Electrons
What type of radiation includes x-rays and visible light? -ANSWERS-Electromagnetic
Approximately what percentage of the kinetic energy of the electrons is converted to x-
rays at the anode? -ANSWERS-Less than 1%
, What restricts the size of the x-ray beam? -ANSWERS-The Lead CollimatorA form of
energy carried by waves or streams of particles is defined as... -ANSWERS-Radiation
The x-ray was discovered by... -ANSWERS-Wilhelm Roentgen
Who MODIFIED the paralleling technique with the introduction of the long-cone
technique? -ANSWERS-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
d) Dental radiograph -ANSWERS-b. Image Receptor
Which form of the x-ray beam is more detrimental to the patient and operator? -
ANSWERS-Scatter Radiation
What happens with the electrons when the kilovoltage is increased? -ANSWERS-The
electrons moves from the CATHODE to the ANODE with more speed
Higher-energy x-ray beam with increased penetrating ability results by... -ANSWERS-
When the kilovolt is increased
(1) Density is the overall darkness or blackness of a dental image. (2) When 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
