RAD Midterm 1 TCDHA | 110 Questions with 100%
Correct Answers | Verified.
A form of energy carried by waves or streams of particles is defined as... - -Radiation
-The x-ray was discovered by... - -Wilhelm Roentgen
-Who MODIFIED the paralleling technique with the introduction of the long-cone
technique? - -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 - -b. Image Receptor
-Which subatomic particle carries a negative electrical charge?
a) A Neutron
b) A Proton
c) An Electron
d) A Nucleon - -c. An Electron
-What is the binding energy or binding force of an electron is... - -Determined by the
distance between the orbiting electrons and the nucleus
-A spontaneous emission of radiation from the disintegration of unstable atomic nuclei
is... - -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 - -a. Electrons
-What type of radiation includes x-rays and visible light? - -Electromagnetic
-Approximately what percentage of the kinetic energy of the electrons is converted to x-
rays at the anode? - -Less than 1%
-What restricts the size of the x-ray beam? - -The Lead Collimator
-Which form of the x-ray beam is more detrimental to the patient and operator? - -
Scatter Radiation
-What happens with the electrons when the kilovoltage is increased? - -The electrons
moves from the CATHODE to the ANODE with more speed
-Higher-energy x-ray beam with increased penetrating ability results by... - -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
c. The first statement is true; the second statement is false - -c. The first statement is
true; the second statement is false
-What controls the quantity of x-rays produced? - -Milliamperage (mA)
-In regard to increasing density: - -An increase in either kVp or mA will increase
density.
Correct Answers | Verified.
A form of energy carried by waves or streams of particles is defined as... - -Radiation
-The x-ray was discovered by... - -Wilhelm Roentgen
-Who MODIFIED the paralleling technique with the introduction of the long-cone
technique? - -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 - -b. Image Receptor
-Which subatomic particle carries a negative electrical charge?
a) A Neutron
b) A Proton
c) An Electron
d) A Nucleon - -c. An Electron
-What is the binding energy or binding force of an electron is... - -Determined by the
distance between the orbiting electrons and the nucleus
-A spontaneous emission of radiation from the disintegration of unstable atomic nuclei
is... - -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 - -a. Electrons
-What type of radiation includes x-rays and visible light? - -Electromagnetic
-Approximately what percentage of the kinetic energy of the electrons is converted to x-
rays at the anode? - -Less than 1%
-What restricts the size of the x-ray beam? - -The Lead Collimator
-Which form of the x-ray beam is more detrimental to the patient and operator? - -
Scatter Radiation
-What happens with the electrons when the kilovoltage is increased? - -The electrons
moves from the CATHODE to the ANODE with more speed
-Higher-energy x-ray beam with increased penetrating ability results by... - -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
c. The first statement is true; the second statement is false - -c. The first statement is
true; the second statement is false
-What controls the quantity of x-rays produced? - -Milliamperage (mA)
-In regard to increasing density: - -An increase in either kVp or mA will increase
density.
