1
TCDHA RAD MIDTERM 1 |
UPDATE|COMPREHENSIVE FREQUENT
MOST-TESTED QUESTIONS AND
VERIFIED ANSWERS/SOLUTIONS|GET IT
100% ACCURATE!!
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
d) Dental radiograph - (ANSWER)b. Image Receptor
Which subatomic particle carries a negative electrical charge?
a) A Neutron
,2
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
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%
, 3
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
(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 - (ANSWER)c. The first
statement is true; the second statement is false
What controls the quantity of x-rays produced? - (ANSWER)Milliamperage (mA)
TCDHA RAD MIDTERM 1 |
UPDATE|COMPREHENSIVE FREQUENT
MOST-TESTED QUESTIONS AND
VERIFIED ANSWERS/SOLUTIONS|GET IT
100% ACCURATE!!
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
d) Dental radiograph - (ANSWER)b. Image Receptor
Which subatomic particle carries a negative electrical charge?
a) A Neutron
,2
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
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%
, 3
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
(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 - (ANSWER)c. The first
statement is true; the second statement is false
What controls the quantity of x-rays produced? - (ANSWER)Milliamperage (mA)
