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dental radiology final exam with correct answers 2024

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  • Dental Radiology Fin

A photographic image produced on film by the passage of x-rays through teeth and related structures correct answers radiograph, dental A beam of energy that has the power to penetrate substances and record image shadows on photographic film. correct answers x ray A form of energy carried by...

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  • August 28, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Dental radiology fin
  • Dental radiology fin
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dental radiology final exam review

A photographic image produced on film by the passage of x-rays through teeth and
related structures correct answers radiograph, dental

A beam of energy that has the power to penetrate substances and record image
shadows on photographic film. correct answers x ray

A form of energy carried by waves or a stream of particles correct answers radiation

Any person who positions, exposes, and processes x-ray film correct answers
radiographer, dental

The making of radiographs by the exposure of film to x-rays correct answers
radiography

A high-energy radiation produced by the collision of a beam of electrons with a metal
target in an x-ray tube correct answers radiation

The science or study of radiations as used in medicine. correct answers radiology

The making of radiographs of the teeth and adjacent structures by the exposure of film
to x-rays correct answers radiography, dental

A picture on film produced by the passage of x-rays through an object or body. correct
answers radiograph

Coolidge correct answers developed first x ray tube

Fitzgerald correct answers Introduced long-cone paralleling technique

Kells correct answers exposed first radiograph in united states with live patients

McCormack correct answers Used paralleling technique in practical dental radiography

Roentgen correct answers discovered x rays

Walkhoff correct answers exposed first dental radiograph

Which of the following electrons has the greatest binding energy? correct answers K
shell electrons

,the K shell electron is located closest to the nucleus and has the highest energy level
and the greatest binding energy. The M, N, and L shell electrons are located farther
from the nucleus.

What type of electrical charge does the electron carry? correct answers negative
charge

Which term describes two or more atoms that are joined by chemical bonds? correct
answers molecule

Which of the following describes ionization? correct answers Ionization is described as
the production of ions when an atom loses an electron

Which term describes the process by which unstable atoms undergo a spontaneous
disintegration in an effort to attain a more balance nuclear state? correct answers
radioactivity

Which of the following is NOT a type of particulate radiation? correct answers nucleons

Which of the following is NOT a type of electromagnetic radiation? correct answers
electrons

Which of the following is a CORRECT statement? correct answers x-rays have more
energy than visible light

Which of the following regulates the flow of electrical current to the filament of correct
answers low-voltage circuit

Which of the following is used to increase the voltage in the high-voltage circuit?
correct answers step-up transformer
The transformers either increase or decrease the voltage in an electrical circuit; the
step-up transformer increases the incoming voltage to the level required.

Which of the following is the location in which x-rays are produced? correct answers .
positive anode
X-rays are produced at the anode that is the positive electrode inside the x-ray tube.

Which of the following is the location in which thermionic emission occurs? correct
answers negative cathode
Thermionic emission occurs at the cathode that is the negative electrode inside the x-
ray tube.

Which of the following accounts for 70% of all the x-ray energy produced at the anode?
correct answers general radiation

, Which of the following occurs only at 70 kVp or higher and accounts for a very small
part of the x-rays produced in the dental x-ray machine? correct answers characteristic
radiation

Which of the following describes primary radiation? correct answers radiation that exits
the tubehead

Which of the following describes scatter radiation? correct answers radiation that has
been deflected from its path by interaction with matter.
Radiation that has been deflected from its path by the interaction with matter is scatter
radiation.

Which of the following type of scatter occurs most often with dental x-rays? correct
answers compton

In dental radiography, the quality of the x-ray beam is controlled by: correct answers
kVp

Identify the kilovoltage range for most dental x-ray machines: correct answers 65-100
kV
The average range for most dental x-ray machines is 65-100kV. Lower settings may not
penetrate the tissue adequately and cause high contrast images; higher settings
increase the radiation the patient receives and cause low contrast images.

A higher kilovoltage produces x-rays with: correct answers greater energy levels
shorter wavelengths
more penetrating ability

An increase in kilovoltage increases the quality of the beam. It will demonstrate greater
energy and shorter, more penetrating wavelengths.

Identify the unit of measurement used to describe the amount of electric current flowing
through the x-ray tube: correct answers ampere

Radiation produced with high kilovoltage results in: correct answers short wavelengths
An increase in kilovoltage increases the quality of the beam. It will demonstrate greater
energy and shorter, more penetrating wavelengths.

In dental radiography, the quantity of radiation produced is controlled by: correct
answers mA, exposure time
Kilovoltage peak affects the quality of the x-ray beam. The quantity of the x-rays
produced is controlled by milliamperage and exposure time.

Increasing milliamperage results in an increase in: correct answers temperature of the
filament,number of x-rays produced

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