RHS DANB PRACTICE TEST QUESTIONS AND ANSWERS ALREADY PASSED
RAD - Answers The amount of radiation absorbed per gram of tissue is referred to as
Cone beam computed tomography - Answers When referring to imaging in dentistry, what does CBCT
stand for
Electrons move from the cathode to the anode with more speed - Answers When the kilovoltage or kV
setting in the tubehead is increased
To eliminate or reduce the number of pathogens that are present due to aerosols of oral and respiratory
fluids produced during dental imaging - Answers When exposing dental images in a dental operatory,
what is the purpose of using barriers and disinfecting the treatment room following each patient?
X-rays with longer wavelength have less penetrating power - Answers Which of the following are correct
in regard to the different wavelengths product in dentistry
Exposure factors - Answers Using the proper __________ assists in controlling the amount of radiation
emitted to the patient
Primary radiation - Answers Which of the following types of radiation is also known as "useful radiation"
5 rems - Answers According to the National Council on Radiation Protection and Measurements, what is
the maximum permissible dose of radiation that a dental auxiliary can receive in 1 year?
Use of a thyroid collar during imaging - Answers A cone-shaped radiopaque image on a panoramic x-ray
is likely caused by
Receptor placement is simple and easy to duplicate - Answers Which of the following is an advantage of
the paralleling technique
Size 0 - Answers When exposing periapical images on a young child, what size image receptor should the
dental auxiliary choose?
Only when he/she is at the dental office - Answers What is the correct way for a dental assistant to wear
a dosimeter?
Periapical Image - Answers Which of the following images needs to show the entire tooth from 2-3mm
beyond the apex to the entire occlusal or incisal edge?
Use of the D film - Answers Which of the following is not an effective way that the "as low as reasonably
achievable" (ALARA) principle can be achieved in the dental office for the protection of the patient?
The angle formed by the image receptor and the long axis of the tooth - Answers When the bisecting
technique is used, which of the following angles is bisected?
, High density - Answers Which of the following is a direct result when an image receptor is exposed with
a high MIlliamperage or mA setting?
Semicritical instrument - Answers When classifying patient care items based on their potential to spread
infection due to their intended use,which classification is the Snap-A-Ray?
Dental images should not be taken on a "routine bases." - Answers Determine which of the following
statements is TRUE
The filament circuit - Answers During production of dental x-rays inside the dental tube, which
component is responsible for creating thermionic emission?
It is a device that can measure the amount of radiation that reaches the body of the radiographer -
Answers Which of the following is correct regarding a radiation monitoring badge?
Plane of the image receptor - Answers When the bisecting technique is used, foreshortening will occur if
the central ray is directed perpendicular to the:
Occlusal image - Answers Which of the following images has the purpose of demonstrating the buccal-
lingual and anterior-posterior relationships of structures on an image receptor?
The Frankfort plane is positioned too high. - Answers During extraoral panoramic dental radiography, if
the chin is positioned too high or tipped inward:
A technique that uses a cone-shaped x-ray beam to gather information and present it in three
dimensions on a computer screen - Answers Which of the following best describes cone beam computed
tomography (CBCT)?
Reproductive cells - Answers Which of the following choices is NOT a type of somatic cell.
The skin tissues of the patient being radiographed absorb some x-rays. - Answers Indicate which of the
following statements is TRUE:
The earring will be seen on the right side of the film, slightly higher than the real object. - Answers A
patient is being prepared for a panoramic exposure. The patient is wearing an earring in the left ear
only. The exposure is made and the panoramic radiograph is processed. Where will the earring artifact
be seen on the panoramic film?
Low energy, long wavelength - Answers Which of the type of x-rays is removed by the aluminum disks
found within the X-ray tube head?
The employer is responsible for the actions of the radiographer when taking a dental radiograph -
Answers Under state laws, the respondent superior doctorine states that
Dosimeter - Answers Which of the following is worn by the dental auxiliary in order to measure radiation
exposure?
RAD - Answers The amount of radiation absorbed per gram of tissue is referred to as
Cone beam computed tomography - Answers When referring to imaging in dentistry, what does CBCT
stand for
Electrons move from the cathode to the anode with more speed - Answers When the kilovoltage or kV
setting in the tubehead is increased
To eliminate or reduce the number of pathogens that are present due to aerosols of oral and respiratory
fluids produced during dental imaging - Answers When exposing dental images in a dental operatory,
what is the purpose of using barriers and disinfecting the treatment room following each patient?
X-rays with longer wavelength have less penetrating power - Answers Which of the following are correct
in regard to the different wavelengths product in dentistry
Exposure factors - Answers Using the proper __________ assists in controlling the amount of radiation
emitted to the patient
Primary radiation - Answers Which of the following types of radiation is also known as "useful radiation"
5 rems - Answers According to the National Council on Radiation Protection and Measurements, what is
the maximum permissible dose of radiation that a dental auxiliary can receive in 1 year?
Use of a thyroid collar during imaging - Answers A cone-shaped radiopaque image on a panoramic x-ray
is likely caused by
Receptor placement is simple and easy to duplicate - Answers Which of the following is an advantage of
the paralleling technique
Size 0 - Answers When exposing periapical images on a young child, what size image receptor should the
dental auxiliary choose?
Only when he/she is at the dental office - Answers What is the correct way for a dental assistant to wear
a dosimeter?
Periapical Image - Answers Which of the following images needs to show the entire tooth from 2-3mm
beyond the apex to the entire occlusal or incisal edge?
Use of the D film - Answers Which of the following is not an effective way that the "as low as reasonably
achievable" (ALARA) principle can be achieved in the dental office for the protection of the patient?
The angle formed by the image receptor and the long axis of the tooth - Answers When the bisecting
technique is used, which of the following angles is bisected?
, High density - Answers Which of the following is a direct result when an image receptor is exposed with
a high MIlliamperage or mA setting?
Semicritical instrument - Answers When classifying patient care items based on their potential to spread
infection due to their intended use,which classification is the Snap-A-Ray?
Dental images should not be taken on a "routine bases." - Answers Determine which of the following
statements is TRUE
The filament circuit - Answers During production of dental x-rays inside the dental tube, which
component is responsible for creating thermionic emission?
It is a device that can measure the amount of radiation that reaches the body of the radiographer -
Answers Which of the following is correct regarding a radiation monitoring badge?
Plane of the image receptor - Answers When the bisecting technique is used, foreshortening will occur if
the central ray is directed perpendicular to the:
Occlusal image - Answers Which of the following images has the purpose of demonstrating the buccal-
lingual and anterior-posterior relationships of structures on an image receptor?
The Frankfort plane is positioned too high. - Answers During extraoral panoramic dental radiography, if
the chin is positioned too high or tipped inward:
A technique that uses a cone-shaped x-ray beam to gather information and present it in three
dimensions on a computer screen - Answers Which of the following best describes cone beam computed
tomography (CBCT)?
Reproductive cells - Answers Which of the following choices is NOT a type of somatic cell.
The skin tissues of the patient being radiographed absorb some x-rays. - Answers Indicate which of the
following statements is TRUE:
The earring will be seen on the right side of the film, slightly higher than the real object. - Answers A
patient is being prepared for a panoramic exposure. The patient is wearing an earring in the left ear
only. The exposure is made and the panoramic radiograph is processed. Where will the earring artifact
be seen on the panoramic film?
Low energy, long wavelength - Answers Which of the type of x-rays is removed by the aluminum disks
found within the X-ray tube head?
The employer is responsible for the actions of the radiographer when taking a dental radiograph -
Answers Under state laws, the respondent superior doctorine states that
Dosimeter - Answers Which of the following is worn by the dental auxiliary in order to measure radiation
exposure?
