HESI (Radiology) Questions with verified answers
A dental imaging examination of an edentulous patient is used to detect the
presence of all of the following, except one. Which one is the exception?
Ans✓✓✓ Dental caries
A dental radiographer places the white side of the film adjacent to the teeth,
because this action helps prevent a herringbone pattern on the radiograph.
Ans✓✓✓ Both the statement and reason are correct and related.
An HIV-positive individual is given the Tuberculin Skin Test (TST). What is the
minimum size of the wheal after 48 to 72 hours to indicate that the individual has
tested positive for the infection? Ans✓✓✓ 5mm
Cross-contamination is particularly problematic in oral healthcare, because saliva
is invisible yet capable of containing high bacterial and viral particle loads.
Ans✓✓✓ Both the statement and reason are correct and related
Dental healthcare professionals need to consult manufacturers of sensors and
digital radiography components regarding specific disinfection products and
procedures, because sensors and digital radiography components vary by
manufacturer and can be expensive. Ans✓✓✓ Both the statement and reason
are correct and related
During panoramic imaging, the dental radiographer asks the patient to swallow
once, close the lips around the bite-block, and lift the tongue to the palate,
because this action helps prevent the formation of a dark radiolucent shadow.
Ans✓✓✓ Both the statement and reason are correct and related
, Each of the following pertains to intraoral sensors except one. Which one is the
exception? Ans✓✓✓ Cable length of wired sensors varies from 4 to 10 feet.
Each of the following pertains to storage phosphor imaging except one. Which
one is the exception? Ans✓✓✓ More rapid than direct digital imaging
F-speed film is the slowest film and it requires less radiation exposure.
The speed of a film is indicated on the label side of the intraoral film packet and
on the outside of the film box. Ans✓✓✓ The first statement is false and the
second is true
Hot developer solution results in dark radiographic images, because hot
developer solution causes overdevelopment. Ans✓✓✓ Both the statement and
reason are correct and related.
How does the dental radiographer minimize the patient's exposure to radiation
during extraoral imaging? Ans✓✓✓ Use the fastest possible film and screen
combination.
How does the dental radiographer reduce the gag reflex in a patient? Ans✓✓✓
Rub a finger along the tissues before the receptor placement.
How should the dental radiographer place the receptor in the patient's mouth to
obtain a periapical image of a tooth? Ans✓✓✓ Parallel to the long axis of the
tooth
In panoramic imaging, the receptor and the x-ray tubehead move in opposite
directions.
A dental imaging examination of an edentulous patient is used to detect the
presence of all of the following, except one. Which one is the exception?
Ans✓✓✓ Dental caries
A dental radiographer places the white side of the film adjacent to the teeth,
because this action helps prevent a herringbone pattern on the radiograph.
Ans✓✓✓ Both the statement and reason are correct and related.
An HIV-positive individual is given the Tuberculin Skin Test (TST). What is the
minimum size of the wheal after 48 to 72 hours to indicate that the individual has
tested positive for the infection? Ans✓✓✓ 5mm
Cross-contamination is particularly problematic in oral healthcare, because saliva
is invisible yet capable of containing high bacterial and viral particle loads.
Ans✓✓✓ Both the statement and reason are correct and related
Dental healthcare professionals need to consult manufacturers of sensors and
digital radiography components regarding specific disinfection products and
procedures, because sensors and digital radiography components vary by
manufacturer and can be expensive. Ans✓✓✓ Both the statement and reason
are correct and related
During panoramic imaging, the dental radiographer asks the patient to swallow
once, close the lips around the bite-block, and lift the tongue to the palate,
because this action helps prevent the formation of a dark radiolucent shadow.
Ans✓✓✓ Both the statement and reason are correct and related
, Each of the following pertains to intraoral sensors except one. Which one is the
exception? Ans✓✓✓ Cable length of wired sensors varies from 4 to 10 feet.
Each of the following pertains to storage phosphor imaging except one. Which
one is the exception? Ans✓✓✓ More rapid than direct digital imaging
F-speed film is the slowest film and it requires less radiation exposure.
The speed of a film is indicated on the label side of the intraoral film packet and
on the outside of the film box. Ans✓✓✓ The first statement is false and the
second is true
Hot developer solution results in dark radiographic images, because hot
developer solution causes overdevelopment. Ans✓✓✓ Both the statement and
reason are correct and related.
How does the dental radiographer minimize the patient's exposure to radiation
during extraoral imaging? Ans✓✓✓ Use the fastest possible film and screen
combination.
How does the dental radiographer reduce the gag reflex in a patient? Ans✓✓✓
Rub a finger along the tissues before the receptor placement.
How should the dental radiographer place the receptor in the patient's mouth to
obtain a periapical image of a tooth? Ans✓✓✓ Parallel to the long axis of the
tooth
In panoramic imaging, the receptor and the x-ray tubehead move in opposite
directions.
