Which is the last step before image exposure - answer Removal of metal objects from
the patient's head and neck area
When performing patient care, you should wear __________ to prevent against cross-
contamination; when using disinfectants, you should wear _______________ to protect
yourself from the disinfectants - answer Examination gloves; utility gloves
Your patient was coughing during the appointment. Most of the time you were less than
3 feet away from the patient. Today, you have started to cough. Which of the following
modes of the spread of microorganisms was most likely involved with you contracting a
cough? - answer Droplet
Which method is used to prevent cross-contamination during the use of a digital
sensor? - answerBarrier technique
Which of the following is not true regarding digital imaging? - answer Computer software
is designed to eliminate common placement errors
There is a new x-ray machine in the dental office. The length of the PID of the old
machine was 16 inches and the PID of the new machine is 8 inches. How does this
affect the intensity of the x-ray beam? What adjustment will you need to make to keep
the density of the images consistent? - answerThe resultant beam will be four times as
intense; the exposure time will need to be decreased
Washing with an alcohol-based product until hands are dry describes which term? -
answerAntiseptic hand rub
Which of the following describes hand hygiene using water and a non-antimicrobial
soap? - answerRoutine handwashing
Why is the use of a thyroid collar discouraged in panoramic imaging? - answerIt blocks
a portion of the x-ray beam
Identify the characteristics of x-rays produced with a high kilovoltage. - answerMore
penetrating; shorter wavelength
Which is the first step in handling film with barrier envelopes during processing? -
answerPut on gloves.
, Which of the following describes a single-use item used in dental imaging procedures? -
answerCotton rolls
Once the operator has placed the film in a receptacle labeled with the patient's name,
the operator should carry the receptacle to the darkroom with _____________ hands. -
answerUngloved
What effect will occur by increasing the kilovoltage setting on the exposure control
panel? - answerincreases the penetrating power of the x-ray beam
The operator should clean and disinfect any uncovered areas while wearing
____________ - answerUtility gloves
If your patient has a known infectious disease, which of the following should you do? -
answerUse standard precautions
You should wash your hands with which of the following activities? - answerBefore you
disinfect and barrier the radiology room and before and after touching the patient
Which infection control practice in the dental health care setting applies to dental
imaging procedures? - answerDental unit and environmental surface disinfection
During the production of x-rays, how much energy is turned into x-rays? - answer1%
An extension has been added to the PID on the x-ray machine in the dental office. The
length of the PID is changing from 8 to 16 inches. How does this affect the intensity of
the x-ray beam? What adjustment will need to be made to keep the density of the
images consistent? - answerThe resultant beam will be one-quarter as intense; the
exposure time will need to be increased.
Which infection control protocol should be followed when a film packet is dropped on
the floor? - answerLeave it on the floor, move it to the side with your foot, if necessary,
and pick it up later
The PID is considered to be which of the following? - answerNoncritical
Why is insulating oil added to the metal housing of the x-ray tubehead? - answerTo
absorb excess heat production
Which statement most correctly describes infection control protocol in dental imaging
procedures? - answerInfection control procedures in dental imaging are identical to
those used in any dental procedure
When faced with an uncooperative child, which choice describes the recommended
protocol the operator should follow for asking a parent to assist with an uncooperative
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