Rules of radiation protection for the operator include all of the following except

Each of the following regarding a dental radiographic examination should be documented in a patient's dental record EXCEPT

film speed and size of image receptor

Digital radiographic images that can be accessed only with a password are said to be

encrypted

An overdeveloped film may be caused by which of the following

excessive development time

Rules of radiation protection for the operator include all of the following except

never stand closer than 3 feet from the x-ray unit during an exposure

Each of the following is a limitation of the bisecting technique EXCEPT

may not be used with children

An error in vertical angulation on a bitewing image will result in

unequal distribution of the arches

Directing the central rays perpendicular to the plane of the image receptor and perpendicular to the long axes of the teeth describes which step of the paralleling technique?

vertical angulation

The ___ is an extension of the x-ray tubehead and is used to direct the x-ray beam

PID

The collimator

Restricts the size and shape of the x-ray beam

in which of the following conditions would vertical bitewings be recommended over horizontal bitewings

adult with peridontal disease

Con beam computed tomography plays a valuable role in which of the following

all of the above

which fo the following is a risk management strategy

all the above

Each of the following is an aspect of informed consent prior to a dental radiographic examination except

amount of radiation exposure anticipated (?)

____ films can be used in cassettes

extraoral

With the bisecting technique, what is the effect on the radiographic image if the vertical angualtion is significantly greater than necessary

foreshortening

Which of the following is used to help reduce film fog during exposure of extraoral radiographs

grid

In which of the following situations would using a size 3 image receptor be acceptable

horizontal bitewings on an adult for caries detection

Which of the following statements is true about duplicating films

if more film density is needed, the exposure time is shortended

Cutting off the root apex portion of the image on a periapical radiograph results from

inadequate vertical angualtion

Elongation results from

inadequate vertical angulation

when x-ray exposure time is increased, there is ______ density of the radiograph

increased

The most im portant reason for using an image receptor positioner when utilizing the paralleling technique is to stabalize the image receptor in a position

parallel to the teeth

What term describes the crystals used in the emulsion of intensifying screens

phosphors

Failure to add replenisher as needed each day to an automatic processor will result in?

poor-quality films

Which size image receptor is used, and how is it positioned for exposure of an anterior bitewing radiograph of a small and narrow adult arch?

size 1 placed vertically

Each of the following will assist in maintaining ideal infection control conditions when using an automatic processor with a daylight loader attachment EXCEPT

slide gloved hands through the baffles prior to and after processing

Which of these would appear radiopaque on a radiograph

tooth enamel

in a dental practice where many HIV-positive patients are treated, the film rollers in the automatic processor should be

treated in the usual accepted manner

If the radiographic processing time is too lon , the film will appear

dark

in order to increase the contrast on a radiograph, one should ____ the kilovoltage peak

decrease

Teh overall blackness or darkness of a film is

density

Each of the following may be protected with a plastic barrier to maintain infection during the radiographic procedure EXCEPT

(PSP plate) image receptor holder

A dental xray tube head adn PID are classified for infection control as

(not clinical contact) noncritical objects

Which of the following is the recommended size of the beam at the patient's face

2.75 inches

X-ray film can be removed from the fixer after _____ mintues for a wet reading and _____

3 mintues .....

what is the optimum development time and temperature for radiographic films using manual processing

68 degrees fro 5 mintues

Which of these target-image receptor distances is recommended for use with the bisecting technique?

8 inches

Which of the following types of PIDs do not produce scatter radiation

A & B

_____ is an example of a patient protection technique used before x-ray exposure

Proper prescribing of radiographs

A dentist must receive a signed release from a patient before sharing that patient's radiographs with another healthcare professional because the patient owns his or her radiographs

The statement is correct but the reason is NOT correct

Which of these conditions would NOT be visible on a bitewing radiograph

apical abcess

When utilizing the bisecting technique, the image receptor is placed

as close as possible to the tooth

Radiation caries are most often seen on teeth

at the cervical line circumferentially

which device is used to assist in the position of the PID in relation to the tooth adn film

beam alignment device

After the lead apron is used it hsould be

both a and c are correct

A tissue that lies within the primary dental beam and is very radiosensitive is the

cornea

A bitewing film shows the ____ of both the ___ and ____

crowns, maxilla, mandible

Cephalometric radiographs are primarily indicated to evaluate

jaw relationships

The ____ film provides a wide view of the maxilla and mandible

panoramic

When utilizing the bisecting technique, the central rays of the xray beam are directed

perpendicular to the bisector

Radiographic image receptor holders are classified for infection control as

semicritical instruments

What should be done with an image receptor immediately after removing it from the oral cavity

wipe off excess saliva with guaze or paper towel

When taking a panoramic radiograph, the patient's head should be oriented

with the midsagittal plane perpendicualr to the floor and in the focal trough

Spraying disinfectant directly on which of these should be avoided

xray machine exposure switch

The thyroid collar

both a and c are correct