Radiation Safety

Automatic film processing requires __than manual film processing does

Computed tomography:

The Bitewing view is used for dectecting:

When a #2 film sensor the anterior films are in the__position and poster are in the__position

When the patient's jaw are outside the focal trough, the resulting images are:

The maximum permissible dose for an occupational worker for an individual 18yrs is __rem/year

what size film sensor is used for the anterior region of the mouth?

Which of the following time and temperature errors will result in reticulation of the film?

Advantages of panoramic imaging include which of the following?

Incorrect vertical angulation can result in an image that is:

The term__is used to describe areas that appear dark on the image__is used to appear white

When a film through fixer solutions before developing, the film will appear:

According to the guidelines for the film placement which of the following is true?

A patient wearing earrings must remove before a panoramic exposure otherwise a __will appear

When a patient's chin is too high during the panoramic exposure

__-speed film is the newest and fastest currently available

The most commonly used film size for adult intraoral dentistry is size:

An anterior set of images includes:

Dental records must contain documents of the__of dental images taken

The purpose of the lead foil in the dental film packet is to

Solutions should have been changed in the processor 1 wk ago exhausted developer will result in

When taking periapical images, it is best to start with anterior images because:

When mounting radiographs, it is important to:

Dental imaging

Quality control for the darkroom should include

What new feature of the panoramic unit has allowed better resolution to show better details?

To correct an elongated image on an x-ray view, the vertical angulation needs to be:

The heart of the x-ray generating system is the:

One reason the bisecting technique is used is:

For a film to be properly processed it should be left in a fixer solution, at full strength for

The category of digital imaging similar to faxes and video equipment that uses a sensor with a?

All of the following statements about the panoramic tubehead are true except the

When taking radiographs using film, the white side of the film is always placed;

In the paralleling technique, the central ray of the x-ray beam must be _ to the film sensor

Each panoramic unit has a(n)__that is used align the patient's teeth as accurately as possible

The correct position of the Frankfort plane for a diagnostically correct panoramic image is

Basic principles of the bitewing technique include the:

Dental film holders, used to position and hold the dental x-ray films in the patient's mouth is

Exposure to radiation:

The extraoral film placed outside the mouth during x-ray exposure is:

A ghost image will appear__than normal and on the__side of the image

One reason for a lighter than normal radiograph is the:

A good protocol to follow for decreasing the contamination of dental imaging equipment is to

Primary radiation is:

When in storage, the lead apron should be:

Anterior teeth that appear fat are caused by the

Calibration of dental x-ray equipment should be performed by:

The life of the processing solutions is affected by:

The number of x-ray views that makes a patient's full-mouth series depends on:

Skull radiography is not most often used in

Quality assurance is a way of ensuring that everything possible is being done to produce

The CBCT is useful in helping the dentist

For the patient with a hypersensitive gag reflex, the teeth that should be exposed last are:

Clear spots on a processed film can be caused by:

Regulations regarding certification for dental assistants in radiography:

Sterilized positioning instruments should be removed from the packages

A periapical view shows the tooth from the occlusal surface or incisal edge to the:

A plastic or metal film cassette the side of the cassette the must face the patient is the_side

When a patient's teeth are not positioned in the groove of the bite-block, teeth will appear

The focal trough is an imaginary three-dimensional area or space that bears the same shape as a

The number of bitewing films needed is based on the curvature of the arch and the:

Which of the following must be disclosed to the patient before obtaining informed consent

All the following are true statements about film badges except:

Incorrect horizontal angulation of the PID results in:

The quality of the panoramic view depend on:

A dental film in the patient's mouth, the white side is placed__ the tube and the raised dot to

To avoid a lead apron artifact on a panoramic radiograph

The lead plate in the panoamic tubehead with an opening shaped like a narrow vertical slit is

The ideal time and temperature for manual developing is

Which technique can be used in a small mouth, shallow palate, or the presence of tori?

It is the responsibility of the __to discuss the need for dental imaging

In adults, a size #_ intraoral film is used for the occlusal technique.

The part of the unit that aligns the patient's teeth as accurately as possible is the

Given normal use, processing solutions should be changed:

when taking periapical x-rays, the patient's head is__for maxillary films and__for the man arch

The amount of exposure time needed when exposing an extraoral radiograph is

Who is responsible for overall quality in a dental practice?

One technique for the management of the patient with a gag reflex is to:

The degree of density or blackness on an image is controlled by the:

When taking a premolar bitewing image, the anterior edge of the film sensor should be placed

When using a #2 film sensor for anterior views, the number of anterior images taken is:

Who should hold the film in a patient's mouth if the patient is unable to do so?

Which statement is true of a grid?

The exposure sequence for the posterior teeth should begin with the __right__view.

__hardens the film emulsion during film processing

The penetrating power of the x-ray beam is controlled by the settings on the

All the following are true statements regarding the operatory for dental imaging except

The __used in the panoramic x-ray machine tubehead is a lead plate with an opening shaped like

The AAOOMR recommends using the paralleling technique because

The safest place to store unopened boxes of dental film is in the:

Who can be held legally responsible for a dental assistant's actions?

What should the dental assistant do if a patient refuses dental imaging?

Angulation of the PID is perpendicular to the bisector line in which of the following

When a patient's chin is positioned too low during the panoramic exposure

One of the rules of radiation protection is never stand closer than__feet from the x-ray unit

The range of shades of gray between black and white on an image called:

A grid:

The x-ray was discovered on November 8, 1895, by:

A good technique for reducing the readiation exposure to both patient and operator is the use

All of the following statements about cone beam CBCT are true except the:

A patient is concerned with radiation you can ensure that your office uses the ALARA which is?

When using an x-ray sensor, it is important to always:

If a patient is small to get the same x-rays it is best to reduce the:

The ADA recommends that films be mounted:

The portion of the x-ray machine that supplies the electrons to produce x-rays is the

Radiographic images on an edentulous patient might be required for:

The x-ray beam in the horiz/vert planes of the teeth and the film sensor placement is referred:

The location where x-ray are produced in the x-ray tube is called the:

An intraoral full-mouth survey on an adult consists of_____images.

If the patient is in a wheelchair, cannot be used to stabilize the film sensor, you should:

Periapical radiographs are essential in which dental specialty?

Once films are removed from the mouth, they are considered contaminated and should be:

The major difference between the paralleling technique and the bisecting tech is film sensor:

When developer solution in an automatic processor is warm then 83F, the processed film will be

Factors that can affect the quality of dental radiographs include:

Occlusal radiographs can be used for:

Dental images are the property of the;

Developer cutoff will result in a __border

The most critical component in film processing quality control is

The correct order of steps in manual film processing is:

Secondary radiation:

The process of informing the patient about the nature and purpose of dental imaging is termed:

The bitewing view shows the:

A panoramic images allows the dentist to:

Advantages of panoramic imaging, when contrasted with intraoral imaging include:

Accurate image least amount of radiation is

The dentist says that the image has too much contrast; like to see more gray. what adjustments?

Exposing a periapical film sensor using the paralleling technique should always start

The main components of the panoramic unit include exposure controls and the:

What is the usual number of posterior film sensor images taken in the parallel technique?

A lead apron and a thyroid collar

Because of the curvature of the arch, a total of __bitewing views are taken on an adult patient

The skull view that shows the bones of the faces and skull and the soft tissue profile is the__