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RHS 100 Qestions And Answers
When the film is reversed, the image will be: - โ โ Light with herringbone or lower jaw
When the occlusal plane appears tipped or tilted, the error is a (n): - โ
โ Dropped film corner
When the occlusal technique is used, a ____ to stabilize the film. - โ
โ Patient gently bites on the surface of the film
When the right-angle central ray at_degrees to the film. technique is used, an occlusal film is exposed directing the - โ โ 90
When tori are present: - โ โ The film must be placed on the far side of the torus.
when using medical latex or vinyl gloves. - โ โ Non Sterile gloves are recommended for examinations and nonsurgical procedures.
Which of the following are considered to be semi critical instruments? - โ โ X ray film holding devices
Which of the following areas would appear the most radiolucent on a Dental Radiograph? - โ โ Air space
Which of the following changes will result in a radiograph with reduced density? - โ โ Increasing the subject thickness
Which of the following chemicals is the accelerator in developer solution? - โ โ Sodium Carbonate
Which of the following commercially available film holders can be used with the bisecting technique? - โ โ Rinn BAI instruments - Stabe bite block
Which of the following intraoral film holders is a disposable Styrofoam bite block? - โ โ Stabe bite block
____ sizes of bite-wing films are available. - โ โ Four
(2003) of the National Council on Radiation Protection and Measurements, According to the current recommendations The Current MPD for an occupationally exposed pregnant woman is the same as that for: - โ โ A non occupationally exposed person
A step wedge will reveal that radiographs taken at a higher KVp will have Versus radiographs taken at a lower kVp. - โ โ Long scale contrast
A thermometer may be clipped to the side of the for manual processing.
After seating the patient, the radiographer must complete which of the following procedures before washing the hands and putting on gloves?
- Chair adjustment 2. Headrest adjustment 3. Placing the lead apron - โ โ 1,2,
All crowns and roots of the first second and third molars, including the apices, aiveolar crest, contact areas, surrounding bone, and tuberosity region, must be seen on the _____ radiograph. - โ โ Maxillary molar
film and used to stabilize the film during exposure. The periapical film is oriented in The bitw-wing tab is a heavy paperboard tab or loop fitted around a periapical the bite loop so that the tab portion extends from the white side(tube side) of the film. - โ โ Both statements are true
Film is best stored in an area that is : - โ โ Cool and dry
For the mandibular topographic occlusal projection, position the PID so that the central ray is directed at _____ degrees toward the center of the film. - โ โ -
For the maxillary premolar exposure, the front edge of the film should be aligned with the midline of the maxillary: - โ โ Canine
For the maxillary topographic occlusal projection, the central ray is directed at ____ degrees. - โ โ +
For the molar bite-wing exposure, the front edge of the film should be aligned with the midline of the : - โ โ Mandibular first premolar
For the premolar bite-wing exposure, the PID is positioned far enough forward to cover both maxillary and mandibular. - โ โ Canines
For the premolar bite-wing exposure, the PID is positioned far enough forward to cover both maxillary and mandibular. - โ โ Canines
generates the black tones and the sharp contrast of the radiographic image. - โ โ Hydroquinone
Green-Sensitive film must be paired with intensifying screens that produce ____ light. - โ โ Green
If the film clears in_minutes, the chemistry is of adequate strength. - โ
โ 2
In children, size ____ film is used in the occlusal examination. - โ โ 2
In dental radiography, film mounting is the placement of radiographs: - โ โ In a supporting structure or holder
In the adult patient, which size film is recommended for bite-wing exposures? - โ โ Size 2
Informed Consent: - โ โ Must be in language that the patient can readily understand
Ip the dental setting, interpretation refers to an explanation of what is viewed on radiograph, whereas the term diagnosis refers to the identification of disease by examination or analysis. - โ โ Both statements are true.
Is an example of a patient protection technique used before x-ray exposure. - โ โ Proper prescribing of radiographs
Is defined as the absence of pathogens, or disease causing microorganisms. - โ โ Asepsis
Normal use of processing chemistry is defined as_intraoral films per day. - โ โ 30
On a panoramic radiograph the coronoid notch appears as a ____ to coronoid process. - โ โ Concavity located distal
On a panoramic radiograph the ear is viewed superimposed over the: - โ โ Styloid process
On some dental x-ray machines, only the_can be altered; the other parameters are preset by the manufacturer. - โ โ Exposure Time
Speed film is currently the fastest intraoral film available? - โ โ F
The Acronym for the permitted lifetime accumulated dose is: - โ โ MAD-Maximum accumulated dose
The clearing test is used to monitor: - โ โ Developer strength
The CMRS is defined as a series of intraoral dental radiographs that shows: - โ โ All the dentulous or edentulous tooth bearing areas of the upper and lower jaws.
The Collimator: - โ โ Restricts the size and shape of the x-ray beam
The consumer-Patient for the safe use of dental x-ray equipment. Radiation Health and Safety Act:Outlines requirements 2 Establishes guidelines for the proper Requires persons who take dental 1 Outlines requirements for the safe use of dental x-ray equipment. maintenance of x-ray equipment. radiographs to be properly trained and certified. - โ
โ 1,2,
The dental radiographer requires which of the following to perform dental radiographic procedures? - โ โ Sufficient knowledge and technical skills
The Film emulsion is: - โ โ Attached to both sides of the film
The label side of the dental film packet: - โ โ Is colored coded to distinguish between one film and two film packets and between film speeds
The major advantage of automatic film processing versus manual film processing is: - โ โ Less processing time is required.
The master tank is filled with: - โ โ Temperature-controlled water
The most common extraoral film is the ____ projection. - โ โ Panoramic radiograph
The occlusal technique is used to examine: - โ โ Large areas of the upper or lower jaw
The preservative used in developer solution is: - โ โ Air
The preservative used in developer solution is: - โ โ Sodium Carbonate
The primary benefit of using film holders with the bisecting technique is: - โ โ Reducing the patient's exposure to radiation
The primary disadvantage of the bisecting technique when contrasted with the paralleling technique is: - โ โ Dimensional distortion
The primary factor that limits the size of the tungsten target is: - โ โ High Production
The problem with a single bite-wing film per side for adult patients is increased: - โ โ Overlapped contacts
The purpose of is to chemically reduce the exposed, energized silver halide crystal into black metallic silver. - โ โ Developer
The purpose of the hardening agent is to harden and shrink the: - โ โ Gelatin in the film emulsion
The restrainer stops the development of: - โ โ Unexposed crystals more than exposed crystals
The temperatures of the developer and fixer solutions are controlled by the: - โ โ Use of mixing valve
Which of the following structures appears as a radiolucency on panoramic radiographs? - โ โ Pterygomaxillary fissure
Which of the following surfaces on the x ray machine must be covered or disinfected? - โ โ Control panel
Which of the following types of film exhibits the bony and soft tissue areas of the facial profile? - โ โ Cephalometric
Which of the following would be the best choice for cleaning the master and insert tanks? - โ โ A solution of hydrochloric acid and water
Which one occurrences during and after x-ray film exposure reduce(s) the amount of x-radiation a patient receives? - โ โ Proper film processing
