Digital sensors cannot be sterilized and

The purpose of a stirring rod is to

Features of the Stabe bite-block include

The ALARA concept states that all radiation must be kept

When comparing current patient radiographs to radiographs taken several years ago, you noticed that the radiographs taken several years ago have a yellow-brown appearance. You realize that you have seen the same type of spotting with other radiographs that were taken several years ago. What is the cause of this ?

You have just developed a set of bite wings. When they come out of the automatic processor, the radiographs are clear. What is the cause of this error ?

When would you use a two-film packet when taking radiographs on your patient?

Your dentist asks you to take radiographs on your patient in order to check the interproximal surfaces of the posterior maxillary and mandibular teeth for decay. Which type of film would be the best to take the radiograph ?

Which of the following statements is true of wavelength in reference to radiation ?

The frequency for taking images on your pediatric chart atoes should be based on

How frequently should you monitor the digital imaging equipment in your office ?

(1)It is responsibility to maintain competence in taking dental images; taking continuing education courses is one example. (2)You should always do your best to properly position and expose receptors in a manner that is accurate, time efficient, and comfortable for your patient

The overall appearance of your films is too dark. Which of the following is the cause of this error?

Which of the following types of questions must be answered only by the dentists ?

(1)The developer chemicals should be checked and replenished if needed on a daily basis. (2) The fixer chemicals should be checked and replenished if needed on a weekly basis

The collimator _______

Exposure time is measured in

The x-ray was discovered by

Which of the following constitutes a person who can provide legal informed consent?

Aluminum filters

The embossed pattern placed on the lead foil sheet by the manufacturer will reveal

Your adolescent patient is scheduled for an orthodontic evaluation and needs a single radiograph of his side facial profile that include his skeletal structure, tissues, jaws, and teeth. Which one of the following radiographs should you take?

Which of the following statements is true of the statute of limitations? 1. It often begins when the patient discovers or should have discoverd that an injury has occured as a result of dental negligence 2. It is the time period during which a patient may bring malpractice action 3. It may not begin until years after the dental negligence occured

Duplicating film

Which subatomic particle carries a negative electrical charge?

In regard to increasing density

The use of F-speed film instead of D-speed film reduces the absorbed dose by __%

The rage of useful densities seen on a dental image is termed the

Your patient wants her original set of radiographs. She claims they are hers because she paid for them. Which of the following would be the best reply ?

An ion pair result when

Which of the following Statements is true of characteristic radiation ?

According to the inverse square law, the intensity of radiation is ____ proportional to thr _______ from the source of radiation

The Rinn XCP is a

Covering exposed surfaces with disposable materials ________ adequate protection _______ the need for surface cleaning and disinfection between patients

It is desirable that radiographs be identified with each of the following pieces of information, but it is critical that they be labeled with the

You are taking bite-wing radiographs on a 3-year-old child. Which size film should you use?

An oral examination limits the practitioner to knowledge of what is seen clinically. Dental images allow the practitioner to see many conditions that are not apparent clinically.

To maintain freshness, strength, and solution levels, film proceeding solutions must be replenished

Insufficient fixation time or insufficient risnsing would lead to

The teeth on your patient’s image appear very radiopaque and the periodontium and tissue appear very radiolucent. Your patient’s dental image has

(1) contaminated film is placed in a disposal container that is carried to the processor with gloved hands. (2) the film should be developed after the patient has been dismissed from the radiology area

A calibration test for accurate kilovoltage and milliamperage readings would most likely be performed to ensure that the dental ______ is functioning properly

Which of the following is an example of stochastic effect?

Which of the following is a sign or symptom of acute radiation syndrome (ARS)?

A nonthreshold dose-response curve suggests that

Two indicators that will help you in determining which way to amount bite-wings radiographs are (1)the curve of Spee curves ______ toward the distal, and (2) mandibular molars have ________ distinct roots

A patient with caries will require

Which of the following is an advantage of digital imaging ?

Films that are exposed to safelight illumination for more than 2 or 3 minutes will appear

In dental radiography, the term____ is used to describe the mean energy or penetrating ability of the x-ray beam

Radiolucent refers to that portion of a dental image that is

Lack of contact between screen and film result in

A film-screen contact test is used to test the

When the kilovoltage is increased

You have been using a dental x-ray machine that has an 8-inch PID. Your new machine has a 16-inch PID. Given that all exposure factors remain the same, according you the inverse square law, the resultant beam would be ______ as intense

Screen film

A reference radiograph is used to evaluate

Density is defined as

You have your patient in the chair m, you have placed receptor in your patient’s mouth, and you have positioned the position-indicating device. Which of the following should you do next to take the x-rays?

_________ is/are the single largest contribution to artificial radiation exposure (0.00053 Sv/year)

Which of the following types of position-indicating devices (PIDs) produce excess scatter radiation ?

Which of the following areas would appear the most radiopaque on a dental image ?

________ regulate(s) the manufacture and installation of dental x-ray equipment

(1)when you are preparing the sensor to use on your patient, it would be best to cover the sensor with a finger cot and then put on the barrier sleeve (2) when you are placing the digital sensor in your patient’s mouth, you would use a different placement technique than you would normally use when placing a film

The developer solution contains a preservative to prevent oxidation when the chemicals come in contact with ________

_______ refers to the total amount of radiation that is received or absorbed

Original dental images are the property of

Another term for infection control is ______, which means the absence of pathogens, or disease-causing microorganisms

Stochastic biologic effects from radiation

When a patient refuses dental images the dentist has deemed are necessary for treatment planning, the dentist should refuse to treat the patient; however, the patient could sign a release form that would allow the dentist to continue with the patient’s treatment

State and federal laws require that dental x-ray machines operating above 70kVp have a minimum total (inherent plus added filtration) of ___mm of aluminum filtration

You are in charge of monitoring the film badges. Film badges are checked on a quarterly basis. Your co-worker is 4 months pregnant. The badge registered 5.0Sv for the previous quarter. Based on the National Council on Radiation Protection and Measurements (NCRP), what information should you give the dentist ?

Decisions about the number, type, and frequency of dental images are determined by the ______ based on the patient’s individual needs

(1)potassium bromide, an alkaline accelerator, activates the developer solution and softens the gelatin in the film emulsion. (2) sodium carbonate, the restrainer, prevents film fog by stopping the development of the silver halide crystals

To test the automatic film processor, ______ in the automatic processor

In dental imaging, no ________ are used. 1. Critical instruments 2. Semicritical instruments 3. Noncritical instruments

Which of the following should you do first when using a daylight loader for film processing ?

With digital imaging, the term _______ is used to describe the pictures that are produced

When kilovolt is increased, a

Which of the following forms of electromagnetic radiation are capable of ionization?

Critical instruments are defined as instruments

Cathode rays derived from which of the following types of particulate radiation?

Why would you use the identification dot when taking radiographs?

When the film exits the fim processor, you notice that it appears foggy and lacks detail. Which of the following could be a possible solution to prevent this from occurring with the next patient’s film?

(1) digital sensors can be disinfected, sterilized, placed in cold sterilization, or be placed in barriers. (2) when using barriers, disinfect the sensor, cover both the sensor and the wire connection with a plastic barrier, and then cover with a finger cut to provide added protection

Amperage regulated the ______ of electrons produced at the cathode filament

On some dental x-ray machines, only the _______ can be altered; the other parameters are preset by the manufacturer

(1) x-ray photon production occurs as a result of both general and characteristic radiation (2) general radiation accounts for a small number of x-ray photons produced because it takes high kV to dislodge the electrons from the K shell

When a patient trusts the dental professional, the patient is

How many shades of gray can the gimen eye distinguish?

Digital imaging improves patient education because you can

Which of the following intraoral receptor holders is a disposable Styrofoam bite-block ?

The purpose of the anode is to

A panoramic radiograph can be substituted for a complete series of dental images. A panoramic radiograph does not clearly reveal changes in teeth, such as tooth decay, or the details of the supporting bone

(1) given that the human eye xan resolve 8 to 10 lp/mm, a CCD system is inadequate for diagnosis of dental disease (2) the majority of research has shown that the traditional radiographs perform at least as well as digital images and, at times, even better

During formation of the latent image, irregularities in the lattice structure of the exposed crystal, known as _________, attract silver atoms

Which of the following statements is true regarding the types of dental x-ray film and film placement ?

Radiation is defined as

Your radiographs have just exited the processor. When should you mount them ?

Your patient is receiving radiation treatments for Brest cancer. She reports having a burning sore throat and great difficulty swallowing. Which stage of the radiation injury sequence is your patient in ?