NDAEB 5.4 Radiation Safety Part 4

Question 1 of 32

Category: 5.Patient Care Procedures

For patient safety, the Canadian Dental Association suggests the use of a

Shielded, close-ended, PID

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Unblocked, close-ended, PID

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Shielded, open-ended, PID

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Unblocked, open-ended, PID

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Question 2 of 32

Category: 5.Patient Care Procedures

Which dosimeter becomes \’zeroed out\’ after it has been officially read and documented?

A thermoluminescent dosimeter

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A quartz fiber dosimeter

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A film badge dosimeter

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A direct reader dosimeter

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Question 3 of 32

Category: 5.Patient Care Procedures

Collimated x-ray beams?

Focus on a centralized area

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Are expanded beams that cover entire areas

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Do not emit radiation

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Do not have dose controls

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Question 4 of 32

Category: 5.Patient Care Procedures

Alex applies a thyroid lead collar to her patient before beginning the scan. What is the main purpose of the thyroid lead collar?

To catch any patient body fluids

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To protect the patient\\\’s thyroid gland and parathyroid

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To help relax the patient during the procedure

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To protect the patient\\\’s cardiac muscles

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Question 5 of 32

Category: 5.Patient Care Procedures

Current radiation safety guidelines are based on what?

That a little radiation is good for everyone

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That there is no safe amount of radiation

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That women are more susceptible than men to radiation damage

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That children are less likely to be affected by radiation exposure

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Question 6 of 32

Category: 5.Patient Care Procedures

_________ is the most effective method of reducing patient exposure to radiation?(RQ)

A lead apron across the abdomen

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Multiple procedure times

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A thyroid collar across the throat

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Fast film speed

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Question 7 of 32

Category: 5.Patient Care Procedures

What factor can clinicians use to determine whether operators should wear a dosimeter badge?

Levels of clinical exposure

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The brand of equipment use

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The expertise of the operators

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Type of x-ray processing used

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Question 8 of 32

Category: 5.Patient Care Procedures

During a dental X-ray, the thyroid collar is not used when taking?(RQ)

Intraoral radiographs

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Periapical radiographs

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Extraoral radiographs

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Bitewing radiographs

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Question 9 of 32

Category: 5.Patient Care Procedures

Which dosimeter is considered the most recent innovation in personal monitoring devices and is often used for purposes outside of the dentist office?

The thermoluminescenter dosimeter

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The optically stimulated luminescence dosimeter

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The film badge dosimeter

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The luminescent dosimeter

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Question 10 of 32

Category: 5.Patient Care Procedures

If a patient is in the process of trying to become pregnant

She should wear 3 lead aprons

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She should not receive x-rays for at least 1 year

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The x-rays do not need to be delayed

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X-rays will prevent a woman from getting pregnant

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Question 11 of 32

Category: 5.Patient Care Procedures

Non-stochastic effects are manifest within?

Years

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Weeks

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Months

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Days

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Question 12 of 32

Category: 5.Patient Care Procedures

Which radiographic component increases thyroid exposure?

Rectangular collimators

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Round positioning devices

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Open-ended parallel collimators

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Beam position guides

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Question 13 of 32

Category: 5.Patient Care Procedures

To minimize patient risk, all of the following are proper procedures, except?

Follow federal regulations

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Use slow speed film

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Place a protective apron over the patient

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Avoid retakes

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Question 14 of 32

Category: 5.Patient Care Procedures

What will help limit patient movement during an intraoral exposure?

Headrest

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Bite block

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Cotton roll

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Thyroid collar

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Question 15 of 32

Category: NDAEB Written Exam Study Material

To avoid activating the patient\’s gag reflex, the dental worker should?

Move most of the film holder to the front of the patient\\\’s mouth

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Place the film holder on the right side of the patient\\\’s mouth

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Place the film holder in the center of the patient\\\’s mouth

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Move most of the film holder to the back of the patient\\\’s mouth

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Question 16 of 32

Category: NDAEB WE Mock Exam

Quality assurance is

Keeping the dental office clean

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Using high radiation levels to get a good image

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Keeping patient exposure low, while getting high-quality images

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The pursuit of perfect images without safety concern

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Question 17 of 32

Category: 5.Patient Care Procedures

According to CCOHS regulations, all dental radiographers must monitor their exposure to radiation by wearing an?

Pocket dosimeter

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Appropriate PPE

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Radiation gauge

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Radiation watch

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Question 18 of 32

Category: 5.Patient Care Procedures

The most commonly used leaded aprons cover what area(s) of the body?

Scalp and neck

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Lower body

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Chest and lap

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Back and shoulders

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Question 19 of 32

Category: 5.Patient Care Procedures

When wearing safety garments, the best way to get an accurate radiation reading on the operator\’s monitoring device is?

To keep it behind the barrier

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To wear it on the inside of the lead apron

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To wear it on the outside of the protective garment

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To give it to the patient during x-rays

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Question 20 of 32

Category: 5.Patient Care Procedures

An operator should?

Only wear protective gloves

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Not wear protective gear

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Stand next to the patient during an x-ray

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Never hold a film in place for a patient

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Question 21 of 32

Category: 5.Patient Care Procedures

The reason dosimeters should not be worn away from the dental clinic is?

To prevent transmission of bacteria or other microorganisms

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To prevent the cross contamination of chemicals

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Because the meters are designed to measure radiation from man-made sources only

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Because the meters are designed to measure radiation from occupational sources only

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Question 22 of 32

Category: 5.Patient Care Procedures

What is true about x-rays?

Cause serious medical problems

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Do not cause any health problems to the patient

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Cause massive burns on the patients

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Cause major mouth sensitivity

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Question 23 of 32

Category: 5.Patient Care Procedures

The x-ray tube is unstable and moves when the operator steps away from the machine, so the operator should?

Make any adjustments to the suspension arm prior to making exposures

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Stabilize the x-ray tube head while capturing the image

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Ask the patient to stabilize to x-ray tube head while capturing the image

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A silver crystal on the radiograph

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Question 24 of 32

Category: 5.Patient Care Procedures

How much radiation is a patient exposed to in a full mouth radiological appointment?

1.1 mrem

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1.5 mrem

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4 mrem

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100 mrem

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Question 25 of 32

Category: 5.Patient Care Procedures

Short, closed, pointed plastic cones can cause extra radiation to the patient because of?

Unnecessary radiation to the surrounding areas

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Unnecessary radiation to the face

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Increased scattered radiation

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All of the above

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Question 26 of 32

Category: 5.Patient Care Procedures

Fetal exposure to radiation can cause all of the following EXCEPT for?

Smaller head size

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Abnormally slow growth

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Larger brain size

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Mental retardation

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Question 27 of 32

Category: 5.Patient Care Procedures

To protect against radiation damage, the DHCP offers the patient a thyroid collar during which procedure?

Panoramic

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Bitewing

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Periapical

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Angular

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Question 28 of 32

Category: 5.Patient Care Procedures

When preparing a radiation contingency plan, which federal agency can provide information on occupational safety?

CCOHS

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CRA

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FDA

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CEPA

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Question 29 of 32

Category: 5.Patient Care Procedures

A common risk for operators who hold dental film is?

Cancer of abdominal organs

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Radiation damage to skin or burns to the fingers

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Infertility or harm to reproductive organs

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Neural or brain damage

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Question 30 of 32

Category: 5.Patient Care Procedures

Which of the following is an example of an employee utilizing a radiation shield to protect themselves from exposure?

Wearing a lead apron

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Avoiding the radiation room

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Staying far away from the patient as possible

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Having another employee stand in front of them

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Question 31 of 32

Category: 5.Patient Care Procedures

What is the purpose of a personal monitoring device for radiation employees?

To monitor employee radiation exposure

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To better show the employee name badge

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To track where the employee goes on the internet

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To monitor how many steps the employee walks in a day

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Question 32 of 32

Category: 5.Patient Care Procedures

What helps measure the radiation a technician is exposed to?

Film cassette

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Film badge

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Film packet

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Film holder

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NDAEB 5.4 Radiation Safety Part 4

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