NDAEB 5.4 Radiation Safety Part 3

Question 1 of 62

Category: 4.Patient Care Procedures

Anna is a new assistant and recently lost her dosimeter. She should first?

Share another employee\\\’s meter

Correct Incorrect Correct answer

Report it immediately and acquire a new one

Correct Incorrect Correct answer

Forego monitoring her radiation exposure

Correct Incorrect Correct answer

Wait to report it to her supervisor

Correct Incorrect Correct answer

Question 2 of 62

Category: 4.Patient Care Procedures

The lead apron placed on the patient should extend from?

The throat to top of the chest

Correct Incorrect Correct answer

The neck to center of the stomach

Correct Incorrect Correct answer

The neck to past the genital region and have a thyrocervical collar

Correct Incorrect Correct answer

The chest to stomach

Correct Incorrect Correct answer

Question 3 of 62

Category: 4.Patient Care Procedures

If a radiation operator becomes pregnant, she can submit a Declaration of Pregnancy in order to do what?

Receive more time off for maternity leave

Correct Incorrect Correct answer

Reduce the exposure of everyday radiation to the fetus

Correct Incorrect Correct answer

Reduce the amount of duties performed in a day

Correct Incorrect Correct answer

Receive special treatment while working in the office

Correct Incorrect Correct answer

Question 4 of 62

Category: 4.Patient Care Procedures

Benny is preparing to expose an intraoral radiograph. What type of safety device does he give the patient before beginning?

Lead apron

Correct Incorrect Correct answer

Soft pillow

Correct Incorrect Correct answer

Thyroid collar

Correct Incorrect Correct answer

Nothing at all

Correct Incorrect Correct answer

Question 5 of 62

Category: 4.Patient Care Procedures

A patient needs to be draped in a lead apron that protects the ____ from radiation.

Thyroid

Correct Incorrect Correct answer

Nervous system

Correct Incorrect Correct answer

Heart

Correct Incorrect Correct answer

Head

Correct Incorrect Correct answer

Question 6 of 62

Category: 4.Patient Care Procedures

Randy applies a lead apron to his patient before beginning the procedure. What is the main purpose of the lead apron?

To protect the patient\\\’s gonadal tissue and organs

Correct Incorrect Correct answer

To catch any fallen equipment pieces

Correct Incorrect Correct answer

To keep the patient warm during the procedure

Correct Incorrect Correct answer

To protect the patient\\\’s gastro-intestinal organs

Correct Incorrect Correct answer

Question 7 of 62

Category: 4.Patient Care Procedures

The receptionist reports she is 6 weeks pregnant. The correct action is?

Receive training on radiation safety

Correct Incorrect Correct answer

Avoid handling patient records with x-ray films

Correct Incorrect Correct answer

Notify her supervisor and avoid exposure

Correct Incorrect Correct answer

Wear a dosimeter and monitor her exposure

Correct Incorrect Correct answer

Question 8 of 62

Category: NDAEB WE Mock Exam

State requirements regarding radiation equipment, radiography operator and patient safety varies. Some states require dental offices to submit a radiation safety plan containing what kind of information?

Infection control procedures

Correct Incorrect Correct answer

Office accounting and billing methods

Correct Incorrect Correct answer

Composition of radiation barriers

Correct Incorrect Correct answer

Staff vaccination records

Correct Incorrect Correct answer

Question 9 of 62

Category: 4.Patient Care Procedures

Exposure to high levels of radiation?

Does not pose a definite health risk

Correct Incorrect Correct answer

Poses a definite health risk

Correct Incorrect Correct answer

Cannot be measured

Correct Incorrect Correct answer

Does not need to be reduced

Correct Incorrect Correct answer

Question 10 of 62

Category: 4.Patient Care Procedures

How do rectangular collimators decrease radiation exposure a patient receives?

It only allows for one image per patient

Correct Incorrect Correct answer

It eliminates all radiation

Correct Incorrect Correct answer

It restricts the beam size to the size of the film used

Correct Incorrect Correct answer

It bends the radiation waves upward

Correct Incorrect Correct answer

Question 11 of 62

Category: 4.Patient Care Procedures

Patient safety devices prevent?

Faulty exposures

Correct Incorrect Correct answer

Wrong exposures (taking films of the wrong area)

Correct Incorrect Correct answer

Excessive patient exposure

Correct Incorrect Correct answer

Improper processing

Correct Incorrect Correct answer

Question 12 of 62

Category: NDAEB WE Mock Exam

Which dosimeter can only be reset after it has gone through an annealing process that wipes the device clean?

The optically stimulated luminescence dosimeter

Correct Incorrect Correct answer

The film badge dosimeter

Correct Incorrect Correct answer

The direct reader dosimeter

Correct Incorrect Correct answer

The thermometer dosimeter

Correct Incorrect Correct answer

Question 13 of 62

Category: 4.Patient Care Procedures

Which of the following types of cells are most susceptible to radiation damage?

Bone marrow

Correct Incorrect Correct answer

Skin

Correct Incorrect Correct answer

Muscle mass

Correct Incorrect Correct answer

Hair follicles

Correct Incorrect Correct answer

Question 14 of 62

Category: 4.Patient Care Procedures

What is the purpose of a lead apron?

Keep the patients still during x-rays

Correct Incorrect Correct answer

Give peace of mind

Correct Incorrect Correct answer

Reduce radiation exposure

Correct Incorrect Correct answer

There is no purpose

Correct Incorrect Correct answer

Question 15 of 62

Category: 4.Patient Care Procedures

Collimation in radiology means?

Focusing x-rays in narrow beams on one area to prevent unnecessarily exposing other body parts

Correct Incorrect Correct answer

Processing x-rays in a light-proof environment using an automatic processor

Correct Incorrect Correct answer

Weighing the total diagnostic benefit of radiation exposure to patient risk

Correct Incorrect Correct answer

Determining the amount of radiation exposure

Correct Incorrect Correct answer

Question 16 of 62

Category: 4.Patient Care Procedures

Which of the following is considered a shielding material that can protect the operator from radiation exposure?

Safety goggles

Correct Incorrect Correct answer

Hair nets

Correct Incorrect Correct answer

Lab coats

Correct Incorrect Correct answer

Rubber shoes

Correct Incorrect Correct answer

Question 17 of 62

Category: 4.Patient Care Procedures

The Universal Numbering System assigns a unique number to each tooth, making for easier charting. The right maxillary third molar is designated 1, and the count continues to the patient\’s left.
Whose responsibility is it to make sure ALARA is followed at all times?

The office manager

Correct Incorrect Correct answer

The dentist

Correct Incorrect Correct answer

The patient

Correct Incorrect Correct answer

The dental assistant

Correct Incorrect Correct answer

Question 18 of 62

Category: 4.Patient Care Procedures

At which stage is radiation present its greatest risk during pregnancy?

First trimester

Correct Incorrect Correct answer

Second trimester

Correct Incorrect Correct answer

Third trimester

Correct Incorrect Correct answer

It is always a risk

Correct Incorrect Correct answer

Question 19 of 62

Category: 4.Patient Care Procedures

What is the main purpose for using a lead apron with a thyroid collar when exposing dental radiographs?

To catch excess saliva

Correct Incorrect Correct answer

To protect the patient from infection

Correct Incorrect Correct answer

To hold the patient\\\’s lower neck in place

Correct Incorrect Correct answer

To protect the patient from scatter radiation

Correct Incorrect Correct answer

Question 20 of 62

Category: 4.Patient Care Procedures

Gonadal lead protection covers the?

Chest

Correct Incorrect Correct answer

Back

Correct Incorrect Correct answer

Throat

Correct Incorrect Correct answer

Lower abdomen

Correct Incorrect Correct answer

Question 21 of 62

Category: 4.Patient Care Procedures

Guidelines for wearing a dosimeter includes?

Wearing it while working

Correct Incorrect Correct answer

Wearing it when receiving personal x-rays

Correct Incorrect Correct answer

Sharing it with a co-worker

Correct Incorrect Correct answer

Wearing it at home

Correct Incorrect Correct answer

Question 22 of 62

Category: 4.Patient Care Procedures

The benefits of dental radiation?

Do not exist

Correct Incorrect Correct answer

Only benefit a few people

Correct Incorrect Correct answer

Outweigh the risks

Correct Incorrect Correct answer

Are low

Correct Incorrect Correct answer

Question 23 of 62

Category: NDAEB WE Mock Exam

A dental office has a round collimator on its x-ray equipment. What is the MOST practical action it can take to reduce patient exposure?

Purchase a new x-ray machine

Correct Incorrect Correct answer

Continue to use the round collimator

Correct Incorrect Correct answer

Use the panoramic equipment

Correct Incorrect Correct answer

Purchase a converter to make the round collimator rectangular

Correct Incorrect Correct answer

Question 24 of 62

Category: 4.Patient Care Procedures

Which radiation dose pattern will have the most serious result?

One high dose exposure in one day

Correct Incorrect Correct answer

Two low dose x-rays taken over a period of two weeks

Correct Incorrect Correct answer

One high dose exposure over a period of two weeks

Correct Incorrect Correct answer

One low dose exposure in one day

Correct Incorrect Correct answer

Question 25 of 62

Category: 4.Patient Care Procedures

Which worker(s) need training on radiographic safety? Choose the best answer

Dental assistants who perform chairside duties only

Correct Incorrect Correct answer

Dental assistants who only clean instruments and process x-rays only

Correct Incorrect Correct answer

Dental assistants whose duties include taking x-rays but not processing

Correct Incorrect Correct answer

All dental assistants involved in any aspect of the production of x-rays

Correct Incorrect Correct answer

Question 26 of 62

Category: 4.Patient Care Procedures

The lead apron placed on the patient during a radiograph is there to

Get a better image of the oral cavity

Correct Incorrect Correct answer

Make the patient comfortable

Correct Incorrect Correct answer

Increase body heat

Correct Incorrect Correct answer

Protect the patient\\\’s organs

Correct Incorrect Correct answer

Question 27 of 62

Category: 4.Patient Care Procedures

Administrative controls to ensure operator radiation safety include all of the following EXCEPT for?

Requiring operators to wear dosimeter badges

Correct Incorrect Correct answer

Posting warn signs

Correct Incorrect Correct answer

Having written safety procedures

Correct Incorrect Correct answer

Selecting the proper exposure for a patient

Correct Incorrect Correct answer

Question 28 of 62

Category: 4.Patient Care Procedures

A ____ is necessary for intraoral radiography. It is not needed for extraoral radiography.

C speed

Correct Incorrect Correct answer

Bite block

Correct Incorrect Correct answer

PID

Correct Incorrect Correct answer

Thyroid collar

Correct Incorrect Correct answer

Question 29 of 62

Category: 4.Patient Care Procedures

In a child, which area would be more sensitive to radiation exposure?

Skin

Correct Incorrect Correct answer

Muscular

Correct Incorrect Correct answer

Brain

Correct Incorrect Correct answer

Spinal cord

Correct Incorrect Correct answer

Question 30 of 62

Category: 4.Patient Care Procedures

How do you prevent overexposure?

Use fewer impulses

Correct Incorrect Correct answer

Use longer impulses

Correct Incorrect Correct answer

Use a longer exposure time

Correct Incorrect Correct answer

Adjust the time but not the impulses

Correct Incorrect Correct answer

Question 31 of 62

Category: 4.Patient Care Procedures

What radiation goals should dental operators strive to attain?(RQ)

ALARA

Correct Incorrect Correct answer

MRL

Correct Incorrect Correct answer

mSv

Correct Incorrect Correct answer

REM

Correct Incorrect Correct answer

Question 32 of 62

Category: 5.Patient Care Procedures

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

A thermoluminescent dosimeter

Correct Incorrect Correct answer

A quartz fiber dosimeter

Correct Incorrect Correct answer

A film badge dosimeter

Correct Incorrect Correct answer

A direct reader dosimeter

Correct Incorrect Correct answer

Question 33 of 62

Category: 5.Patient Care Procedures

Collimated x-ray beams?

Focus on a centralized area

Correct Incorrect Correct answer

Are expanded beams that cover entire areas

Correct Incorrect Correct answer

Do not emit radiation

Correct Incorrect Correct answer

Do not have dose controls

Correct Incorrect Correct answer

Question 34 of 62

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

Correct Incorrect Correct answer

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

Correct Incorrect Correct answer

To help relax the patient during the procedure

Correct Incorrect Correct answer

To protect the patient\\\’s cardiac muscles

Correct Incorrect Correct answer

Question 35 of 62

Category: 5.Patient Care Procedures

Current radiation safety guidelines are based on what?

That a little radiation is good for everyone

Correct Incorrect Correct answer

That there is no safe amount of radiation

Correct Incorrect Correct answer

That women are more susceptible than men to radiation damage

Correct Incorrect Correct answer

That children are less likely to be affected by radiation exposure

Correct Incorrect Correct answer

Question 36 of 62

Category: 5.Patient Care Procedures

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

A lead apron across the abdomen

Correct Incorrect Correct answer

Multiple procedure times

Correct Incorrect Correct answer

A thyroid collar across the throat

Correct Incorrect Correct answer

Fast film speed

Correct Incorrect Correct answer

Question 37 of 62

Category: 5.Patient Care Procedures

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

Levels of clinical exposure

Correct Incorrect Correct answer

The brand of equipment use

Correct Incorrect Correct answer

The expertise of the operators

Correct Incorrect Correct answer

Type of x-ray processing used

Correct Incorrect Correct answer

Question 38 of 62

Category: 5.Patient Care Procedures

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

Intraoral radiographs

Correct Incorrect Correct answer

Periapical radiographs

Correct Incorrect Correct answer

Extraoral radiographs

Correct Incorrect Correct answer

Bitewing radiographs

Correct Incorrect Correct answer

Question 39 of 62

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

Correct Incorrect Correct answer

The optically stimulated luminescence dosimeter

Correct Incorrect Correct answer

The film badge dosimeter

Correct Incorrect Correct answer

The luminescent dosimeter

Correct Incorrect Correct answer

Question 40 of 62

Category: 5.Patient Care Procedures

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

She should wear 3 lead aprons

Correct Incorrect Correct answer

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

Correct Incorrect Correct answer

The x-rays do not need to be delayed

Correct Incorrect Correct answer

X-rays will prevent a woman from getting pregnant

Correct Incorrect Correct answer

Question 41 of 62

Category: 5.Patient Care Procedures

Non-stochastic effects are manifest within?

Years

Correct Incorrect Correct answer

Weeks

Correct Incorrect Correct answer

Months

Correct Incorrect Correct answer

Days

Correct Incorrect Correct answer

Question 42 of 62

Category: 5.Patient Care Procedures

Which radiographic component increases thyroid exposure?

Rectangular collimators

Correct Incorrect Correct answer

Round positioning devices

Correct Incorrect Correct answer

Open-ended parallel collimators

Correct Incorrect Correct answer

Beam position guides

Correct Incorrect Correct answer

Question 43 of 62

Category: 5.Patient Care Procedures

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

Follow federal regulations

Correct Incorrect Correct answer

Use slow speed film

Correct Incorrect Correct answer

Place a protective apron over the patient

Correct Incorrect Correct answer

Avoid retakes

Correct Incorrect Correct answer

Question 44 of 62

Category: 5.Patient Care Procedures

What will help limit patient movement during an intraoral exposure?

Headrest

Correct Incorrect Correct answer

Bite block

Correct Incorrect Correct answer

Cotton roll

Correct Incorrect Correct answer

Thyroid collar

Correct Incorrect Correct answer

Question 45 of 62

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

Correct Incorrect Correct answer

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

Correct Incorrect Correct answer

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

Correct Incorrect Correct answer

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

Correct Incorrect Correct answer

Question 46 of 62

Category: NDAEB WE Mock Exam

Quality assurance is

Keeping the dental office clean

Correct Incorrect Correct answer

Using high radiation levels to get a good image

Correct Incorrect Correct answer

Keeping patient exposure low, while getting high-quality images

Correct Incorrect Correct answer

The pursuit of perfect images without safety concern

Correct Incorrect Correct answer

Question 47 of 62

Category: 5.Patient Care Procedures

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

Pocket dosimeter

Correct Incorrect Correct answer

Appropriate PPE

Correct Incorrect Correct answer

Radiation gauge

Correct Incorrect Correct answer

Radiation watch

Correct Incorrect Correct answer

Question 48 of 62

Category: 5.Patient Care Procedures

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

Scalp and neck

Correct Incorrect Correct answer

Lower body

Correct Incorrect Correct answer

Chest and lap

Correct Incorrect Correct answer

Back and shoulders

Correct Incorrect Correct answer

Question 49 of 62

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

Correct Incorrect Correct answer

To wear it on the inside of the lead apron

Correct Incorrect Correct answer

To wear it on the outside of the protective garment

Correct Incorrect Correct answer

To give it to the patient during x-rays

Correct Incorrect Correct answer

Question 50 of 62

Category: 5.Patient Care Procedures

An operator should?

Only wear protective gloves

Correct Incorrect Correct answer

Not wear protective gear

Correct Incorrect Correct answer

Stand next to the patient during an x-ray

Correct Incorrect Correct answer

Never hold a film in place for a patient

Correct Incorrect Correct answer

Question 51 of 62

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

Correct Incorrect Correct answer

To prevent the cross contamination of chemicals

Correct Incorrect Correct answer

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

Correct Incorrect Correct answer

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

Correct Incorrect Correct answer

Question 52 of 62

Category: 5.Patient Care Procedures

What is true about x-rays?

Cause serious medical problems

Correct Incorrect Correct answer

Do not cause any health problems to the patient

Correct Incorrect Correct answer

Cause massive burns on the patients

Correct Incorrect Correct answer

Cause major mouth sensitivity

Correct Incorrect Correct answer

Question 53 of 62

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

Correct Incorrect Correct answer

Stabilize the x-ray tube head while capturing the image

Correct Incorrect Correct answer

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

Correct Incorrect Correct answer

A silver crystal on the radiograph

Correct Incorrect Correct answer

Question 54 of 62

Category: 5.Patient Care Procedures

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

1.1 mrem

Correct Incorrect Correct answer

1.5 mrem

Correct Incorrect Correct answer

4 mrem

Correct Incorrect Correct answer

100 mrem

Correct Incorrect Correct answer

Question 55 of 62

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

Correct Incorrect Correct answer

Unnecessary radiation to the face

Correct Incorrect Correct answer

Increased scattered radiation

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

Question 56 of 62

Category: 5.Patient Care Procedures

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

Smaller head size

Correct Incorrect Correct answer

Abnormally slow growth

Correct Incorrect Correct answer

Larger brain size

Correct Incorrect Correct answer

Mental retardation

Correct Incorrect Correct answer

Question 57 of 62

Category: 5.Patient Care Procedures

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

Panoramic

Correct Incorrect Correct answer

Bitewing

Correct Incorrect Correct answer

Periapical

Correct Incorrect Correct answer

Angular

Correct Incorrect Correct answer

Question 58 of 62

Category: 5.Patient Care Procedures

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

CCOHS

Correct Incorrect Correct answer

CRA

Correct Incorrect Correct answer

FDA

Correct Incorrect Correct answer

CEPA

Correct Incorrect Correct answer

Question 59 of 62

Category: 5.Patient Care Procedures

A common risk for operators who hold dental film is?

Cancer of abdominal organs

Correct Incorrect Correct answer

Radiation damage to skin or burns to the fingers

Correct Incorrect Correct answer

Infertility or harm to reproductive organs

Correct Incorrect Correct answer

Neural or brain damage

Correct Incorrect Correct answer

Question 60 of 62

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

Correct Incorrect Correct answer

Avoiding the radiation room

Correct Incorrect Correct answer

Staying far away from the patient as possible

Correct Incorrect Correct answer

Having another employee stand in front of them

Correct Incorrect Correct answer

Question 61 of 62

Category: 5.Patient Care Procedures

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

To monitor employee radiation exposure

Correct Incorrect Correct answer

To better show the employee name badge

Correct Incorrect Correct answer

To track where the employee goes on the internet

Correct Incorrect Correct answer

To monitor how many steps the employee walks in a day

Correct Incorrect Correct answer

Question 62 of 62

Category: 5.Patient Care Procedures

What helps measure the radiation a technician is exposed to?

Film cassette

Correct Incorrect Correct answer

Film badge

Correct Incorrect Correct answer

Film packet

Correct Incorrect Correct answer

Film holder

Correct Incorrect Correct answer

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NDAEB 5.4 Radiation Safety Part 3

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