Dental Assisting Assignment

Which group identifies the restored teeth shown in the radiograph (Universal numbering system)?

A. #14, #13, #18, #19

B. #16, #15, #17, #18

C. #11, #13, #29, #30

D. #14, #13, #19, #20

A

Instruments, equipment, and dental materials should be passed in the ________ zone.

transfer

The narrowing of blood vessels caused by epinephrine in a local anesthetic is called:

A. Syncope

B. Hyperventilation

C. Vasoconstriction

D. Vasodilation

C

True or False: An ultrasonic cleaner is used before sterilization to remove debris and reduce bioburden.

True

True or False: In the crown of a tooth, dentin is the layer immediately beneath the enamel.

True

The mental foramen is located on the _____ _______ __ ___ ________.

outer surface of the madible

The ______ ___ completely isolates a tooth and helps keep the area dry during a restorative procedure.

dental dam

The unattatched edge of gingival tissue is called the ____ _______.

free gingiva

In the charting convention shown in the review, red represents ______ __ __ ____.

things to be done

A tooth that fails to erupt fully into the oral cavity is described as ________.

impacted

The item of personal protective equipment put on last before patient care is ______.

gloves

________ _____ are used for grinding, shaping, and polishing dental materials.

dental burs

When the dentist is physically present while an assistant performas an expanded function, this is called ______ supervision.

direct

A material used to resist penetration of radiation is ____.

lead

The evacuation device most effective for reducing aerosols during treatment is a ___.

HVE

The lead __________ restricts the size of the x-ray beam.

collimator

A personal _________ badge measures occupational radiation dose.

dosimeter

The area where a tooth physically touches an adjacent tooth is the _______ ____.

contact area

Narrowing of blood vessels caused by the epinepherine is called ______________.

Vasoconstriction

TMJ stands for _______________ _____.

temporomandibular joint

The surface of an anterior tooth facing the lips is the ______ surface.

labial

A carious area generally appears more _________ than healthy enamel on a radiograph.

radiolucent

Alginate is an irreversible hydrocolloid commonly used for _______ impressions.

initial/temporary

The acid commonly used to etch enamel for a composite restoration is _________ acid.

phosphoric

The skull bone that moves at the temporomandibular joints is the _________.

mandible

During preparation of tooth #30 with a right-handed dentist, the HVE can help retract the:

A. Tongue

B. Teeth

C. Gingiva

D. Lips

A

Which term is classifies as noncritical?

A. Mouth mirror

B. Dental bur

C. X-ray tubehead

D. Intraoral digital sensor

C

Alginate is generally used for:

A. Permanent restorations

B. Prelimimary impressions

C. Definitive crown impressions

D. Enamel etching

B

Which radiograph is best for examining the apex of a tooth?

A. Bitewing

B. Occlusal

C. Panoramic

D. Periapical

D

What helps prevent slipping and tissue trauma when using a hand instrument?

A. A stable fulcrum

B. Using a lever

C. Direct vision alone

D. Indirect vision alone

A

Which is a routine dental assistant responsibility?

A. Diagnosing disease

B. Prescribing medication

C. Preparing the operatory for the next patient

D. Independently administering local anesthstic

C

Nitrous oxide inhalation sedation uses nitrous oxide mixed with

A. Helium

B. Oxygen

C. Nitrogen

D. Carbon dioxide

B

Which radiation is an occupational exposure concern in dental radiography?

A. Visible light

B. Infrared from room lamps

C. Ultraviolet from room lamps

D. Scattered radiation

D

In four-handed denistry, instruments are passed in the:

A. Static zone

B. Operator zone

C. Transfer zone

D. Assistant zone

C

To stabalize an instrument and prevent slipping, use a _______.

fulcrum

The ______ artery supplies blood to the head and neck.

carotid

The State Board of ______ approves rules and implements changes to the Dental Practice Act.

Dentistry

Dental articulators simulate _____ movements.

jaw

Use ________ paper to evaluate occlusal contacts on a new restoration.

articulating

To prevent bitewing overlap, direct the central ray through the _________ areas.

interproximal

For multiple appointments, first offer the same ______ and ______ each week.

day of the week and time

The process that destroys all microorganisms, including bacterial spores, is ________.

sterilizing

Dispose of used needles in approved _____ containers.

sharps

Use an ______ syringe to help keep the mouth mirror clear or debris.

air-water

Replace the barrier and disinfect the digital radiographic ______ ______ according to manufacturer directions.

recepter sensor

The _____ papilla is lingual to the macillary central incisors

incisive

Use a laboratory _____ to reduce air bubbles when pouring a cast.

vibrator

In six-handed dentistry, the second assistant is the ______ assistant.

circulating

The indicated tooth number and surface is

A. #14 Mesial

B. #19 Mesial

C. #30 Distal

D. #3 Distal

C

With the bisecting technique, insuffient vertical angulation makea the image appear:

A. cone cut

B. englongated

C. overlapping

D. foreshortened

B

The tissues most sensitive to radiation are

A. thyroid and reproductive cells

B. bone and salivary glands

C. kidney and nerves

D. skin and oral mucosa

A

HIPAA requires a written privacy policy stating that the office will ise of disclose protected health information only for specifc purposes such as

A. research, diagnosis, and billing

B. research, marketing, and billing

C. treatment, marketing, and diagnosis

D. treatment, diagnosis, and billing

D

A patient who has been examined, diagnosed, and given a treatment plan by a dentist is considered a

A. patient of record

B. specialty patient

C. transferred patient

D. dismissed patient

A

When anesthetizing the maxillary anterior arch, the dentist will typicaly use a ____ needle.

A. long

B. thick guage

C. short

D. bent

C

The extraoral radiographic projection that demonstrates the bones of the face and skull as well as the soft tissue profiles of the face is a/an __________ x-ray.

A. lateral

B. tomographic

C. occlusal

D. cephalometric

D

While cleaning the dental laboratory, the assistant prepares to disinfect the equipment used to fabricate a patient’s crown. What type of disinfectant should be used?

A. soap and water

B. alcohol gauze

C. low level

D. intermediate level

D

The circled image indicates what surface of the tooth?

A. occlusal

B. lingual

C. facial

D. buccal

A

Hazard communication training teaches employees about the risks of ______________.

A. hazardous chemicals

B. appointment scheduling

C. tooth numbering

D. insurance billing

A

Use a matrix during a restorative procedure to…?

A. create a temporary interproximal wall

B. control moisture

C. correct a slope

D. be used as a wedge for cementing

A

An example of a portal of entry into the body is

A. dental instrument

B. a break in the skin

C. hand washing

D. tooth enamel

B

An opening in the bone which blood vessels and nerves pass is a ______.

foramen

HIV and hepatitis B infections are caused by ______.

viruses

For routine four-handed dentistry, the patient is generally placed in the ______ position.

supine

The radiolucent, air-filled space above the maxillary posterior teeth is the maxillary _____.

sinus

The teeth known as the “cornerstones of the dental arch” are the _______.

canines

Hand instruments are arranged on a treatment tray according to their _______ __ ___.

order of use

A patient’s personal and medical information must be kept ____________.

confidential

An endodontist commonly performs ____ _____ therapy.

root canal

True or False: Gloves and a face shield alone provide all necessary PPE for evey dental laboratory task.

False

True or False: Biological monitoring uses resistant spores to assess sterilization effectiveness.

True

True or False: Informed consent includes explaining the risks and benefits of the proposed procedure.

True

True or False: In the universal numbering system, the madibular right primary lateral incisor is Q.

True

A patient has a history of cardiac disease. what information should the dentist review before selecting a local anesthetic and deciding whether to use a vasoconstrictor?

Disease severity, stability, and current medications

Why should the dentist review a patient’s cardiovascular history before using gingival retraction cord containing epinephrine?

It can cause a spike in heart rate and blood pressure.

The dental specialty involving surgical treatment of diseases, injuries, and defects of the mouth, jaws, and face is ____ ___ ______________ _______.

oral and maxillofacial surgery

The movable lower jaw bone is the _______.

mandible

Incorrect horizontal angulation can cause __________ of adjacent tooth contacts on a radiograph.

overlapping

Compared with healthy tooth structure, a carious area usually appears more ___________ on a radiograph.

radiolucent

The narrowing of blood vessels caused by epinephrine is called ________________.

vasoconstriction

The leaf collimator restricts the ____ of the x-ray beam.

size

The badge used to monitor an occupational radiation dose is a ___________.

dosimeter

A space between two adjacent teeth is called a _______.

diastema

True or False: An emergency eyewash station allows prompt flushing of the eyes after a hazardous chemical splash.

True

True or False: A cone cut error can occur when the x-ray beam fails to cover the entire image receptor.

True

True or False: A patient’s health history should be reviewed at each appointment.

True

True or False: In the Universal Numbering System, the permanent maxillary left first molar is tooth #14.

True