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WorksheetsRDA 3rd Test
Total questions: 52
Worksheet time: 52mins
Protective clothing worn during patient treatment should:
Be changed if visibly soiled or as soon as feasible if contaminated by blood.
Cover personal clothing and skin likely to be exposed to blood, saliva, or OPIM
Remove before leaving the treatment area
All of the above
The following conditions DOES NOT harbor bacteria that could lead to contamination:
rings or other hand jewelry
short nails
chipped nail polish
artificial nails
Which is the appropriate amount of time to flush the high speed handpiece between patients?
20-30 seconds
30-40 seconds
50-60 seconds
60-70 seconds
A sharps container is:
White, puncture resistant , marked for biohazard, closable.
Red, puncture resistant, marked for biohazard, closable.
White, marked for biohazard, puncture resistant, and non-closable.
Red, marked for biohazard, puncture resistant, and non-closable.
When recapping a needle, which of the following should be used?
Two-handed scoop method
one-handed scoop method
it doesn't matter
one person holds the cap white the other caps it
When should the DHCW (DENTAL HEALTHCARE WORKER) change gloves?
When punctured
When blood stained
When wet
When gloves come in contact with saliva
Acceptable methods of sterilizatrion include:
Steam autoclave
Chemical vapor
Dry Heat
All of the above
Flash Sterilization is used for:
Routine sterilization
Sterilization of wrapped instruments for future use
Sterilization of wrapped instruments for immediate use
Sterilization of unwrapped instruments for immediate use.
Which of the following is necessary for use of chemical vapor sterilization?
Longer sterilization time
Adequate ventialiation
Higher temperature
Articles to be sterilized must be wet.
The use of physical or chemical means to remove, inactivate or destroy pathogenic microorganisms on a surface or item of the extent that they are no longer capable of transmitting infectious disease, the surface or item is rendered safe for handling use, or disposal.
Sterilization
Decontamination/disinfection
Aseptic technique
Antiseptic.
Who may administer deep sedated/general anesthesia to a patient in the dental office:
Licensed dentist with training and permit, registered nurse anesthetist, or surgical anesthesiologist.
A registered dental assistant under direct supervision of either a licensed dentist, a certified nurse anesthetist, or a surgical anesthesiologist
Only an oral surgeon
None of the above.
A requirement for obtaining certification to perform pit & fissure sealants is to have completed a minimum of 16 hours of clinical/didactic training which must include:
CPR, algebra, sterilization techniques
Perio, microbiology, and infection control
Infection control, ethics and application of pit and fissure sealants.
Radiology, microbiology, and CPR.
Which of the following procedures cannot be delegated to a dental assistant?
Positioning and exposing dental radiographs
Delivery and adjustments to a finished partial
Assisting dentist chairside during patient treatment.
Any reversible procedure that does not violate one of the rules of the Dental Practice Act.
Under what Circumstances may a licensed dentist delegate a dental assistant to use a rubber prophylaxis cup and polishing material on a patient's teeth?
For the purpose of removing extrinsic enamel stains
To prepare the smooth surface of the tooth for sealants; cleanse the tooth surface prior to bonding orthodontic brackets.
Removing calculus
To remove plaque formation above and just below the gingival.
The board may adopt and enforce rules necessary to
Perform its duties; ensure compliance; examine applicants for license.
Act as general supervision for dental assitant
Monitor who a dentist may hire
None of the above.
A dentist May delegate to a dental assistant which of the following procedures:
(Delegate:a person sent or authorized to represent others, in particular an elected representative sent to a conference.)
Removal of calculus
Comprehensive examination
Cutting of hard or soft tissue
Processing of dental x-rays
Under direct supervision is defined in the occupation code as the dentist does not need to be in the building when delegating duties.
True
False
Both
Neither
Consent for release of privileged information must be:
Verbal
Signed by the patient or legal guardian
Nothing has to be signed
Must be signed by an attorney
Disinfection is the partial elimination of active growth stage bacteria and the inactivation of some viruses.
True
False
Both
Neither
A visual dental health inspection is performed (by):
A dentist only
A registered dental assistant
By a dental using a mouth mirror and exploxer
Can be performed by a DHCW (Dental Health Care Worker) using only a tongue depressor and light.
The dentist is responsible for any delegated act.
(Delegate:a person sent or authorized to represent others, in particular an elected representative sent to a conference.)
True
False
Both
Neither
The image sharpness on a processed radiograph is termed?
Detail
Sharpness
Radiolucent
Collimation
Another name for Anode is ?
Cone head
Target
Cathode
Time control
A non-critical surface that does not penetrate tissue, but requires the use of barriers to prevent cross-contamination, includes the :
Anode
Exposure control
Film placement instruments
Bite block
How are x-rays produced?
Sudden stopping of slow speed electrons
High speed electrons increasing speed
Sudden stopping of high speed electrons as they collide with a target
Sudden stopping of slow speed electrons as they collide with a mirror.
The following states are true about panoramic x-rays EXCEPT:
Are helpful in detecting temporomandibular joint disorders.
Produce enlarged image that is more accurate than a full-mouth series.
Most often used in conjunction with posterior bitewings
Used to detect impactions, supernumerary, and unerupted teeth
The benefits of digital radiography include:
Reduction of radiation exposure for the patient.
Reduction in storage space
Greater diagnostic capability and high resoulution with color enhanced image quality.
All of the Above.
Exposure to radiation can best be reduced for the patient by?
Decreasing the vertical angulations
Increasing the horizontal angulation
Use of F speed film
Using film holding devices
Which of the following anatomical structures would appear radiopaque on a processed radiograph?
Pulp
Enamel
Sinus
Foramen
Using the "F" speed film can reduce the radiation exposure to the patient by:
25%
50%
75%
100%
On a processed radiograph, dental caries appear as:
Radiolucent
Radiopaque
Overlapped
Cone Cut
The varying shades of gray on a processed radiograph is termed:
Contrtast
Definition
Detail
Radiolucent
Taking every prudent measure or precaution to prevent occupationally and non-occupationally exposed persons from excessive radiation refers to which concept?
Maximum permissible dose(MPD)
Biologically exposed
As low as reasonably achievable
Absorbed dose
To reduce cross-contamination, the most appropriate way to store exposed radiographs prior to processing is in:
Operatory drawers
Lab coat pockets
Darkroom cupborads
Disposable cups
Whether using the manual or automatic processing techniques, improper handling can result in:
Films sticking together
Overdeveloped films
Under fixed films
Film fogging
A herringbone or tire track pattern on a radiograph is a result of:
Insufficient vertical angulation
Film bending
Excessive horizontal angulation
Incorrect film placement
Two major types of dental examinations are:
Intraoral and cancer screen
Intraoral and extraorally
Extraorally and cancer
Extraorally and panoramic
The collar on a lead apron reduces the dose of radiation to the:
Reproductive organs
Thyroid
Submandibular gland
Parotid gland
The image sharpness on a processed radiograph is termed
High subject contrast
Low subject contrast
Detail
Contrast
The purpose of this film is to record a major portion of the maxilla or mandible on one film:
Periapical
Occlusal
Panoramic
Bitewing
The purpose of this film is to record the entire tooth including 4 mm of bone surrounding the apical areas:
Panoramic
Occlusal
Bitewing
Periapical
Extraoral films include which of the following:
PA Skull
Water's View
Panoramic
All of the Above.
Darkroom infection control guidelines may include:
Barriers placed on counters tops
Change gloves or use overgloves
After all films are in the processor wash and dry hands
All of the above
The technique of choice when utilizing the rinns is
Paralleling Technique
Bisecting Angle Technique
Both A and B
None of the above
Some of the advantages of digital radiographs include:
Instant Viewing
Radiation exposure to the patient
Both
Neither
The embossed dot should face up when mounting
True
False
None
Maybe
The beam of radiation for an panoramic radiograph is a narrow slit.
True
Maybe
False
Neither
The dental assistant is solely responsible for any acts or procedures performed in the dental office.
True
False
Maybe
Neither
The board can refuse to issue a license to a person who has been convicted of a felony.
True
False
Maybe
Neither
The term"reversible " means
Unable to be reversed or corrected
May only be performed under direct supervision of a licensed dentist
Able to be reversed or corrected
May be performed by non-registered dental assistant.
How many teeth are in a Permanent Mouth?
24
30
32
10
How many teeth are in a Primary Mouth?
10
21
20
19
