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RDA Prep Pt.2 Flashcards | StudBud
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RDA Prep Pt.2
RDA Prep Pt.2
70 terms
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1
When using automated external defibrillator (AED), its important the operator does not have contact with patient during:
Both B and C
The application of pads
The analyze phase
Shock
2
A patient is experiencing a strange smell. This occurs in which phase of a Grand Mal seizure?
Phase 1
Phase 3
Phase 4
Phase 2
3
What can cause paresthesia?
All the Above
Trauma to the nerve
Contaminated anesthetic solution
Bleeding into or around the nerve
4
The council that determines the radiation effects and levels tolerable for humans is the:
American Dental Association (Council on dental Materials)
Nation Council on Radiation Protection and Measurements
All the above are correct
American Dental Association (council on Dental Materials)
5
The type of restoration that requires finishing burs as well as sandpaper disks to finish and polish is:
Amalgam
Stainless steel
Gold
Esthetic Materials
6
For a film to be properly processed, it should be left in a fixer solution, at full strength for:
2 minutes
5 minutes
30 seconds
1 minute
7
During four handed dentistry, the operator must have:
A comfortable stool with a footrest
Easy access to patient’s oral cavity
Easy access to instruments
Easy access to computer
8
During a Grand Mal seizure, a loss of consciousness and a brief period of generalized rigidity of muscles is phase:
4
3
1
2
9
All the following are true regarding the transfer of dental images except:
The originals are sent
The dentist should be informed of the patients request
A reasonable fee may be changed
When and where the images were sent need to be recorded
10
When film emulsion interacts with x-rays, the result is:
A visible distortion
A latent image
None of the above
A distorted light source
11
Which of the following statements is true concerning the structure of the atom?
The nucleus contains protons and electrons
Electrons have no weight or mass
Electrons are unstable in their orbits and shift freely
The orbital path of the nucleus is called an electron shell
12
The color code system anesthetic carts allow to select the correct solution by distinguishing the correct _ of solution
Brand
Ratio and Brand
Ratio
Induction Time
13
The portion of the X-ray machine that supplies the electrons to produce x-rays is the:
Cathode
Focusing cup
Control panel
Anode
14
Automatic film processing requires _____ than manual film processing does.
More space
More time
More equipment
Less equipment
15
The process of informing the patient about the nature and purpose of dental imaging is termed:
Respondeat superior
Disclosure
Informed consent
Quality control test
16
Chronic radiation exposure occurs when _____ dose of radiation is received over a _____ time period.
Small; small
Small; long
Large; long
Large; short
17
The instrument exchanged used to transfer surgical instruments is a:
Palm Grasp
Two handed instrument exchange
Reverse Palm- thumb grasp
Single-handed instrument exchange
18
Which technique can be used in a situation such as a small mouth, shallow palate or the presence of tori?
Paralleling technique
Bitewing technique
Bisecting technique
Long-cone technique
19
A _____- shaped diamond rotary instrument provide access to the pulp chamber.
Flame
Cylinder
Wheel
Round
20
One reason for a lighter than normal radiograph is the:
Developer solution is too warm
Film was not properly rinsed
Developer solution is too weak
Fixer solution is too weak
21
A porcelain adjustment is made with a _____ handpiece.
High speed
Laser
Ultrasonic
Low speed
22
Quality assurance is a way of ensuring to produce high-quality diagnostic images and includes quality:
Control tests
Administration procedures
Control of dental staff credentials
Both A and C are correct
23
An example of cumulative radiation exposure is:
Cataracts
Creator
All the above
Leukemia
24
A(n)____ is a minute bundle of energy that has no weight or mass
Atom
Photon
Electron
Ion
25
Air abrasion handpieces are most effective when sued for:
Both A and B
Crown preparations
Sealants
External stain removal
26
One of the earliest signs of overexposure to x-rays may be:
Loss of hair
Blindness
Keratosis
Erythema
27
The air abrasion technique uses highpressure delivery of _particles through a small probe to remove tooth structure.
Tin Oxide
Aluminum Oxide
Zirconium silicate
Silicon Carbide
28
In a tray setup, the instruments placed the farthest to the left are _____ instruments.
Restorative
Additional examination
Basic setup
Hand cutting
29
_______ hardens the film emulsion during film processing
Rinsing
Developing
Fixing
Washing
30
Dental hand instruments:
Are made from stainless steel to withstand sterilization
Are also referred to as rotary instruments.
Are always referred to by number and never by name.
Must be able to withstand sterilization procedures.
31
Incorrect horizontal angulation of the PID results in:
Foreshortening
Overlapped contact areas
Elongation
Blurred images
32
A good technique for reducing the radiation exposure to both patient and operator is the use of:
An automatic processor
A lead apron
Fats film or digital imaging
Thinner films
33
The dental assistant exposing a periapical film sensor using the paralleling technique should always start with the:
Upper teeth
Molars
Anterior teeth
Lower teeth
34
Which of the following statements is true regarding federal and state regulations on the use of dental x-ray equipment?
Most states have laws require inspections of dental x-ray equipment
Theuseof dental x-ray equip is regulated by federal but not stat regulation
The federal government requires x-ray machines to be registered
Dental x-ray machines in the United States1934must meet federal regulations
35
One advantage of nitrous oxide in the dental setting is that:
Special training is not required for the dentist and dental assistant
The services of anesthetist or other special personnel are not necessary
Induction and recovery are slow, which is an advantage in long procedures
The patient is rendered unconscious
36
A finishing bur has_ blades on the working end because it is used for final stage polishing of a restoration.
The same number of
More
Fewer
37
An intraoral full mouth survey on an adult consists of _____ images.
4
4 anterior images and 8 posteriors
18-20
10 Periapical and 2 bitewings
38
The finger rest that stabilizes the hand so less possibility of slipping or traumatizing the tissue in the mouth is :
Base rest
Leverage point
Pivot point
Fulcrum
39
The parts of a rotary instrument are the:
Handle, shank, and nib
Stem and cutting tips
Latch and grip
Shank, neck, and head
40
Medical history indicates the patient has angina. Which medication is the patient likely to have?
Dilantin
Bronchodilator (Inhaler)
Nitroglycerin
Insulin
41
An allergy is an altered state of reactivity in body tissues in response to specific:
Antigens
Anaphylaxis
Erythema
Antibodies
42
The ideal fulcrum position should be:
All the above
On the same arch that is being worked on
As close to the working area as possible
In the same quadrant that is being worked on
43
Following removal of an exposed film or PSP from a patient’s mouth, the film/PSP should be:
Rinsed off in the sink and placed in an ultrasonic cleaner
Sterilized in a heat sterilizer
Wiped free of saliva using a dry 2x2 inch gauze sponge or paper towel
Immersed in disinfection solution
44
The use of dental images includes the detections of:
Incipient occlusal lesion
Bone loss in its early stages
Percussion sensitivity as part of endodontic evaluation
Periodontal probing depths
45
A loss of consciousness caused by a lack of oxygen to the brain is:
Hyperventilation
Syncope
Both B and C
Fainting
46
The three specific parts of hand instruments are the:
Handle, angle, and end
Shank, angles, and blade
Handle, shank, and working end
Point, blade, and nib
47
A short acting local anesthetic agent can last ____ minutes.
120 to 240
240 to 540
20 to 45
60 to 180
48
CPR differs slightly in adults versus children and infants because of:
Both A and B
None of the above
Body size
Amount of oxygen needed
49
Instruments with hinges are:
Transferred with the handles in the assistant’s palm’s
Transferred by directing the handles into the dentist’s palms
Both B and C
Held by the working end by the assistant during instrument transfer
50
All the following are goals of team dentistry, or four-handed dentistry, except to:
Minimizing stress and fatigue during dental procedures
Cause back pain and muscle aches
Follow motion economy during instrument transfer
Use moisture control techniques to improve visibility of the work field
51
The maximum permissible dose for an occupational worker for an individual 18 years of age or older is __ rem/year.
1.25
0.3
5
3
52
A high- speed handpiece can reach how many rotations per minute (RPM)?
300,000
250,000
100,000
450,000
53
The term applied to all rotary instruments that have a sharp cutting head is:
Finishing stone
Bur
Wheel
Diamond
54
Intravenous sedation:
May be preformed by any dentist, without additional training
May be monitored by a certified dental assistant
Requires measurements of the patient’s height for dose determination
Is not permitted for children as a part of the scope of dental practice
55
Heat is reduced from the target by:
Both A and B
Insulating oil
Copper stem
Aluminum filter
56
The medication a patient with asthma typically has with them is:
Insulin
Valium
Bronchodilator (Inhaler)
Nitroglycerin
57
_anesthesia frequently used on the man teeth that numbs the entire area served by the nerve branch.
Innervation
Infiltration
Block
Induction
58
Solutionsshould have been changedin the processor 1 weekago. Continuingto use exhausted developer will result in _films.
Clear
Light
Dark
White
59
If the patient does not have the use of his or her upper limbs, and a film sensor holder cannot be use you should:
Ask the patient’s caregiver to assist in holding the film sensor
Do none of the above
Hold the film sensor and ask the caregiver to press the exposure button
Hold the film sensor in the patients mouth
60
The instruments most often referred to by number rather than by name are:
Pliers
Both A and B
Forceps
Amalgam carvers
61
What nerve is anesthetized for tooth # 31?
Incisive nerve
Anterior superior alveolar nerve
Buccal nerve
Inferior alveolar nerve
62
One of the most convenient and efficient ways to organize instruments and supplies for a specific procedure is use of
Trays
Autoclave bags
Storage tubs
A color-coding system
63
Who should hold the film in the patients mouth if the patient is unable to do so?
Assistant
Dentist
Parent or relative of the patient
Receptionist
64
The most frequently used form of pain control in dentistry is:
Topical anesthesia
Inhalation sedation
Local anesthesia
General anesthesia
65
The sharpness of a radiographic image can be improved by:
Faster speed film
Movement of the patient
Smaller fil crystal size
A larger focal spot size
66
Secondary radiation:
A form of radiation that occurs when an x-ray beam had been deflected
Refers to x-radiation thats created when the pri beam interacts with matter
Is often to as the useful beam
Is often referred to as the primary beam
67
Dental imaging:
Refers to film-based images
Is all the above
Refers to digitally produced images
Detects condition that might otherwise remain undetected
68
Which seizure associated with epilepsy last 2 to 5 minutes, causes unconsciousnes, makes body jerk, twitch, and stiffen?
Petite Mal seizure
Simple partial seizure
Complex seizure
Grand Mal seizure
69
When the master switch is on:
All the above
X-rays are being produced
The red emission light will illuminate
The electron cloud is emitted
70
Restorative burs are made from what material?
Titanium
Gold
Tungsten Carbide
Stainless steel