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126 Cards in this Set
- Front
- Back
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Which of the following is not an ADA recognized specialty? Endo, prostho, cosmetics, oral surgery
|
Cosmetics
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|
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An extracoronal restoration that covers or veneers the outer surface of a clinical crown is called…
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Crown
|
|
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What is the advantage of having a nitrolingual pumpspray (nitroglycerine lingual spray) in the office emergency kit rather than nitroglycerine tablets?
|
Longer shelf life
|
|
|
To decrease the possibility of an emergency in the dental office, the first line of defense for the doctor and staff is..
|
Adequate past medical history of the patient
|
|
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A 32y/o female with a history of type I diabetes mellitus becomes unconscious in the dental chair. She is hypothermic, thachycardic and perspiring. What is the correct diagnosis and treatment for her emergency situation
|
Hypoglycemia - give sublingual cake icing
|
|
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When treating an asthmatic patient, the most likely time to exacerbate an attack is: a) During and immediately after administration of local anesthesia b) during an endodontic process c) during a surgical procedure d) a and c e) a, b, and c
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E
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All of the following are performed in the hyperventilation syndrome except: a) terminate all dental treatment b) remove foreign bodies from mouth c) position patient in chair in supine position d) attempt to verbally calm the patient
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c - position patient chair in supine position
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|
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What is the most common cause of transient loss of consciousness in the dental office?
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Vasovagal syncope
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|
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To bring up the CMS screen in salud, what do you hit?
|
White tooth
|
|
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Where is all the dental and medical information for a patient stored in Salud?
|
EDR Screen + Blue Tooth
|
|
|
You are entering information for a patient in Salud. You get the following prompt, "You are currently editing this episode plan." What do you need to do in order to proceed?
|
Save
|
|
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When True or false: when you are in the clinic, it is acceptable to wear your gown outside the clinic area
|
0
|
|
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Which of the following is a critical error in clinical competency? A) wearing gloves to dispensing B) not covering headrest C) not achieving at least 80% D) not covering light handle
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A - wearing gloves to dispensing
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|
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T or F: surgical magnification can facilitate optimal ergonomic balance if properly selected and adjusted
|
T
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|
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For optimal positioning, the dental assistant's eyes should be __ inches above the operator's eyes
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Five
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|
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Operator posture should be maintained in the __ position throughout daily activities to reduce ergonomic injuries
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Neutral
|
|
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The ideal distance between the operator's eyes and the patient's mouth is ___ inches
|
14
|
|
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T or F: the operator stool should be positioned so that the operator's knees are above the level of the hips
|
0
|
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All of the following are basic principles of four handed dentistry except: A) equipment designed to minimize unnecessary motion b) team and patient sesated comfortably in ergonomically designed equipment c) dentist assigns all legally delegable duties to a qualified auxiliary d) patient treatment is not planned in advance in a logical sequence
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D - patient treatment is not planned in advance in a logical sequence
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|
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Elimination, combination, rearrangement, and simplification are all examples of:
|
Work simplification
|
|
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What are the 4 categories of 4 handed dentistry?
|
Work simplification, Motion economy, Classification of motion, Zones of activity
|
|
|
What is rearrangement in work simplification?
|
Relocate equipment that causes excess reaching close to the transfer zone
|
|
|
What is motion economy?
|
The way energy can be conserved and strain on the body reduced by modifying specific motions
|
|
|
How should instruments be arranged?
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In the order they will be used
|
|
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The most energy is expended in which type of motion? (I, II, III, IV?)
|
IV
|
|
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Movement of fingers, wrist and elbows are which type of motion? (I, II, III, IV?)
|
III
|
|
|
The position for a right handed operator between 7 and 12 o'clock is what zone?
|
Operating
|
|
|
What zone is a good place to keep the curing light?
|
Static
|
|
|
The area over the patient's chest is what zone?
|
Transfer
|
|
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Which of the following are true regarding assistant positioning? A) The stool is positioned as close to the patient's chair as possible B) The front edge of the stool, or the assistant's knees, are nearly even with the patient's mouth C) When seated, the assistant's eye level is 4 to 6 inches higher than the operator's eye level D) Maintain a relatively straight back and neck E) All of the above
|
E
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|
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Which of the following are guidelines for patient positioning? 1) Elbows close to side of body 2) Back should be straight 3) The distance from the operator's eyes to the patient's mouth should be approximately 10 inches 4) Eyes should remain focused on the treatment site 5) Keep the neck neutral A) 1 and 2 only B) 1, 2, 3, and 4 only C) 1, 2, 4, 5 only D) 2, 3, 4, 5 only E) 1, 2, 3, 4, 5 only
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C - distance from operator's eyes to the patient's mouth should be 14 inches
|
|
|
The thumb, index and middle finger are A) delivery or B) pick up portion of the hand?
|
A - delivery
|
|
|
The ring and little finger are considered the A) delivery or B) pick up portion of the hand?
|
B - pick up
|
|
|
All instruments should be placed with a ___ inch radius from the assistant's hand
|
20
|
|
|
T or F: in the state of Nevada a dental assistant may apply topical anesthetic in any form except aerosol
|
T
|
|
|
AccordingT or F: according to the NRS dental assistants may apply pit and fissure sealant to the dentition for the prevention of decay, WITHOUT being checked and approved by supervising dentist before dismissal of the patient from the office of the dentist
|
F
|
|
|
Which of the following are legally delegable duties to dental assistants in Nevada? 1) Remove excess cement from cemented restorations and ortho applicanes 2) Remove soft plaque and stain from exposed tooth surfaces using an appropriate rotary instrument w/ rubber cup or brush 3) Apply pit and fissure sealant to dentition for the prevention of decay 4) Place or remove a rubber dam/accessories
|
All of the above
|
|
|
Know which pictures are the 1) Transthorax 2) Split-unit/cabinet 3) Rear delivery systems.
|
|
|
|
If you must store an alginate impression, what is the best method?
|
Wrap it in a damp paper towel and place it in a plastic bag
|
|
|
Which of the following is not an ADA recognized specialty? Endo, prostho, cosmetics, oral surgery
|
Cosmetics
|
|
|
What is the largest component of set dental hydrocolloid impression material?
|
Water
|
|
|
An extracoronal restoration that covers or veneers the outer surface of a clinical crown is called…
|
Crown
|
|
|
What is the advantage of having a nitrolingual pumpspray (nitroglycerine lingual spray) in the office emergency kit rather than nitroglycerine tablets?
|
Longer shelf life
|
|
|
The exudation of a liquid film on the surface of dental irreversible hydrocolloid impression material is:
|
Syneresis
|
|
|
T or F: Dental reversible hydrocolloid (agar) gelation occurs through chemical reaction
|
F
|
|
|
To decrease the possibility of an emergency in the dental office, the first line of defense for the doctor and staff is..
|
Adequate past medical history of the patient
|
|
|
In order to prevent your patient from gagging while taking an alginate impression, what do you do?
|
Use warm water to mix with the alginate powder only
|
|
|
A 32y/o female with a history of type I diabetes mellitus becomes unconscious in the dental chair. She is hypothermic, thachycardic and perspiring. What is the correct diagnosis and treatment for her emergency situation
|
Hypoglycemia - give sublingual cake icing
|
|
|
When treating an asthmatic patient, the most likely time to exacerbate an attack is: a) During and immediately after administration of local anesthesia b) during an endodontic process c) during a surgical procedure d) a and c e) a, b, and c
|
E
|
|
|
What is NOT an advantageous property of alginate? A) High flexibility B) High dimensional stability C) good wettability D) short setting time
|
B - high dimensional stability
|
|
|
What is the retarder in the setting reaction of alginate impression material?
|
Sodium phosphate
|
|
|
All of the following are performed in the hyperventilation syndrome except: a) terminate all dental treatment b) remove foreign bodies from mouth c) position patient in chair in supine position d) attempt to verbally calm the patient
|
c - position patient chair in supine position
|
|
|
What is the most common cause of transient loss of consciousness in the dental office?
|
Vasovagal syncope
|
|
|
The taking up of liquid by a gel resulting in swelling is known as…
|
Imbibition
|
|
|
To bring up the CMS screen in salud, what do you hit?
|
White tooth
|
|
|
Which of the following increases the tear strength of alginate? A) remove the impression from the mouth slowly B) remove the impression immediately once the alginate is no longer tacky C) increase the water/powder ratio d) remove the impression from the mouth quickly
|
D
|
|
|
Where is all the dental and medical information for a patient stored in Salud?
|
EDR Screen + Blue Tooth
|
|
|
What is added to the alginate powder to prevent silicate particles from forming a solid aerosol during measuring and mixing and inhaled into the lungs?
|
Glycol
|
|
|
You are entering information for a patient in Salud. You get the following prompt, "You are currently editing this episode plan." What do you need to do in order to proceed?
|
Save
|
|
|
If your gympsum cast appears rough and chalky with a powdery surface, this condition is likely caused by A) inadequate cleaning of saliva from the impression B) improper gpsum water/power ratio (too high) C) excess water left in impression after rinsing D) all of the aboveqD - all of the above
|
|
|
|
When True or false: when you are in the clinic, it is acceptable to wear your gown outside the clinic area
|
0
|
|
|
What provides the crosslinking of alginate fibrils and gelation of irreversible hydrocolloid?
|
Calcium
|
|
|
Which of the following is a critical error in clinical competency? A) wearing gloves to dispensing B) not covering headrest C) not achieving at least 80% D) not covering light handle
|
A - wearing gloves to dispensing
|
|
|
Which of the following is an accelerator for the setting of dental stone? A) blood B) potassium sulfate C) Saliva D) Borates
|
B
|
|
|
T or F: surgical magnification can facilitate optimal ergonomic balance if properly selected and adjusted
|
T
|
|
|
Higher than recommended water/powder ratios for mixing dental stone result in?
|
Increased setting time (longer)
|
|
|
Which of the following is true for dental gypsum? A) type IV exhibits more expansion than type III B) The dry strength is higher than the wet strength C) the calcium sulfate hemihydrate of type III is chemically different from that of type IV D) Using the water/powder ratio of a type II gypsum for a type V stone will make the strength of the resulting gypsum close to the strength of the type V stone
|
B - the dry strength is higher than the wet strength
|
|
|
For optimal positioning, the dental assistant's eyes should be __ inches above the operator's eyes
|
Five
|
|
|
Which fo the following will DECREASE (hasten) the setting time of gypsum materials? A) Increased water/powder ratio B) decrease in mixing time C) slower mixing rate D) added particles of set gypsum E) Hot water (100 deg C)
|
D - added particles of set gypsum
|
|
|
Operator posture should be maintained in the __ position throughout daily activities to reduce ergonomic injuries
|
Neutral
|
|
|
The ideal distance between the operator's eyes and the patient's mouth is ___ inches
|
14
|
|
|
What type of dental gypsum is generally the strongest (highest compression strength) - I, II, III, IV?
|
IV
|
|
|
The setting of dental stone is characterized by the formation of what? (Chemical equation)
|
CaSO4*2 H2O
|
|
|
T or F: the operator stool should be positioned so that the operator's knees are above the level of the hips
|
0
|
|
|
Which of the following are used to determine the setting time of gypsum? A) vicat needles B) gillmore needles C) loss of gloss D) all of the above
|
D - all of the above
|
|
|
All of the following are basic principles of four handed dentistry except: A) equipment designed to minimize unnecessary motion b) team and patient sesated comfortably in ergonomically designed equipment c) dentist assigns all legally delegable duties to a qualified auxiliary d) patient treatment is not planned in advance in a logical sequence
|
D - patient treatment is not planned in advance in a logical sequence
|
|
|
When an accelerator and retarder are used in a balanced dental stone to improve cast fabrication, the two properties altered are…
|
Setting expansion and setting time
|
|
|
Elimination, combination, rearrangement, and simplification are all examples of:
|
Work simplification
|
|
|
The setting of gypsum (crystallization) is based on the fact that the calcium sulfate dehydrate is a) more soluble b) less soluble c) heavier d) lighter than the calcium sulfate hemihydrate in water
|
B - less soluble
|
|
|
What are the 4 categories of 4 handed dentistry?
|
Work simplification, Motion economy, Classification of motion, Zones of activity
|
|
|
Clinically, what is the initial set of gypsum characterized by?
|
Loss of gloss of the cast
|
|
|
What is rearrangement in work simplification?
|
Relocate equipment that causes excess reaching close to the transfer zone
|
|
|
What is the recommended W/P ratio for a pourable mix of Type III stone with adequate strength?
|
0.3
|
|
|
What is motion economy?
|
The way energy can be conserved and strain on the body reduced by modifying specific motions
|
|
|
How should instruments be arranged?
|
In the order they will be used
|
|
|
With the gypsum products at UNLV, it should be relatively safe to remove an impressionf rom the gypsum cast ___, without fracturing the cast. A) In 20-25 minutes B) once the loss of gloss occurs C) once the cast begins to warm D) once the cast cools to room temperature
|
D
|
|
|
The most energy is expended in which type of motion? (I, II, III, IV?)
|
IV
|
|
|
Which of the following gypsum products has the least expansion? A) Type II plaster B) Type III stone C) Type IV improved stone D) Type V improved stone
|
C - type IV improved stone
|
|
|
Movement of fingers, wrist and elbows are which type of motion? (I, II, III, IV?)
|
III
|
|
|
The position for a right handed operator between 7 and 12 o'clock is what zone?
|
Operating
|
|
|
What zone is a good place to keep the curing light?
|
Static
|
|
|
The area over the patient's chest is what zone?
|
Transfer
|
|
|
Which of the following are true regarding assistant positioning? A) The stool is positioned as close to the patient's chair as possible B) The front edge of the stool, or the assistant's knees, are nearly even with the patient's mouth C) When seated, the assistant's eye level is 4 to 6 inches higher than the operator's eye level D) Maintain a relatively straight back and neck E) All of the above
|
E
|
|
|
Which of the following are guidelines for patient positioning? 1) Elbows close to side of body 2) Back should be straight 3) The distance from the operator's eyes to the patient's mouth should be approximately 10 inches 4) Eyes should remain focused on the treatment site 5) Keep the neck neutral A) 1 and 2 only B) 1, 2, 3, and 4 only C) 1, 2, 4, 5 only D) 2, 3, 4, 5 only E) 1, 2, 3, 4, 5 only
|
C - distance from operator's eyes to the patient's mouth should be 14 inches
|
|
|
The thumb, index and middle finger are A) delivery or B) pick up portion of the hand?
|
A - delivery
|
|
|
The ring and little finger are considered the A) delivery or B) pick up portion of the hand?
|
B - pick up
|
|
|
All instruments should be placed with a ___ inch radius from the assistant's hand
|
20
|
|
|
T or F: in the state of Nevada a dental assistant may apply topical anesthetic in any form except aerosol
|
T
|
|
|
AccordingT or F: according to the NRS dental assistants may apply pit and fissure sealant to the dentition for the prevention of decay, WITHOUT being checked and approved by supervising dentist before dismissal of the patient from the office of the dentist
|
F
|
|
|
Which of the following are legally delegable duties to dental assistants in Nevada? 1) Remove excess cement from cemented restorations and ortho applicanes 2) Remove soft plaque and stain from exposed tooth surfaces using an appropriate rotary instrument w/ rubber cup or brush 3) Apply pit and fissure sealant to dentition for the prevention of decay 4) Place or remove a rubber dam/accessories
|
All of the above
|
|
|
Know which pictures are the 1) Transthorax 2) Split-unit/cabinet 3) Rear delivery systems.
|
|
|
|
If you must store an alginate impression, what is the best method?
|
Wrap it in a damp paper towel and place it in a plastic bag
|
|
|
What is the largest component of set dental hydrocolloid impression material?
|
Water
|
|
|
The exudation of a liquid film on the surface of dental irreversible hydrocolloid impression material is:
|
Syneresis
|
|
|
T or F: Dental reversible hydrocolloid (agar) gelation occurs through chemical reaction
|
F
|
|
|
In order to prevent your patient from gagging while taking an alginate impression, what do you do?
|
Use warm water to mix with the alginate powder only
|
|
|
What is NOT an advantageous property of alginate? A) High flexibility B) High dimensional stability C) good wettability D) short setting time
|
B - high dimensional stability
|
|
|
What is the retarder in the setting reaction of alginate impression material?
|
Sodium phosphate
|
|
|
The taking up of liquid by a gel resulting in swelling is known as…
|
Imbibition
|
|
|
Which of the following increases the tear strength of alginate? A) remove the impression from the mouth slowly B) remove the impression immediately once the alginate is no longer tacky C) increase the water/powder ratio d) remove the impression from the mouth quickly
|
D
|
|
|
What is added to the alginate powder to prevent silicate particles from forming a solid aerosol during measuring and mixing and inhaled into the lungs?
|
Glycol
|
|
|
If your gympsum cast appears rough and chalky with a powdery surface, this condition is likely caused by A) inadequate cleaning of saliva from the impression B) improper gpsum water/power ratio (too high) C) excess water left in impression after rinsing D) all of the aboveqD - all of the above
|
|
|
|
What provides the crosslinking of alginate fibrils and gelation of irreversible hydrocolloid?
|
Calcium
|
|
|
Which of the following is an accelerator for the setting of dental stone? A) blood B) potassium sulfate C) Saliva D) Borates
|
B
|
|
|
Higher than recommended water/powder ratios for mixing dental stone result in?
|
Increased setting time (longer)
|
|
|
Which of the following is true for dental gypsum? A) type IV exhibits more expansion than type III B) The dry strength is higher than the wet strength C) the calcium sulfate hemihydrate of type III is chemically different from that of type IV D) Using the water/powder ratio of a type II gypsum for a type V stone will make the strength of the resulting gypsum close to the strength of the type V stone
|
B - the dry strength is higher than the wet strength
|
|
|
Which fo the following will DECREASE (hasten) the setting time of gypsum materials? A) Increased water/powder ratio B) decrease in mixing time C) slower mixing rate D) added particles of set gypsum E) Hot water (100 deg C)
|
D - added particles of set gypsum
|
|
|
What type of dental gypsum is generally the strongest (highest compression strength) - I, II, III, IV?
|
IV
|
|
|
The setting of dental stone is characterized by the formation of what? (Chemical equation)
|
CaSO4*2 H2O
|
|
|
Which of the following are used to determine the setting time of gypsum? A) vicat needles B) gillmore needles C) loss of gloss D) all of the above
|
D - all of the above
|
|
|
When an accelerator and retarder are used in a balanced dental stone to improve cast fabrication, the two properties altered are…
|
Setting expansion and setting time
|
|
|
The setting of gypsum (crystallization) is based on the fact that the calcium sulfate dehydrate is a) more soluble b) less soluble c) heavier d) lighter than the calcium sulfate hemihydrate in water
|
B - less soluble
|
|
|
Clinically, what is the initial set of gypsum characterized by?
|
Loss of gloss of the cast
|
|
|
What is the recommended W/P ratio for a pourable mix of Type III stone with adequate strength?
|
0.3
|
|
|
With the gypsum products at UNLV, it should be relatively safe to remove an impressionf rom the gypsum cast ___, without fracturing the cast. A) In 20-25 minutes B) once the loss of gloss occurs C) once the cast begins to warm D) once the cast cools to room temperature
|
D
|
|
|
Which of the following gypsum products has the least expansion? A) Type II plaster B) Type III stone C) Type IV improved stone D) Type V improved stone
|
C - type IV improved stone
|
