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Sem Final Quiz Questions
Terms in this set (119)
Something that a reasonable person would consider in determining whether to proceed with a proposed treatment is the definition of:
All of the following are examples of written records except
All of the following should be written on the patients treatment records except:
(1) The phase contrast microscope is considered to be an effective diagnostic tool in disease control instruction because (2)it identifies specific species of bacteria
Both statements are FALSE
A phase microscope plaque specimen taken from a client who thoroughly cleaned his mouth each day for the previous two weeks would show high concentrations of (Select all that apply)
Gram-positive cocci AND Epithelial Cell
The phase contrast microscope may identify all of the following except (Select all that apply)
Motility of organisms, Morphotype of organisms, AND Quantity of organisms
The phase contrast microscope technique involves all of the following (Select all that apply)
Optical staining, slide preparation, AND Brightfield microscopy
The plaque specimen viewed under the phase contrast microscope reveals a field of filamentous bacteria, leukocytes, and fusobacteria. This plaque content is characteristic of plaque that has been in the mouth for
Correct principles of instrument sharpening includes:
Establish proper angle between stone and instrument
A sharp cutting edge increases:
When sharpening an instrument, utilizing a moving flat stone, the instrument should be held in the
The terminal shank of the sickle scaler is held at what clock position for the right handed operator
Presently main objective of using the cylindrical stone is to
Remove wire edges
If the cutting edge slides over the side of the test stick, it may indicate (Select all that apply)
The blade is still dull, the terminal shank is not positioned properly, AND the stone was not positioned properly while sharpening
When visually checking an instrument for sharpness, one may assume the blade is sharp when th
Edge of the blade is a line that does not reflect light
The lubricant for a ceramic stone is
The angle created between the face of the blade and the flat stone is
The sharpening stones may be cleaned (Select all that apply
With soap and water, with ammonia, in the ultrasonic, AND by sterilization
Expressed consent may be written or oral, True or False
The terminal shank of the gracey curet is held at what clock position for the right handed operator
Toward 11 o'clock at 3 minutes before 12 o'clock (11:57)
A 2 to 3 year old child living in a community with a water supply containing a concentration of fluoride which is .7 ppm. should be receiving supplemental fluoride in the following dosage:
Fluoride applied to decalcified tooth surfaces
What fluoride has anti-microbial properties?
The greatest concentration of fluoride in the dentin occurs at or near:
If the existing fluoride content of a water supply in the desert Southwest is 0.3 ppm., what amount of fluoride should be added to achieve the optimum recommended level?
Dental fluorosis may occur if an excess of fluoride is present during the:
Pre-eruptive; calcification stage
The area of the tooth that is the most fluoride rich from systemic fluoride ingestion is:
The inner aspect of dentin
This fluoride may cause pitting of porcelain or composite restorations:
Acidulated phosphate fluoride
Stannous fluoride maybe used in the treatment of periodontal disease due to its anti bacterial properties.
Fluoride is incorporated into the tooth structure in the form of:
How does the fluoride ion affect crystal size and solubility of the hydroxyapatite crystal?
Crystal Size: Increase - Solubility: Decrease
After ingestion of fluoride, fluorapatite replaces hydoxyapatite in enamel. This increases the resistance of enamel to tooth decay because fluorapatite:
Is a dense molecule that resists penetration to acids
Which of the following areas of the teeth are most likely to have the greatest uptake of topical fluoride?
Areas of demineralization
What is the most common manifestation of fluoride toxicity?
The greatest concentration of fluoride in the enamel occurs at:
The outer surface of the enamel
A topical fluoride treatment should always be preceded by polishing; fluoride should always follow a polishing procedure.
The first statement is false; the second is true
Repeated topical application of a fluoride agent does not produce tooth mottling BECAUSE applied fluoride is neutralized by the calcium in saliva.
The statement is correct, but the reason is not
The fluoride level in water at which optimum caries benefit occurs with minimal risk of fluorosis occurring is:
Dental fluorosis can result from:
Routinely ingesting water with more than 1.5 ppm of fluoride during tooth development
The optimal amount of fluoride incorporated into the water system of a community in the colder zone is :
The most important way for a dental hygienist to enhance the longevity of a fixed partial denture is to
Teach the patient to control bacteria around the margins
Precision attachments are composed of metal receptacles and close fitting parts that assist in holding what type of appliance in the mouth?
Removable partial denture
The dental implants with the longest success rates are made of
Which of the following substances are considered acceptable for polishing dental implants?
Gel type dentifrice
An elderly patient, who wears a mandibular complete denture, presents with a pink, elongated, firm, and raised lesion in the vestibule adjacent to the buccal border of the denture. Which of the following MOST likely represents this lesion?
Focal hyperkeratosis is most likely the result of which of the following:
Chronic friction from denture
A client with a history of would be a poor candidate for placement of dental implants.
In which type of implant is a cast framework placed over the bone and under the periosteum?
Osseointegration is the direct structural and functional union between implant and bone AND research supports it as more favorable than fibro-osseous integration
Both statements are true
Which modality is acceptable for cleaning of implant abutments?
Rubber cup polishing
During the examination of a patient, you notice mobility of a two-stage implant. Percussion of the implant does not cause discomfort for the patient. Gentle probing of the implant yields 4 to 5 mm probing depths, consistent with baseline records. The tissues have normal contour and color, and radiograph shows no periimplant radiolucency or crestal bone loss. Clinical observations indicate:
A loose abutment
A permanent appliance which replaces one or more, but less than all of the natural teeth is known as a:
Fixed partial denture
A blade, screw or cylinder implant which is placed within the bone is classified as:
A patient who has a dental implant wants to maintain the area. This patient might appropriately use a device made from each of the following materials EXCEPT ONE. Which one is this EXCEPTION?
Dipping a wired interdental brush in .12% chlorohexidine is recommended to help prevent inflammation of tissues surrounding implants.
The dental hygiene maintenance appointment for the dental implant patient may include all of the following except
Probing with a metal probe
A condition noted at the commissural folds is most likely
Fluid percolation at the junction of the superstructure and abutment indicates:
A break in the biological seal
In cleaning the removable partial denture, which of the following methods is NOT suitable
Polishing with a rubber cup at high speed
Cleaning a denture will help to prevent all of the following except?
Biological death is permanent cellular damage and will occur if CPR is not initiated within:
4 to 6 minutes
The primary objective in taking a complete medical history is to:
determine the need for modifications of dental procedures
In an emergency involving an unconscious adult, a pulse rate should be determined by palpating the:
The primary management for any emergency situation in the dental office is to:
Provide basic life support
Which of the following statements regarding syncope is False?
Syncope is another name for angina
The best way to prepare for medical emergencies in the dental office is to purchase a commercially prepared emergency kit. T or F
Sudden transient loss of consciousness
Loss of consciousness from which client can't be aroused
Lack of oxygen
Syncope due to cerebral ischemia
Low oxygen content in the blood
The most frequent cause of syncope associated with local anesthesia is:
Which of the following Emergency Kit drugs are indicated for the management of insulin shock?
A common cause of medical emergency in the dental office is:
The increased number of medical emergencies in a dental office can be attributed to:
"All of the Above" :/
Which of the following is the initial treatment for syncope in the dental office?
Administering 100% oxygen and ammonia ampule
Syncope may be avoided by each of the following EXCEPT:
Giving each client a glucose containing snack
Rapid heart rate
Should a client experience syncope:
Lower the chair back with patient in supine position raise legs slightly.
Your diabetic client complains that he is very thirsty and nauseated, and you notice he is flushed and is taking deep rapid breaths, and his breath has a fruity odor. First, you realize he is suffering from hyperglycemia. Second, you know the best way to manage this emergency is to administer insulin.
The first statement is true, the second statement is false
May be accompanied by weight los
Also called myxedema
May be caused by iodine deficiency
Definitive management of unconscious client includes attempt to decrease body temperature
May be accompanied by edema and loss of hair
Dyspnea on exertion and paroxysmal nocturnal dyspnea are common symptoms of
Congestive heart failure
Chronic complications of diabetes mellitus may include:
All of the above
During his appointment, your 36 year old client appears flushed, anxious, and short-tempered. He begins to cough and wheeze, is experiencing dyspnea, and begins to appear cyanotic. The emergency your client is experiencing is related to which of the following?
Intrinsic asthma is commonly found in adults AND is usually inherited
The first statement is true; the second is false
Polyuria, polydipsia and polyphagia are associated with hypoglycemia.
It may be beneficial to have your asthmatic clients take a prophylactic dose of a bronchodilator prior to a dental appointment. In the event of an emergency with a client who has asthma, position the client in the supine position.
Both statements are false
Which of the following is the best way to stop hyperventilation?
Have the client cup the hands over the mouth and nose and take slow, deep breaths
Emergencies involving diabetic patients occur most frequently with which type of diabetes
Which of the following should be monitored when checking respirations?
All of the above
Your client has indicated a fear of injections and begins to breathe rapidly, complains of tingling or numbness, and is experiencing tachycardia. Your client most likely is experiencing
Circulating insulin is essentially absen
Type I - Insulin dependent
More severe form of disease
Type I - insulin dependen
Accounts for majority of cases of diabete
Type II - Non- Insulin dependent
Increased incidence in this form
Type II - Non- Insulin dependent
A severe, intense headache may be used in the differential diagnosis of
Management of hyperglycemia in the dental office may include all of the following except
Which of the following is not a predisposing factor in cerebral vascular accident?
The duration of a grand mal seizure is usually
The convulsive phase of a seizure is known as the
A unique microflora and a polymorphonuclear leukocyte function problems has been associated with
The etiology of acute necrotizing ulcerative gingivitis is attributed to
Complex of bacterial organisms
Vertical bone loss around the first molars and incisors of a healthy young individual
Localized aggressive periodontitis
Principal pathogenic process in most periodontal disease is
Base of bony defect is apical to the surrounding bone is all of the following excep
Which of the following exemplifies the unidirectional migration of cells toward an attractant
Earliest osseous changes most commonly seen in periodontitis
Microorganisms existing in a periodontal pocket are
This conditions exists when a patient is infected after appropriate treatment
Localized purulent inflammation of periodontal tissues is called all of the following except
Continuous application of neutral sodium topical tray fluoride should be clock-timed for
Areas of the teeth most likely to have the greatest uptake of topical fluoride are
Areas of demineralization
What is the most common manifestation of fluoride toxicity
Fluoride applies to decalcified tooth surfaces
Optimal amount of fluoride incorporated into the water system is
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