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48 Cards in this Set
- Front
- Back
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All of the following are properties of a good disinfectant EXCEPT one. Which one is this EXCEPTION? a. Has residual effect b. Kills ALL microorganisms c. Environmentally compatible d. Broad-spectrum antimicrobial |
b. Kills ALL microorganisms |
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One of the disadvantages of steam sterilization is that it: a. may not kill spores b. produces a strong odor c. has a long exposure time. d. corrodes carbon-steel instruments |
d. corrodes carbon-steel instruments |
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All of the following are examples of biohazard waste EXCEPT one. Which one is this EXCEPTION? a. A needle b. A moist facial mask c. A gauze square dripping with blood d. An extracted tooth covered with blood |
b. A moist facial mask |
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A patient, age 55, has a pulse rate of 52. This pulse is considered: a. Normal b. Above normal c. Below normal d. Normal for a 9-year-old |
c. Below normal |
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Blood pressure measures the force exerted by the blood circulating against the arterial walls during relaxation and contraction. The systolic pressure involves the ventricles relaxing to fill blood returned by circulation.
a. Both statements are TRUE b. Both statements are FALSE c. The first statement is TRUE, the second statement is FALSE d. The first statement is FALSE, the second statement is TRUE |
c. The first statement is TRUE. The second statement is FALSE |
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Referring to Angle's classification for occlusion for the permanent dentition, a Class ll, division ll denotes a: a. prognathic profile b. mesognathic profile c. retrognathic profile, with one or more teeth protruded facially d. retrognathic profile, with one or more anterior teeth inclined lingually
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d. retrognathic profile, with one or more anterior teeth inclined lingually |
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Clinically, the dentist finds evidence of decay on the cervical 1/3 of the facial tooth #8. The G.V. Black Classification of this decay is: a. l b. V c. ll d. lV e. Vl f. lll |
b. V |
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The initial stage of plaque begins with:
a. acquired pellicle b. bacterial adhesion c. bacterial colonization d. gram-negative motile rods |
a. acquired pellicle
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Which of the following calculus-detecting explorers is best to use between #4 and #5
a. pigtail b. Orban-type c. shephard's hook |
a. pigtail |
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There is a 4mm pocket measurement on the direct facial of #20. In addition, there is recession on the direct facial measuring 2mm. What is the total clinical attachment loss?
a. 2 b. 4 c. 6 d. None |
c. 6 |
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The dental hygienist is planning to use an ultrasonic scaler on his/her next patient. What motion and which sides are active in the Magnetostrictive ultrasonic scaler? a. linear with all sides active b. elliptical with all sides active c. linear with lateral sides active d. elliptical with lateral sides active |
b. elliptical with all sides active |
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The dental hygienist has just removed the instrument cassette from the autoclave. The indicator tape on the wrapping has turned brown. One can be assured of which of the following? a. The instruments have been sterilized b. The instruments have been heat processed c. All microorganisms, except spores, have been killed d. All microorganisms, except tuberculosis, have been killed
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b. The instruments have been heat processed |
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Once instrumentation has been completed on the mesial of tooth #18 with a universal curette, the dental hygienist repositions the instrument to the distal of tooth #19. To accomplish correct adaptation of the instrument the dental hygienist should use the: a. same end of the instrument and same cutting edge b. same end of the instrument, but the opposite cutting edge c. opposing end of the instrument and apply either cutting edge d. opposing end of the instrument and apply the lower cutting edge |
b. same end of the instrument, but the opposite cutting edge |
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Which of the following arteries should be palpated when taking the pulse of a conscious adult patient? a. radial b. carotid c. brachial |
a. radial |
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Through which of the following ways do ultrasonic scalers work? a. cavitation b. vertical stroke c. lateral pressure d. vibrations from sound waves |
a. cavitation |
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Which of the following indicates a rapid pulse rate? a. bradypnea b. tachypnea c. bradycardia d. tachycardia |
d. tachycardia |
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Which of the following stains is not caused by poor oral hygiene or smoking? a. brown b. orange c. bluish green d. yellow-brown |
c. bluish green |
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A 14-year-old patient presents to the office with swollen, bleeding gingiva. Which of the following would you recommend? a. Oral irrigator b. end-tuft brush c. soft toothbrush d. disclosing solution |
c. soft toothbrush |
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A patient presents with misaligned mandibular anterior teeth. Which of the following auxiliary aids would be BEST to use to clean these teeth? a. Dental tape b. End-tuft brush c. Interdental brush d. Toothpick holder |
b. End-tuft brush |
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Using ASA Classification, a patient who has well-controled, noninsulin-dependent diabeteswould be classified as ASA: a. l b. ll c. lll d. lV |
b. ll |
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The dental hygienist notes a class lV furcation on tooth #3. Which of the following Gracey curettes should be used to instrument the mesial surface of the distal buccal root? a. 1-2 b. 5-6 c. 11-12 d. 17-18 |
c. 11-12 |
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On an adult patient, the blood pressure cuff is placed over which artery? a. Radial b. Carotid C. Brachial |
c. Brachial |
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There are four classifications of furcations. With class lll, there is severe bone loss with recession and the Nabers probe can pass between the roots. a. Both statements are TRUE b. Both statements are FALSE c. The first statement is TRUE. The second is FALSE d. The first statement is FALSE. The second is TRUE. |
c. The first statement is TRUE, the second is FALSE |
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Which agency monitors the fluoride content in community water supply? a. EPA b. FDA c. OSHA d. Burearu of Water Management |
a. EPA |
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Which predominant bacteria are responsible for the initiation of caries? a. Spirochetes b. Lactobacilli species c. Actinomyces viscosus d. Streptococcus mutans |
d. Streptococcus mutans |
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The smooth surface of a tooth benefits MOST from fluoride because bacteria accumulate more readily on these surfaces than on other tooth surfaces. a. both statement and reasoning is correct b. both statement and reasoning is incorrect c. the statement is incorrect, the reasoning is correct d. the statement is correct but the reasoning is incorrect. |
d. The statement is correct but the reasoning is incorrect |
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What is the first measure that should be taken when a child ingests a toxic amount of fluoride? a. drink milk b. induce vomiting c. seek medical attention d. Administer fluoride-bonding agent |
b. Induce vomiting |
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What kind of stain does stannous fluoride cause? a. Brown b. Green c. Black d. Orange |
a. brown |
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How long can acute fluoride toxicity last? a. 1 hour b. 10 hours c. 10 minutes d. Up to 24 hours |
d. up to 24 hours |
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What occurs when topical fluoride is applied to a demineralized area? a. The tooth structure gets weaker b. The tooth structure gets stronger c. The demineralized area stains orange d. There is no change in the strength of the tooth structure |
b. The tooth structure gets stronger |
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What is the best method of fluoride application for caries prevention? a. LOW concentration, LOW frequency b. LOW concentration, HIGH frequency c. HIGH concentration, LOW Frequency d. HIGH concentration, HIGH frequency |
b. LOW concentration, HIGH frequency |
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What is the safely tolerated dose of topical fluoride? a. >5 mg/kg b. >15 mg/kg c. One-fourth the certainly lethal dose. d. The amount of drug likely to cause death if not intercepted by antidotal therapy |
c. One-fourth the certainly lethal dose |
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The cause of mottled enamel is excess: a. exposure to topical fluoride between the ages of 6 years and 12 years b. exposure to topical fluoride between the ages of 6 months c. consumption of systemic fluoride between the ages of 6 years and 14 years d. consumption of systemic fluoride between the ages of 6 months and 6 years |
c. consumption of systemic fluoride between the ages of 6 months and 6 years |
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In Arizona, the optimal level of fluoride in the community's water supply, in ppm, would be approximately a. 0.7 ppm b. 1.0 ppm c. 1.2 ppm d. 4.5 ppm |
a. 0.7 ppm |
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An intraoral photo shows white spots on the coronal 1/3 of the anterior teeth. What is the MOST likely cause of the white spots? a. Fluorosis b. Demineralization c. Internal resorption d. Unequal distribution of bleaching agent |
a. Fluorosis |
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The bacteria found in deep carious lesions are: a. Spirochetes b. Lactobacilli species c. Streptococcus mutans d. Actinomyces viscosus |
b. Lactobacilli species |
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Which tooth surface would benefit LEAST from a fluoride rinse? a. Facial b. Mesial c. Lingual d. Occlusal |
d. Occlusal |
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Signs and symptoms of acute fluoride toxicity include all of the following EXCEPT one. Which one is the EXCEPTION? a. Vomiting b. Fluorosis c. Increase in thirst d. Increase in salivation |
b. Fluorosis |
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Which of the following topical fluoride delivery systems is BEST for an individual with rampant caries? a. Tray b. Rinse c. Painting d. Toothbrushing |
a. Tray |
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Self-applied fluoride rinses are: a. Rarely suggested for adults b. available by prescription c. are effective in caries prevention and control d. too expensive to be considered cost-effective |
c. are effective in aries prevention and control |
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The two main substances removed from enamel in the demineralization process are: a. calcium and zinc b. plaque and acid c. calcium and phosphorous d. phosphorous and magnesium |
c. calcium and phosphorous |
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The daily use of self-applied topical fluoride: a. should be avoided b. is contraindicated for adults c. can result in chronic fluoride poisoning d. is recommended for patients with xerostomia |
d. is recommended for patients with xerostomia |
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Fluorosis may be observed in teeth exposed to drinking water beginning at how many ppm? a. 1 b. 2 c. 3 d. 4 |
b. 2 |
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The Macadangdang's live in the country and have well water which tested at < 0.3 ppm of fluoride. How much fluoride should be supplemented for their 5-year-old daughter who has one occlusal restoration? a. None b. 1 mg/day c. 0.25 mg/day d. 0.50 mg/day |
d. 0.50 mg./day |
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The preferred type of professional topical fluoride application for a patient with composite veneer bonding of teeth #8/9 would be: a. 1.23% APF b. 2% NaF c. 8% Stannous Fluoride d. Sodium monofluorophosphate |
b. 2% NaF |
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A 4-year-old child who lives in a non-fluoridated area has rampant decay. All of the following home-care regimens could be used, with parental supervision, EXCEPT one. Which one is the EXCEPTION? a. fluoride tablets b. fluoride dentifrice c. fluoride mouth rinse d. brush-on fluoride gel |
c. fluoride mouth rinse |
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When ingested, most fluoride is absorbed through the: a. oral mucosa b. large intestine c. enamel and dentin d. stomach and small intestine |
d. stomach and small intestine |
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Adverse fluoride reactions, such as nausea and vomiting, can be minimized during professional application if the dental hygienist: a. first polishes teeth b. uses weaker concentrations c. limits applications to adults d. uses the appropriate amount of fluoride agent and salivary control. |
d. uses the appropriate amount of fluoride agent and salivary control. |
