Dental Seminar Test 3 Chairside (Edition 2)

A patient presents appearing "flushed" and states that he has an infection. Which temperature should most likely be measured? a. 93 F b. 98.6 F c. 99.7 F d. 102 F

102 degrees F

The normal blood pressure classification for adults is: a. 120/80 mm HG b. 130/70 mm HG c. 145/90 mm HG d. 155/115 mm HG

120/80 mm HG

A patient displaying hypertension would have a blood pressure of about: a. 70/100 mm HG b. 110/80 mm HG c. 120/70 mm HG d. 180/96 mm HG

180/96 mm HG (140/90 mm HG and above)

The high speed contra angle handpiece reaches speed of: a. 150,000 rpm b. 250,000 rpm c. 350,000 rpm d. 450,000 rpm

450,000 rpm (low speed is 10,000-30,000 rpm)

The tip of the composite curing light should be held at an angle of _____ degrees to the tooth. a. 10 b. 25 c. 45 d. 90

90

The wooden wedge is placed in the gingival embrasure area for Class II restorations to accomplish all except which of the following? a. provide a missing proximal wall b. adapt the band to the cervical margin c. aid in preventing overhangs d. maintain proximal contact

? book says "a" but I feel like this is wrong

Using Black's classification of vanities, a pit lesion on the buccal of molars and premolars is considered a Class ________ restoration or cavity. a. I b. II c. V d. III

I

Which of the following techniques could be used for caries removal? a. No. 2 RA bur and enamel hatchet b. No. 1/4 FG and spoon excavator c. No. 2 RA bur and spoon excavator d. no. 1/4 FG and explorer

No. 2 RA bur and spoon excavator Right angle (RA) = slow speed latch normal length Friction grip (FG) = normal length

The symbol between teeth #24 and #25 (two vertical lines) indicates: a. heavy calculus b. a diastema is present牙间隙 c. a supernumerary tooth is present d. a displaced frenum attachment系带附着

a diastema is present

Which instrument would be used to check for an overhang on a newly placed restoration? a. explorer b. Woodson c .spoon excavator d Hollenback carver

a explorer

Which photograph below illustrates the orthodontic hemostat正畸止血药? a. Looks like matthieu pliers 马修钳 b. Looks like cotton forceps c. Looks like a hemostat

a. Orthodontic hemostat is used to hold an place materials such as separators and ligatures. Has gripping and locking capabilities正畸止血钳用于固定放置位置的材料，例如隔板和绑扎带。 具有抓握和锁定功能

The A in the ABCDs of basic life support stands for: a. access b. automatic c. airway d. assess

a. airway (airway, breathing, circulation, & defibrilation)

The indication for pit and fissure sealants 坑缝密封剂is when teeth: a. are prone to caries b .are not prone to caries c. sealants are already present d. fossae are wide and easy to clean

a. are prone to caries容易龋齿

The eating disorder that can easily be recognized in the dental office by severe wear on the lingual surface of the teeth caused by stomach acid from repeated vomiting is:反复呕吐引起的胃酸引起的牙齿舌面严重磨损，很容易在牙科诊所识别出进食障碍： a. bulimia暴食症 b. binge eating disorder饮食混乱障碍 c. anorexia nervosa神经性食欲缺乏 d. female athlete triathlon

a. bulimia

Which energy nutrients come from plant sources? a. carbohydrates b. minerals c. proteins d. fats

a. carbohydrates

The time from when the local anesthetic takes complete effect until the complete reversal of anesthesia is the _______ of the anesthetic agent.从局部麻醉完全生效到麻醉完全消退的时间为麻醉剂的_______。 a. duration b. induction c. innervation d compression

a. duration

A periodontal probe is an example of which type of instrument? a. examination b. hand cutting c. restorative d. accessory

a. examination

A tray is set up from: a. left to right b. right to left c. top to bottom

a. left to right

The process by which the resin material is changed from a pliable state to a hardened restoration is known as:树脂材料从柔韧性转变为硬化修复体的过程称为： a. light curing b. exothermic curing c. microcuring d. macrocuring

a. light curing

Which of the following records is considered a vital record重要记录? a. patient clinical chart b. bank reconciliation c. petty cash voucher d. cancelled check

a. patient clinical chart

A patient who display symptoms of intermittent blinking, mouth movements, a blank stare, and nonresponsiveness to surroundings may be displaying symptoms of: a. petit mal seizure b. grand mal seizure c. hypoglycemia d. hyperglycemia

a. petit mal seizure (grand mal seizures result in loss of consciousness)

A dentist informs you that a patient will need three appointments to complete a three-unit bridge. These appointments will likely be: a. prepare the teeth, try on the bridge components, and seat the bridge b. take diagnostic models, prepare the teeth ,and seat the temporary or provisional crown c. prepare the teeth, take impressions, and seat the bridge

a. prepare the teeth, try on the bridge components, and seat the bridge

The only nutrients that can build and repair body tissues are: a. proteins b. fats c. carbohydrates d. minerals

a. proteins

The RDAs are the levels of essential nutrients that are needed by individuals on a daily basis. RDA是个人每天所需的必需营养素水平。RDA stands for: a. recommended dietary allowance b. regulated daily amount c. regular daily amount d. recommended daily allowance

a. recommended dietary allowance

An administration assistant has failed to maintain the recall system for the past 4 months. Which is likely to occur? a. there will be evidence of decreased productivity b. the patients will not mind c. There will be more time to work on incomplete projects

a. there will be evidence of decreased productivity

When a health c0-ontraindication is present that prevents the use of a vasoconstrictor, the retraction cord is impregnated with ______, and the cord may have a ______ agent applied to it to control bleeding.如果存在禁止使用血管收缩器的健康禁忌症，则牵拉线中会注入______，并且可能会在其上施加______药剂以控制出血。 a. epinephrine, hemostatic b. aluminum chloride, galvanic c. sodium chloride, galvanic d. aluminum chloride氯化铝, hemostatic

aluminum chloride氯化铝, hemostatic

_________ can be life threatening and is indicated by nausea and vomiting恶心和呕吐, shortness of breath, and loss of consciousness. a. syncope昏厥 b. anaphylaxis过敏反应 c. low blood glucose d. high blood pressure

anaphylaxis

An automated external defibrillator (AED) 自动体外除颤器is used for all except to ________ a. reestablish the proper heart rhythm by defribillation b. automatically perform CPR for 15 minutes c. monitor the patient's heart rhythm d. shock the heart

automatically perform CPR for 15 minutes

The term _______ means to move the tooth back and forth within the socket. a. festoon结彩于 b. luxation脱臼 c. capitation人头税 d. displace取代

b luxation

The lengths of needles used in dentistry for local anesthesia administration are: a. 5/8 inch and 1 inch b. 1 inch and 1 5/8 inch c. 1 1/2 inches and 2 inches d. 1/2 inch and 1 1/2 inches

b. 1 inch and 1 5/8 inch

Composite restorative materials are usually cured for _____ seconds with a halogen curing light. a. 3 b. 20 c. 60 d. 120

b. 20

Which instrument is used to scale deep periodontal pockets or furcation areas? a. curet scaler b. Gracey scaler c. straight sickle scaler d. modified sickle scaler

b. Gracey scaler

Addition of very warm water to an alginate mix will cause the setting time to be: a. increased b. decreased

b. decreased

A patient is to take a medication three times a day. The prescription will indicate to the pharmacy that it is taken: a. BID b. TID c. QID d. q.d

b. TID

A dentist retires to another state and closes the practice. The entire staff is released from employment, and the records remain in the office, but the patients are not notified of the dentist's retirement. Failure to notify the patients of changes in the practice is called: a. assault b. abandonment遗弃 c. malpractice医疗事故，渎职 d. noncompliance不遵守

b. abandonment

A wooden wedge is placed in the gingival embrasure area for Class II restorations to accomplish all except which of the following? a. aid in preventing overhangs b. adapt the band to the occlusal c. provide a missing proximal wall d. margin maintain proximal contact

b. adapt the band to the occlusal

Which of the following materials is recommended for polishing filled hybrid composites and resin restorations?建议使用以下哪种材料抛光填充的混合复合材料和树脂修复体？ a. silex and tin oxide b. aluminum oxide paste氧化铝浆 c. diamond polishing paste d. coarse polishing paste

b. aluminum oxide paste

Which member of the dental team is required to report suspected child abuse可疑的虐待儿童行为? a. all members b. dentist c. dental assistant d. dental hygienist

b. dentist (The dentist is the only one legally required to report suspected child abuse; all members have a moral responsibility to report suspected child abuse to the dentist)

Which part of an anesthetic syringe differs in an aspirating syringe and non aspirating syringe?麻醉注射器的哪一部分在抽吸注射器和非抽吸注射器上有所不同？ a. piston b. harpoon c. syringe barrel d. metal thumb ring

b. harpoon

Light curing: a. relies on ultraviolet light b. is used to polymerize composite resin restorative material and composite resin cement c. is used to polymerize silver dental amalgam d. is called auto polymerization

b. is used to polymerize composite resin restorative material and composite resin cement用于聚合复合树脂修复材料和复合树脂胶泥

The retromolar pad后磨牙垫 is reproduced in the ________ impressions. a. maxillary b. mandibular

b. mandibular

MyPyramid, formerly known the Food Guide Pyramid, is an outline of what we eat each day. The food group recommended by the second smallest section on the pyramid is: a. dairy b. meat and beans c. oils d. vegetables

b. meat and beans

When an operator is working in the labial of tooth #9, the HVE tip is held: a. on the labial surface of the tooth being prepared b. on the opposite side of the tooth being prepared c. in the retromolar area d. in the vestibule

b. on the opposite side of the tooth being prepared

When the operator is working in the labial （lip）of tooth #9, the HVE tip is held: a. on the labial surface of the tooth being prepared b. on the opposite side of the tooth being prepared c. in the retromolar area d. in the vestibule

b. on the opposite side of the tooth being prepared

The angle of the bevel of the HVE top should always be:HVE顶部的斜角应始终为： a. parallel to the occlusal surface b. parallel to the buccal or lingual surfaces c. at right angles to the buccal and lingual surfaces d. in whatever position the assistant is comfortable

b. parallel to the buccal or lingual surfaces

Which of the following instruments would be used to measure the depth of the gingival sulcus? a. shephard's hook b. periodontal probe c. cowhorn explorer d. right angle explorer

b. periodontal probe

A dental assistant orders supplies once a week and has been instructed to always maintain a 30 day supply of materials in the practice. The supply of syringes of composite shade A has been depleted and the practice uses these at a rate of one tube every 15 days. How many syringes should be ordered? a. one b. two c. three d. four

b. two

Consent is: a. an involuntary act b. voluntary acceptance or agreement to what is planned or done by another person c. only necessary for surgical procedures d. something that nay person older than age 21 years may give for another's treatment

b. voluntary acceptance or agreement to what is planned or done by another person

The most common type of attachment for fixed orthodontic appliances is the:固定正畸矫治器最常见的附件类型是： a. orthodontic band b. bonded bracket c. arch wire d. separator

bonded bracket

Inflammation of the supporting tissues of the teeth that begins with ______ can progress into the connective tissue and alveolar bone that supports the teeth and become: a. gingivitis, glossitis b. periodontitis, gingivitis c. gingivitis periodontitis d. gingivitis, gangrene

c gingivitis, periodontitis

The stage of anesthesia when the patient passes through excitement and becomes calm, feels no pain or sensation, and soon becomes unconscious is referred to as stage _____ of anesthesia. a .I b. II c. III d. IV

c. III

Hardness of a material is ranked using the: a. Richter scale b. Mercalli scale c. Moh scale d. atomic scale

c. Moh scale

Which of the following instruments is a Hedstrom file? a. a barbed file (barbed broach带刺） b. a cleiod-discoid carver file c. a file shaped like a cone with a pointed tip and triangular edges d. an endodontic file

c. a file shaped like a cone with a pointed tip and triangular edges

When a blood clot is dislodged because of the exertion of forces such as sucking on a straw and as a result the patient experiences extreme discomfort, it is referred to as: a. osteosis b. ankylosis关节僵硬 c. alveolitis牙槽炎 d. acidosis酸中毒

c. alveolitis

Supra gingival calculus is found on the _____ of the teeth above the margin of the ______. a. anatomic crowns, periodontal ligament b. cervical region, periodontal ligament c. clinical crowns, gingiva d. cervical margins, apex

c. clinical crowns, gingiva

_________ are found mainly in fruits, grains, and vegetables, and _______ are found in processed foods such as jelly, bread, crackers, and cookies. a. proteins, carbohydrates b. complex carbohydrates, fats c. complex carbohydrates, simple sugars d. proteins, simple sugars

c. complex carbohydrates, simple sugars

_____ forceps are designed to grasp the bifurcation of a root of a mandibular molar下颌磨牙根的分叉。. a. curved b .bayonet c. cowhorn d. universal

c. cowhorn

Which of the following instruments has sharp, round, angular tips used to detect tooth anomalies? a. shephard's hook b. periodontal probe c. cowhorn explorer d. right angle explorer

c. cowhorn explorer

Which of the following is a thermoplastic material 热塑性材料used to stabilize an anterior clamp? a. driganle b. floss c. dental compound d. sticky wax

c. dental compound（像橡皮泥） Sticky Wax is used to hold or weld materials or pieces together.

What step(s) should the dental assistant take before applying topical fluoride? a. give toothbrushing instructions b. have the patient rinse with mouthwash c. dry the teeth thoroughly d. use disclosing solution to look for plaque

c. dry the teeth thoroughly (to allow for maximum uptake吸收)

Which of the following would be used for smoothing the interproximal surface in a composite procedure? a. hollenback carver b. gold carving knife c. finishing strip d. explorer

c. finishing strip

The purpose of acid etching a tooth while using a composite restoration is:使用复合修复体时酸蚀牙齿的目的是： a. preparing the pulp b. sealing the dentinal tubules c. forming tags on the etched tooth surface d. forming a bond on cavity structure of the tooth

c. forming tags on the etched tooth surface 在蚀刻的牙齿表面形成标签

A condition called _____ will result if an alginate impression absorbs additional water by being stored in water or in a very wet paper towel. 如果藻酸盐印模被存储在水中或非常湿的纸巾中而吸收了更多的水，则会导致称为______的情况。 a. syneresis脱水收缩 b .hydrocolloid水胶体 c. imbibition吸水 d. polymeriztion聚合作用

c. imbibition

Any tooth that remains unerupted in the jaw beyond the time at which it should normally erupt is referred to as being: a. fused融合的 b. abraded磨损的 c. impacted d. ankylosed强直的

c. impacted

After a routine examination and prophylaxis of a 19-year-old female patient, the doctor diagnoses three restorations; the patient's mother calls to discuss her daughter's treatment plan. You politely and respectfully: a. proceed to review the treatment needed and answer her questions b. suggest she schedule an appointment for a consultation c. inform her that the practice must obtain consent from her daughter to discuss her care d. tell her that her daughter must be present during this conversation

c. inform her that the practice must obtain consent from her daughter to discuss her care (the patient is a legal adult [18 and over] so the mother will need written consent to discuss the patient's treatment)

Which of the following techniques could be used for caries removal? a. No. 2 RA bur and enamel hatchet b. No. 1/4 FG an spoon excavator c. No. 2 RA bur and spoon excavator d. No 1/4 FG and explorer

c. no 2 RA bur and spoon excavator

A right handed dentist is doing a preparation on #30 MO. The dental assistant places the HVE tip: a. on the buccal of #30 b. on the buccal of #19 c. on the lingual of #30 d. on the occlusal of #31

c. on the lingual of #30

If the signature line on a prescription states 1 tab QID per pain, it indicates that the patient would take the medication: a. one tablet daily as needed b. one tablet every four hours for pain c. one tablet four times daily as needed for pain d. one tablet for 4 days

c. one tablet four times daily as needed for pain

Which instrument is commonly used to scale surfaces in the anterior region of the mouth? a. curet scaler b. Gracey scaler c. straight sickle scaler d. modified sickle scaler

c. straight sickle scaler

Which of the following instruments is used to trim soft tissue during an oral surgery procedure? a. surgical curette b. suture scissors c. surgical scissors d. scalpel

c. surgical scissors

________ may be applied to the edge of the alginate trays to improve the fit of the tray. a. beading wax b. pattern wax c. utility wax d. boxing wax

c. utility wax

The cement that has a sedative effect 镇静作用on the pulp is known as: a. glass ionomer b. zinc phosphate c. zinc oxide eugenol氧化锌丁香酚 d. zinc silicon phosphate

c. zinc oxide eugenol (ZOE)

Which type of cement must be mixed on a glass slab? a. zinc polycarboxylate b. zinc oxide-eugenol c. zinc phosphate d. calcium hyrdoxide

c. zinc phosphate Zinc phosphate cement the one of the oldest and widely used cements, and is commonly used for luting permanent metal restorations and as a base. It is a high-strength cement base, mixed from zinc oxide powder and phosphoric acid liquid. Zinc oxide-eugenol cement (IRM) is a low-strength base used as a temporary cement filling in the event that the patient will return at a later date for a semi-permanent restoration. The powder is mainly zinc oxide and the liquid is eugenol with olive oil as a plasticizer. polycarboxylate cement are used as filling materials, protective cavity liners, luting materials for crowns, bridges, inlays and orthodontic appliances, root canal fillings, and pulp capping. Various types of cements are available for different purposes. Calcium hydroxide is a low strength base that can be used as a liner, intermediary base or pulp-capping agent. They are supplied as two pastses: a base, and a catalyst containing calcium hydroxide and zinc oxide.

________ is the form of anesthetic that renders the patient unconscious. a. local b. genreal c. inhalation d. conscious sedation

general

The most common site for taking a patient's pulse when performing cardiopulmonary resuscitation心肺复苏术 is the: a. radial artery桡动脉 b. carotid artery颈动脉 c. brachial artery臂动脉 d. femoral artery股动脉

carotid artery

A(n) _______ is present when the maxillary teeth are positioned lingually to the mandibular teeth ether unilaterally or bilaterally.当上颌牙齿单侧或双侧地相对于下颌牙齿向舌侧放置时（兜齿） a. overjet b. cross bite c. open bite（合不上嘴） d. end-to-end(An occlusion in which the maxillary and mandibular teeth edges meet, particularly when the teeth are in central occlusion)

cross bite

The dental assistant's responsibility in an emergency situation is to: a. recognize the symptoms and signs of a significant medical complaint b. provide adequate support in implementing emergency procedures c. diagnose a specific condition or emergency situation 诊断特定情况或紧急情况 d .both a and b

d .both a and b

A patient has the following amalgam restorations: 29MO, 30 MOD, 31DO, 32O. The fee for each surface is $115. What is the fee for services rendered? a. $320 b. $420 c. $880 d. $920

d. $920 (8 surfaces)

The water-to-powder ratio generally used for a mandibular impression is _______ measures of water and _______ scoops of powder. a. 3,3 b. 4,3 c. 2,4 d. 2,2

d. 2,2

Select the instrument that will be used to carve the distal surface of an amalgam restoration placed on 30 DO. a. picture of large discoid cleoid b. picture of smaller discoid cleoid c. picture of scaler d. picture of hollenbeck carver

d. Hollenbeck carver

Which of the following instruments would be least likely to be used for placing a cavity liner?下列哪种仪器最不可能用于放置腔内衬？ a. explorer b. ball burnisher c. spoon excavator d. amalgam condensor

d. amalgam condensor

______ can prevent cholesterol from oxidizing and damaging arteries.防止胆固醇氧化和损害动脉。 a. vitamins b. minerals c. lipids脂肪 d. antioxidants抗氧化剂

d. antioxidants

Sub gingival calculus occurs ______ the gingival margin and can be _____ in color because of sub gingival bleeding. a. above, yellow b. below, yellow c. above, red d. below, black

d. below, black

In the United States, nitrous oxide一氧化二氮 gas lines are color coded, _____ and oxygen lines are color coded _____. a. red, blue b. green, blue c. blue red d. blue, green

d. blue, green （氮蓝氧绿）

What is a contraindication禁忌症 of ra patient using a gingival retraction cord that is impregnated with epinephrine.RA患者使用浸有肾上腺素的牙龈回缩线的禁忌症是什么。 a. diabetes b. epilepsy c. hypothyroidism d. cardiovascular condition 心血管

d. cardiovascular condition

Select two terms that describe the purpose and consistency of a dental cement use for the seating of a temporary crown. a. base and secondary consistency b. cementation and secondary consistency c. base and primary consistency d. cementation and primary consistency

d. cementation and primary consistency; the seating of a temporary crown requires a cement base that is of luting or primary consistency, which strings about 1 inch. The purpose of seating the crown is for temporary cementation.

The symbol on tooth #8 (jagged line across the corner of the tooth at the mesial edge & an open circle at the apex of the root) indicates that it will need to have: a. periodontal treatment 牙周治疗and then a restoration to replace the incisal edge b. endodontic treatment 牙髓治疗and then a restoration to replace the distoincisal edge. c. periodontal treatment and then a restoration to replace the distoincisal edge d. endodontic treatment and then a restoration to replace the mesioincisal edge.

d. endodontic treatment and then a restoration to replace the mesioincisal edge.

A negative reproduction 复制底片of the patient's dental arch is referred to as: a. die b. model c. cast d. impression

d. impression

Most local anesthetics used for dental procedures are: a. the same b. long acting c. short acting d. intermediate acting中效 ; 中等时间作用

d. intermediate acting

A tooth that has been avulsed has been:脱牙的牙齿有： a. fractured破碎的 b. sealed with a sealant c. restored with amalgam d. knocked free from the oral cavity

d. knocked free from the oral cavity

Which endodontic instrument is used to curette the inside of the tooth to the base of the pulp chamber?使用哪种牙髓器械将牙齿内部刮至牙髓腔的底部？ a. file b. reamer c. explorer d. long-shank spoon

d. long-shank spoon

The most common indication for placing pit and fissure sealants would include which of the following tooth characteristics? a. partially erupted teeth as a preventive measure b. posterior teeth with small areas of early caries c. all erupted permanent molars and premolars d. posterior teeth with deep pits and fissures

d. posterior teeth with deep pits and fissures (especially newly erupted)

The impression auto mix system can be used for all but which of the following?可用于除以下哪个以外的所有功能？ a. syringe material b. tray material c. bite registration d. putty wash

d. putty wash灰泥 The putty-wash technique is commonly used in making impressions with silicone elastomers.

Which of the following is not a component of a clinical record? a. clinical chart b. health history c. medical history d. recall card

d. recall card

Which microorganism must be present for caries formation to begin? a. staphylococcus b. herpes zoster c. candida albicans d. streptococcus mutans

d. streptococcus mutans

In which of the following procedures could the patient be placed in an upright直立 position? a. composite procedure b. removal of a posterior tooth c. polishing the teeth after prophylaxis d. taking diagnostic impressions

d. taking diagnostic impressions

A patient's pulse rate may be decreased because of: a. stress b. exercise c. stimulants兴奋 d. depressants抑制剂

depressants

The symbol on tooth #31 (an arrow above the tooth pointing to the left) indicates it is: a. mobile b. rotated c. drifted distally d. drifted mesially

drifted distally

The respirations of a patient who is hyperventilating will be exemplified by: a. gurgling b. a slow respiration rate c. excessively short, rapid breaths d. excessively long, rapid breaths

excessively long rapid breaths It is also called overbreathing

The respiration pattern of a patient in tachypnea呼吸急促 has: a. a gurgling sound b. a slow respiration rate c. excessively short, rapid breaths d. excessively long, rapid breaths

excessively short, rapid breaths

A finger rest that stabilizes the hand to lessen possibility of slipping or traumatizing the tissue in the mouth is known as a _________. 可以使手稳定的手指托，以减少打滑或弄伤口腔组织的可能性 a. hinge point b. rest point c. fulcrum d. base

fulcrum 支点

The symbol on tooth #3 (a black S on the occlusal of the tooth) indicates that this tooth: a. has a sealant placed b. has occlusal staining c. needs to have a sealant d. has a stainless steel crown

has a sealant placed

The symbol on tooth #23 (horizontal lines along the root of the tooth) indicates that this tooth: a. is an implant是植入物 b. has a root canal c. has a post and core d. has a fractured root

has an implant

When assisting a right handed operator, a preset tray is set up: a. left to right b. bottom to top c. top to bottom small to large d. right to left

left to right

What instrument is used in ligating arch wire? a. hemostat b. howe pliers c. ligature tying pliers d. utility pliers

ligature tying pliers

The examination technique in which the examiner uses his or her fingers and hands to feel for the size, texture, and consistency of hard an soft tissue is called: a. probing探测 b. palpation触诊 c. detection检测 d. extraoral examination口外检查

palpation

Consent知情同意书 is: a. an involuntary act b. only necessary for surgical procedures c. something that any person older than 21 years may give another's treatment d. voluntary acceptance or agreement to what is planned or done by another person

voluntary acceptance or agreement to what is planned or done by another person