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Dental Assistant

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pennfoster exam numbers
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1.   A patient in need of treatment for the correction of a malocclusion would visit

     A. a periodontist.
     B. an endodontist.

     C. an orthodontist.

     D. a pedodontist.




2.   Who was one of the earliest known Egyptian dentists?

     A. Socrates
     B. Hesi-Re

     C. Zoser

     D. Roentgen




3.   A periodontist mainly treats patients with

     A. gum disease.
     B. dentures.

     C. cavities.

     D. root canals.




4.   What must a dental assistant have in order to take dental x-rays?

     A. A dentist's supervision
     B. Certification in radiology

     C. An autoclave

     D. A three-year degree




5.   What was the name of an ancient written work by the Chinese that included the study of dentistry?

     A. Canon of Medicine
     B. The Works of Sir John Tomes

     C. Hippocratic Method

     D. On Medicine




6.   Where can dental instruments be sterilized?

     A. In a darkroom
     B. In an autoclave

     C. Chairside

     D. In an automatic developer




7.   Who treats patients suffering from some type of tooth infection?

     A. A periodontist
     B. An endodontist

     C. An orthodontist

     D. A pedodontist




8.   What technique did the Phoenicians develop for treating periodontal disease?

     A. The use of dentures for cosmetic reasons
     B. The use of amalgam for filling teeth

     C. Splinting mobile teeth with gold arch wire

     D. Trading knowledge with the Romans




9.   What doctor is concerned with the diagnosis and treatment of oral pathology?

     A. An endodontist
     B. A periodontist

     C. A pedodontist

     D. An oral surgeon




10.   Where are auxiliary dental procedures such as the formation of dentures performed in a dental office?

     A. In the operatory
     B. In the laboratory

     C. In the reception area

     D. In the storage area




11.   If patients require prosthetic replacement of teeth, they would visit

     A. an orthodontist.
     B. an endodontist.

     C. a prosthodontist.

     D. a pedodontist.




12.   Where are dental x-rays developed?

     A. In the darkroom
     B. In the operatory

     C. In the sterilization room

     D. In an autoclave




13.   What is amalgam used for?

     A. To sterilize dental instruments
     B. To fill teeth

     C. To splint teeth

     D. To fuel an autoclave




14.   Where are instruments cleaned and disinfected after a dental procedure is performed?

     A. In a darkroom
     B. In the contaminated area

     C. In the operatory

     D. Chairside




15.   Where does a dentist complete normal dental procedures?

     A. In the darkroom
     B. In the contaminated area

     C. In the operatory

     D. In the reception area




16.   Who used arsenic as a treatment for toothaches?

     A. The Chinese
     B. The Greeks

     C. The Egyptians

     D. The Phoenicians




17.   Which physician was noted for his research and description of the teeth's root systems?

     A. Asclepius
     B. Abulcasis

     C. Scrapion

     D. Celsus




18.   A dental office's reception area should

     A. be tastefully decorated and well lighted.
     B. have loud music playing.

     C. be dim and dreary to protect patients' eyes.

     D. have only current dental periodicals to read.




19.   Nitrous oxide gas is a form of

     A. sterilization.
     B. anesthesia.

     C. denture preparation.

     D. contamination.




20.   Which dentist constructed his own x-ray machine?

     A. C. Edmund Kells
     B. G. V. Black

     C. XXXXX XXXXX

     D. Sir John Tomes

1.   The largest of the salivary glands is the

     A. submandibular.
     B. sublingual.

     C. minor.

     D. parotid.




2.   The portion of the tooth that is used for mastication and is visible in the oral cavity is the

     A. cervix.
     B. crown.

     C. root.

     D. gingiva.




3.   The ______ makes up the superior portion of the oral cavity and the inferior portion of the nasal cavity.

     A. mandible
     B. apex

     C. palate

     D. gingiva




4.   The opening of the ______ is located in the buccal mucosa, just opposite the maxillary second molar.

     A. parotid gland
     B. sublingual gland

     C. Stensen's duct

     D. salivary duct




5.   The ______ is located in the lower dental arch, between the two lower central incisors.

     A. maxillary labial frenum
     B. mandibular lateral frenum

     C. mandibular labial frenum

     D. maxillary lateral frenum




6.   The ______ is located in the lower anterior floor of the mouth.

     A. sublingual gland
     B. Stensen's duct

     C. parotid gland

     D. mixed gland




7.   The apex is located at the

     A. tip of the root.
     B. apical foramen.

     C. cementoenamel junction.

     D. cervical neck.




8.   The section of the tooth where the anatomical crown meets the anatomical root is called the

     A. cervix.
     B. apex.

     C. oral cavity.

     D. clinical crown.




9.   What teeth are the smallest and weakest in the maxillary arch?

     A. The maxillary central incisors
     B. The maxillary lateral incisors

     C. The maxillary cuspids

     D. The maxillary first premolars




10.   The permanent dentition numbers ______ teeth altogether.

     A. 36
     B. 24

     C. 22

     D. 32




11.   The eruption time of first molars in the maxillary arches occurs at about ______ months.

     A. 22–29
     B. 7–8

     C. 13–19

     D. 9–10




12.   Permanent loss of the ______ can cause arch disharmony.

     A. primary first molar
     B. primary cuspid

     C. primary lateral incisor

     D. primary second molar




13.   One function of the periodontal ligament is to

     A. support the cortical plate.
     B. hold the tooth firmly in the socket.

     C. fight lateral forces of the tooth.

     D. fight systemic infections.




14.   In the periodontal ligament, the ______ fibers are the most numerous and make up the bulk of all fibers.

     A. apical
     B. horizontal

     C. alveolar crest

     D. oblique




15.   The ______ is the pink tissue that surrounds the teeth and covers the alveolar mucosa.

     A. cervix
     B. gingiva

     C. cementum

     D. dentin




16.   The section of a tooth that extends from the incisal edge to the crest of the gingival height is the

     A. anatomical crown.
     B. root.

     C. gingiva.

     D. clinical crown.




17.   The ______ gland is also known as the mixed gland.

     A. sublingual
     B. submandibular

     C. parotid

     D. minor salivary




18.   The minor salivary glands are found on the

     A. palate, Stensen's duct, and tongue.
     B. buccal mucosa, palate, and lips.

     C. lips, tongue, and earlobe.

     D. palate, buccal mucosa, and tongue.




19.   The thin, epithelial casing that covers the hard palate is called the

     A. palatial ridge.
     B. oral mucosa.

     C. nasopharynx.

     D. uvula.




20.   The ______ is the area of a tooth from the cervix to the apex.

     A. cementoenamel junction
     B. anatomical root

     C. anatomical crown

     D. mandible

Part One


1.   The dentist who commits malpractice does so by

     A. not doing a thorough head and neck examination.
     B. prescribing medication.

     C. doing harm to a patient.

     D. allowing auxiliaries to work under general supervision.




2.   When obtaining a medical history of the patient, it's important to

     A. clarify information that's unclear or vague.
     B. learn if another patient referred him or her.

     C. not treat the patient if he or she has a slight cold.

     D. be sure his or her address is correct.




3.   Why is it important for the DA to know about the laws governing dentistry?

     A. To work efficiently on the patients' teeth
     B. To prevent questions from the patients

     C. To prevent contributing to malpractice

     D. To be able to answer patients' questions about suing the dentist




4.   Vital signs are

     A. never needed in emergency.
     B. monitored only during anesthesia.

     C. the signs of life.

     D. a charting system.




5.   A palpation (head and neck) examination should include

     A. carious lesions.
     B. blood pressure, pulse, and respiration.

     C. under-the-tongue glands and the neck and cheeks.

     D. medication the patient is taking.




6.   To know if a patient has tuberculosis, hepatitis B, or AIDS is important because

     A. they're serious illnesses.
     B. they can't be cured.

     C. cross-infection may occur.

     D. they could compromise the vital sign readings.




7.   What is respiration?

     A. 14–20 beats per minute
     B. Artery pulses

     C. Taking in air

     D. Inhalation and expiration




8.   In order to avoid breaking the law, the dentist must

     A. give added responsibility to trained auxiliaries.
     B. provide direct supervision in some areas of the assistant's duties.

     C. only provide indirect supervision.

     D. be present while auxiliaries take the health history or clean teeth.




9.   Which medical condition(s) can be compromised by dental treatment?

     A. Heart, high blood pressure, heart murmur
     B. Herpes simplex type 1

     C. AIDS, hepatitis B, tuberculosis

     D. Diabetes




10.   Who makes the diagnosis of an abnormal condition?

     A. The patient
     B. The dental assistant

     C. The dentist

     D. The hygienist




11.   The dentist usually waits for six months before treating a patient who has

     A. had rheumatic fever.
     B. been pregnant.

     C. had a stroke.

     D. diabetes.




12.   When a patient hasn't seen a physician in a long time, it tells us the patient may

     A. have high blood pressure.
     B. be very healthy.

     C. have dental caries.

     D. have an undiagnosed disease.




13.   During the head, neck, and oral examination, the dentist looks at

     A. the ears for shape and style.
     B. TMJ symptoms if asked by patient.

     C. the oral mucosa and gingiva.

     D. the teeth and tongue only if infected.




14.   In an emergency, the carotid pulse is often used to monitor the heart rate. It's found

     A. on either ankle.
     B. on either side of the windpipe.

     C. one inch below the thumb.

     D. inside the bend of the elbow.




15.   Before dental treatment can begin, a patient who has had a hip or knee replacement must

     A. have his or her teeth cleaned.
     B. have a head and neck examination.

     C. wait six months.

     D. take an antibiotic.




16.   _______ is the way the body breaks down medication and food.

     A. Malnutrition
     B. Metabolism

     C. Dialysis

     D. Hypotension




17.   When blood pressure is taken, the _______ reading is the time of most pressure and the _______ reading is the time of least pressure.

     A. diastolic, systolic
     B. top, bottom

     C. abnormal, normal

     D. bottom, top




18.   If BP readings are consistently 145 mm Hg/99 mm Hg over a period of time, the patient may have

     A. hypertension.
     B. a BP screening test.

     C. hypotension.

     D. a condition known as shock.




19.   The purpose of the medical history is to

     A. get to know the patient better.
     B. help the dental auxiliary prepare the operatory.

     C. help provide safe dental treatment to patients.

     D. help the dentist decide which patients to see and which to refer to someone else.





20.   This instrument pictured is a/an _______ and is used to ______.

     A. explorer, find caries in tooth enamel
     B. periodontal probe, measure the size of tumors inside the mouth

     C. explorer, measure periodontal bone loss

     D. periodontal probe, measure the free gingival margin around the tooth




Part Two

Questions 21–25: Carefully read the instructions below, then begin.


On the charting representation, note the left and right sides.

Note in the midline.

Number the teeth in the three systems as designated on the grid above and below the teeth.
Note: The Universal System and some classifications will be used in the charting exercise. Later questions will be asked about this charting but other numbering systems will be referred to. (Remember that neatness is important!)

Select the best answer to each question based on the charting in the figure below.




21.   From the chart, determine: How many tooth extractions are needed?

     A. 3
     B. 6

     C. 2

     D. 1




22.   What tooth numbers have complex caries?

     A. #10 and #14
     B. #5 and #19

     C. #2 and #19

     D. #3 and #20




23.   What dental disease is present on the lower anterior teeth?

     A. Pulpitis
     B. Periodontal

     C. Herpes simplex type 1

     D. Candidiasis




24.   Using the FDI system, determine which tooth is partially erupted.

     A. #17
     B. #18

     C. #16

     D. #10




25.   What is the classification for the caries on tooth #31, FDI system?

     A. Class V
     B. Class II

     C. Class I

     D. Class VI
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Category: Health
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Customer: replied 7 years ago.
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