NBDE Part II - 1993 Exam C| QUESTIONS AND ANSWERS| 100% CORRECT
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Course
NBDE
Institution
KAPLAN UNIVERSITY
The Therapeutic Index (T.I.) of a drug is defined as
A. ED50/LD50.
B. ED1 /LD99.
C. LD1 /ED99.
D. LD99/ED1.
E. LD50/ED50. Correct Answer: E. LD50/ED50.
In a complete denture patient, when the teeth, occlusion rims, and central bearing point are in contact and the mandible is in centric r...
nbde part ii 1993 exam c| questions and answers| 100 correct
nbde part ii 1993 exam c
the therapeutic index ti of a drug is defined as
in a complete denture patient
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KAPLAN UNIVERSITY
NBDE
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NBDE Part II - 1993 Exam C| QUESTIONS
AND ANSWERS| 100% CORRECT
The Therapeutic Index (T.I.) of a drug is defined as
A. ED50/LD50.
B. ED1 /LD99.
C. LD1 /ED99.
D. LD99/ED1.
E. LD50/ED50. Correct Answer: E. LD50/ED50.
In a complete denture patient, when the teeth, occlusion rims, and central bearing
point are in contact and the mandible is in centric relation, the length of the face is
known as the
A. interocclusal rest space.
B. vertical dimension.
C. physiologic rest position.
D. rest vertical dimension.
E. occlusal vertical dimension. Correct Answer: E. occlusal vertical dimension.
Handpiece stones can be used primarily to sharpen which of the following
operative instruments?
A. Curved chisels
B. Enamel hatchets
C. Binangle chisels
D. Spoon excavators Correct Answer: D. Spoon excavators
Gastric regurgitation causes which of the following?
A. Erosion
B. Abrasion
C. Attrition
D. Hypercementosis Correct Answer: A. Erosion
Endodontic therapy is completed on a tooth with a periapical radiolucency. A
marked reduction in the size of the radiolucency can be expected in approximately
,A. 1 week.
B. 3 weeks.
C. 1 month.
D. 2 months.
E. 1 year. Correct Answer: E. 1 year.
Which of the following mesial root surfaces are unlikely to be thoroughly cleaned
with the use of floss?
A. Maxillary central incisor
B. Mandibular first premolar
C. Maxillary first premolar
D. Mandibular first molar Correct Answer: B. Maxillary first premolar
What dimension of the face has reached the greatest percentage of its adult size at
birth?
A. Depth
B. Height
C. Width Correct Answer: C. Width
A patient states that for almost a year now, she has had a rubbery, firm, painless
nodule within the substance of the parotid gland. The condition described is MOST
likely a
A. mucocele.
B. lymph node.
C. benign mixed tumor.
D. squamous cell carcinoma.
E. sialolith with encapsulation. Correct Answer: C. benign mixed tumor.
Which of the following properties of a gold alloy exceeds a base-metal alloy in
numerical value?
A. Hardness
B. Specific gravity
C. Casting shrinkage
D. Fusion temperature
E. Modulus of elasticity Correct Answer: B. Specific gravity
, The reduction of which of the following represents the MOST significant
advantage of the acid-etch technique?
A. Microleakage
B. Pulpal irritation
C. Setting shrinkage of the matrix
D. Coefficient of thermal expansion Correct Answer: A. Microleakage
Which of the following classes of drugs, when combined with a narcotic analgesic,
is the MOST likely to produce a fatal drug interaction?
A. Cardiac glycosides
B. Oral anticoagulants
C. Tricyclic antidepressants
D. Oral antidiabetic agents
E. Monoamine oxidase inhibitors Correct Answer: E. Monoamine oxidase
inhibitors
Each of the following is likely to be a sign or symptom of a metastatic jaw lesion
EXCEPT one. Which one is this EXCEPTION?
A. A non-erupted tooth
B. Paresthesia of the lower lip
C. A symptomless radiolucency
D. An unexplained mobility of a tooth Correct Answer: A. A non-erupted tooth
A dentist is resecting (amputating) a root for periodontal reasons. Which of the
following represents the usual treatment sequence?
A. Periodontal therapy followed by root canal therapy
B. Root canal therapy followed by periodontal therapy
C. Root canal therapy followed by a period of observation
D. Periodontal therapy followed by a period of observation Correct Answer: B.
Root canal therapy followed by periodontal therapy
Primary herpetic gingivostomatitis is MOST likely to occur in which of the
following age groups?
A. 1-5 years
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