NDEB Exam Set Questions With Revised Correct Detailed Answers & Rationales |ALREADY GRADED A+ PASS >> BRAND NEW VERSION
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NDEB
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NDEB
NDEB Exam Set Questions With
Revised Correct Detailed Answers
& Rationales
|ALREADY GRADED A+ PASS
>> BRAND NEW VERSION
1. The predominant microorganisms in deep dentinal caries are ?
A. Streptococcus mutans.
B. Lactobacillus species.
C. Streptococcus salivarius.
D. Acti...
NDEB Exam Set Questions With
Revised Correct Detailed Answers
& Rationales
|ALREADY GRADED A+ PASS
>> BRAND NEW VERSION
1. The predominant microorganisms in deep dentinal caries are ?
A. Streptococcus mutans.
B. Lactobacillus species.
C. Streptococcus salivarius.
D. Actinomyces species. - ANSWER B. Lactobacillus species.
2. When making an indirect wax pattern on a stone die, improved adaptation will
result from
A. the use of a separating medium.
B. soaking the die in cold water.
C. burnishing the wax to the die.
D. melting the wax onto the die. - ANSWER A. the use of a separating
medium.
3. A patient with an orofacial infection is most at risk for spread of infection by
bacteria travelling through
A. arteries.
,B. airways.
C. peripharyngeal spaces.
D. the maxillary sinus. - ANSWER A. arteries.
4. One function of the striated ducts in the parotid and submandibular glands is to
A. add Na+ ions to saliva.
B. help form a hypertonic saliva ( relative to
serum ).
C. add bicarbonate ions to saliva.
D. remove K+ ions from saliva.
E. add salivary amylase to saliva. - ANSWER C. add bicarbonate ions to saliva.
5. Naloxone reverses respiratory depression caused by
A. meperidine.
B. lorazepam.
C. alcohol.
D. phenobarbital. - ANSWER A. meperidine.// - naloxone reverses opioids!!!!!
6. The manufacturer's maximum recommended number of 1.8ml cartridges of 3%
mepivacaine that may be safely administered to a 65kg adult is
A. 5.
B. 6.
C. 7.
D. 8.
,E. 9. - ANSWER C. 7./
6.6mg/kg for mepivacaine
7. The upper lip is the result of fusion between the
A. maxillary and mandibular processes.
B. maxillary and lateral nasal processes.
C. maxillary and medial nasal processes.
D. medial and lateral nasal processes.
E. lateral and medial palatine processes. - ANSWER C. maxillary and medial
nasal processes.
8. One of the physiologic functions of adrenal corticosteroids is to
A. reduce glycemia.
B. increase salivation.
C. promote retention of sodium and fluids.
D. reduce arterial blood pressure.
E. increase the immune response to infection. - ANSWER C. promote
retention of sodium and fluids.
9. For a dental hand instrument with a formula of 10-8.5-8, the number 10 refers
to _____.
A. The width of the blade, in tenths of a millimeter
B. The primary cutting edge angle, in centigrades
C. The blade length, in millimeters
, D. The blade angle, in centigrades - ANSWER A. The width of the blade, in
tenths of a millimeter
The first number is the width of the blade or primary cutting edge in tenths of a
millimeter (0.1 mm). The second number indicates the primary cutting edge
angle, measured from a line parallel to the long axis of the instrument handle in
clockwise centigrades. The angle is expressed as a percent of 360 degrees. The
instrument is positioned so that this number always exceeds 50. If the edge is
locally perpendicular to the blade, then this number is normally omitted, resulting
in a three number code.
The third number indicates the
blade length in millimeters.
The fourth number indicates the blade angle, relative to the long axis of the
handle in clockwise centigrade.
18. Which of the following statements about an amalgam tooth/cavity
preparation is true?
A. The enamel cavosurface margin angle must be
90 degrees.
B. The cavosurface margin should provide for a
90-degree amalgam margin.
C. All prepared walls should converge externally.
D. Retention form for Class Vs can be placed at the
DEJ. - ANSWER B. The cavosurface margin should provide for a
90-degree amalgam margin.
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