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DENTAL ASSISTANT PRACTICE EXAM
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DENTAL ASSISTANT PRACTICE EXAM
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DENTAL ASSISTANT PRACTICE EXAMWhen taking blood, the exhaust valve should be released at a rate of?
A. 4-6 mm Hg per second
B . 2-3 mm Hg per second
C. 1-2 mm Hg per second
D. 6-8 mm Hg per second - Answers -B . 2-3 mm Hg per second
A normal adult respiration rate is:
A. 10-20 breaths per minute
B. 30-40 breaths per minute
C. 40-50 breaths per minute
D. 50-60 breaths per minute - Answers -A. 10-20 breaths per minute
The appearance of free gingivae is:
A. stippled
B. smooth
C. blunt
D. dull - Answers -A. Stippled
The depth of a normal gingival sulcus is:
A. 2-3 mm
B. 4 mm
C. 5 mm
D. 1 mm - Answers -A. 2-3 mm
Before pulp testing, the teeth should be:
A. dried
B. moistened
C. Separated with wooden wedges
D. acid-etched - Answers -A. dried
Which of the following are benefits of a correctly placed rubber dam?
A. increased efficiency of the dental team
B. driest operating field possible
C. soft tissue retraction
D. all of the above - Answers -D. all of the above
Which of the following is used as a matrix for a Class III restoration?
A. copper band
, B. Tofflemire
C. Celluloid
D. Ivory band - Answers -C. Celluloid
Which of the following medication are used for treating angina pectoris?
A. Adrenalin
B. phenytoin (Dilantin)
C. Diasepam (Valium)
D. Nitroglycerin - Answers -D. Nitroglycerin
Which of the following are examples of critical instruments?
A. needles, cutting instruments, blades
B. face masks, clothing
C. X-ray equipment, film holders
D. All instruments used in a procedure - Answers -A. needles, cutting instruments,
blades
To be considered acceptable for use in dentistry, a chemical must be able to kill:
A. the HIV virus
B. the hepatitis B virus
C. tuberculosis bacteria
D. Legionella bacteria - Answers -C. tuberculosis bacteria
Which of the following chemicals are capable of causing a severe tissue reaction:
A. synthetic phenol
B. alcohol
C. glutaraldehyde
D. Iodophors - Answers -C. glutaraldehyde
Which of the following disinfectants is the LEAST effective on dried blood or saliva?
A. Chlorine
B. iodophors
C. alcohol
D. glutaraldehyde - Answers -C. alcohol
In what position should instruments with hinges be places in the unsaturated chemical
vapor sterilizer?
A. with the hinges open
B. with the hinges closed
C. scissors should no be placed in an unsaturated chemical vapor sterilizer
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