Local anesthesia armamentariums l Oral and maxillofacial surgery MCQs for dental students
More MCQ in local anesthesia armamentariums for oral and maxillofacial surgery
When injecting into relatively highly vascular area as in posterior superior alveolar nerve block, one should use needle with:
A Smaller gauge
B. Larger gauge
C Gauge does not matter
D. None Of the above
One should use a needle which has:
A. Greatest angle of bevel
B. Minimum angle of bevel with tip lying in the centre of
the lumen
C. No bevel at all
D. None of the above
Which of the following is a long acting LA agent?
A. Mepivacaine
B. Bupivacaine
C Prilocaine
D. Propoxycaine
The safest local anaesthetic agent:
A. Cocaine
B. Procaine
C. Chloroprocaine
D. Propoxycaine
Which local anesthetic agent when used topically interferes with sulphonamide actions:
A. Lidocaine base
B. Lidocaine
C. Benzocaine
D. Propoxycaine
Self-aspirating syringes, provide aspiration by:
A Pulling the thumb ring
B. Negative pressure created due to elasticity of rubber
diaphragm
C. Pressure release on thumb disc
D. All of the above
The jet injectors are used to obtain:
A. Pulpal anaesthesia
B. Topical anaesthesia
C Regional block
D. Nerve block also
The gauge of needle used in dental syringes refers to:
A. Internal diameter of the lumen
B. External diameter of needle
C Diameter of bevel only
D. Diameter of hub
Sodium bisulphite used in dental local anesthesia cartridge acts as:
A. Antioxidant for adrenalin
B. Antioxidant for lignocaine
C. Antibacterial for lignocaine
D. Not used any more
The allergic reactions commonly seen following use of cartridge of local anesthesia is due to:
A. Lignocaine
B. Vasoconstrictor
C. Methyl paraben
D. Sodium metabisulphite
Glass LA cartridge should be sterilized by:
A. Autoclaving
B. Dry heat
C. Cold sterilisation
D. None of the above
If the diaphragm of cartridge is soaked in iso-propyl alcohol for purpose of antisepsis, it may result in:
A. Reduced anaesthesia
B. No anaesthesia
C. Long-term paraesthesia
D. None of the above
Local infiltration should be:
A Paraperiosteal
B. Subperiosteal
C. Transeptal
D. None of the above
Infiltration is not successful for anaesthetizing buccal roots of:
A. Maxillary 1st permanent molar
B. Maxillary 1st deciduous molar
C. Mandibular 1st permanent molar
D. Decidous maxillary 1st molar
For posterior superior alveolar nerve one should use:
A. Long needle (40 mm)
B. Short needle (25 mm)
C Length not a criterion
D. Only bevel should be considered
Greater palatine foramen is present:
A Between 1st and 2nd maxillary molars
B. Between 2nd and 3rd maxillary molars
C Distal to 3rd maxillary molar
D. Mesial to 1st maxillary molar
In 80% of patients infraorbital nerve block is effective for buccal aspect of:
A. Central incisors and canines
B. Central incisors to 1st premolars
C. Central incisors to mesiobuccal root of 1st maxillary
molar
D. Central incisors only
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