Local Anesthesia OSCE Questions And Answers Rated A+
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Course
Local Anesthesia OSCE
Institution
Local Anesthesia OSCE
Local Anesthesia OSCE Questions And Answers Rated A+
Where does the mandibular nerve pass through the skull?
Foramen Ovale
what is the length of the long needle?
32 mm
what is the length of the short needle?
20 mm
Which anesthetic has the highest occurrence of allergic reactions?
Ester loca...
Local Anesthesia OSCE Questions And Answers Rated
A+
Where does the mandibular nerve pass through the skull?
Foramen Ovale
what is the length of the long needle?
32 mm
what is the length of the short needle?
20 mm
Which anesthetic has the highest occurrence of allergic reactions?
Ester local anesthetics are associated with higher incidence of allergic reactions due to one of their
metabolites para-amino benzoic acid (PABA)
what color is the 25 gauge needle?
red
what color is the 27 gauge needle?
yellow
what color is the 30 gauge needle?
blue
Where does the nasopalatine nerve pass through the skull?
Incisive Foramen
Is the maxillary division of the trigeminal nerve sensor, motor, or both?
Sensory
Is the mandibular division of the trigeminal nerve sensor, motor, or both?
Both sensory and motor
Which nerve is NOT associated with the mandibular nerve branch?
infraorbital
What does the PSA innervate?
1st, 2nd, and 3rd maxillary molars
What is most likely not going to be innervated by PSA?
Mesiobuccal root of the maxillary 1 st molar
, What injection needed to anesthetize the lingual of maxillary anteriors?
Nasopalatine
What injections needed to anesthetize the entire palate on one side?
Greater palatine and nasopalatine
How far do you insert the needle on an IANB?
20-25mm or 3/4 the length of the needle
What happens during depolarization?
sodium flows in
potassium flows out
When do you aspirate?
You should aspirate right before the anesthetic is to be deposited.
Why aspirate ?
To ensure that the local anesthetic is not deposited into a blood vessel.
What should you do if you aspirate blood?
Remove needle without depositing the anesthetic. Deposited anesthetic and
needle into appropriate area....and Try again.
Which local anesthetic is metabolized by pseudocholinesterase in the plasma?
esters
Topical anesthetics are least effective on what type of tissues?
keratinized tissues
True/False
Topical anesthetics cause no systemic problems.
TRUE
Which anesthetic has the highest occurrence of allergic reactions?
Esters (Benzocaine)
what anesthetic is the safest to use in children?
Lidocaine
which local anesthetic has one ester chain?
articaine (metabolized in both liver and blood plasma)
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