Local Anesthesia Prometric | Questions and Answers 2024
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Course
DEntistry
Institution
DEntistry
Local Anesthesia Prometric | Questions and Answers 2024
If #15 has a periodontal abscess and you've already given the PSA, what other injection will you need to numb the lingual? **** Greater Palatine
You are scaling the lingual of #13, where would you give the injection for an infiltra...
Local Anesthesia Prometric | Questions and Answers 2024
If #15 has a periodontal abscess and you've already given the PSA, what other injection
will you need to numb the lingual? **** Greater Palatine
You are scaling the lingual of #13, where would you give the injection for an infiltration?
Mucobuccal fold, Mucogingival junction, free gingival margin, or apex of #13 ****
Free gingival margin
A central incisor has a periodontal defect on the lingual root surface, what injection
would you use? **** Nasopalatine
What is the treatment for a hematoma? **** Cold and compression for 12 hours
You are seeing a patient for SRP and they have Cirrhosis of the liver, what
complications could arise from using an amide local anesthetic? **** Patient has
complications metabolizing the drug
What best describes a topical anesthetic? **** #1. Works on mucous membranes.
#2 not systemically toxic
*****Where would topical anesthetic be least affective? **** Keratinized/palatal
tissue
What is the shelf-life of LA? **** Expiration date on cartridge
What would happen if you administered 1 ml of solution per min?
A. No problems
B. Discomfort for patient **** No problems
Why doesn't LA work in infected areas? **** The infected area is more acidic which
does not allow ionization of sodium molecules
What are the safe doses of epinephrine for a cardiac patient and a healthy patient?
***0.2 mm for healthy
0.04 mm for cardiac pt
Some manufactures have changed how many mL of solution are in a cartridge. How
much would be administered if you had given 2 full cartridges? **** 3.4-3.6
Where is most likely to use a long needle? **** IA
How much mL is in a single cartridge of LA? **** 1.8 ml
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, Which gauge has the smallest lumen? **** Smaller number, larger lumen
Which sensation is lost first? **** Pain
What function does sodium chloride provide in LA solutions? **** Makes the solution
isotonic
***What is the purpose of sodium bisulfate in LA? **** Antioxidant preventing
biodegration of LA
What do vasopressors do? **** Increases duration
What would cause a dry cornea? **** IA injection not contacting bone and going into
parotid gland - anesthesia to the facial nerve
Where does the mandibular nerve pass through in the skull? **** Foramen Ovale
****Where does the nasopalatine nerve pass through? **** Incisive foramen
Maxillary division of the trigeminal nerve is: **** Sensory
***Which nerve is NOT associated with the mandibular nerve branch? ****
Infraorbital
Where does the PSA not innervate? **** MB root of the maxillary 1st molar
****What injection is needed to anesthetize the lingual of maxillary anteriors? ****
Nasopalatine
****What injections are needed to anesthetize the entire palate on one side? ****
Greater Palatine and Nasopalatine
****How far do you insert the needle on the IA? **** 20-25 mm or 3/4 length of the
needle
****What happens during depolarization? **** Sodium in and potassium out
Which local anesthetic is metabolized by pseudocholinesterase? **** Esters
****Which has the highest occurrence of allergic reactions? **** Ester (Benzocaine)
****Why is the significance of giving an amide anesthetic to a patient with cirrhosis?
**** Due to amide anesthetics being metabolized by the liver
****Psychogenic pain question **** No organic base for the pain
For help with assignments, discussions, research papers, Ms. excel and ppt tasks contact
informationhimher@gmail.com
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