WREB Study Guide UPDATED Exam
Questions and CORRECT Answers
Your pt is allergic to sulfites but was given a vasoconstrictor, what may happen to this pt? -
CORRECT ANSWER - enzyme due to catecholamines
Amides are bio transformed in the? - CORRECT ANSWER - liver
What is the preservative found in LA? - CORRECT ANSWER - sodium bisulfite
Pt has syncope, what position my the pt need to be in? - CORRECT ANSWER - head in
line with feet (weird worded, usually laying down with feet elevated above the heart)
Why would you use a 25 gauge over a 30 gauge needle and vise versa? - CORRECT
ANSWER - Less deflection and better visibility for positive aspiration. 30g may be harder
to see and produce a great chance of toxicity
You have a 43 year old pt, your pt is on a beta blocker (propranolol), has high blood pressure,
copd, ect...
What is the main concern when administering a LA?
What is the limiting factor for this pt?
What should be available during tx? - CORRECT ANSWER - beta blocker
Vasoconstrictor
nitroglycerin and sucrose (oj)
What injection would you give to numb #22 and 23?
a) mental
b) incisive
c) IA
, d) Long buccal - CORRECT ANSWER - Incisive
What preservative is in Mepivicaine? - CORRECT ANSWER - None
Your pt can not receive epi, what is the best la for this pt? - CORRECT ANSWER - 3%
mepivicaine
You have a 40 lb child that was give Mepivicaine 3%, how many cartridges can they have? -
CORRECT ANSWER - (40x2=80mg, 3x18=54 mgs per cartridge, 80/54=)1.5 cartridge
Your pt is an unhealthy, medically compromised pt. How much epi can they have? - CORRECT
ANSWER - 0.04
How many cartridges for a healthy pt given lido? - CORRECT ANSWER - 8 cartridges
1:100k to 1:50k =? - CORRECT ANSWER - 1/2 as much
Pt is healthy, what local anesthetic would you give? - CORRECT ANSWER - 2% lido
1:100k
Greater palatine anesthetizes what? - CORRECT ANSWER - posterior portion of the hard
palate anteriorly as far as the most posterior molar to the 1st molar medially to the midline
This happens when you go deep into the parotid gland into the facial nerve (7th nerve)? -
CORRECT ANSWER - Facial nerve paralysis (bell palsys)
Symptom of epi over dose? - CORRECT ANSWER - Fear and anxiety (look up rest)
Questions and CORRECT Answers
Your pt is allergic to sulfites but was given a vasoconstrictor, what may happen to this pt? -
CORRECT ANSWER - enzyme due to catecholamines
Amides are bio transformed in the? - CORRECT ANSWER - liver
What is the preservative found in LA? - CORRECT ANSWER - sodium bisulfite
Pt has syncope, what position my the pt need to be in? - CORRECT ANSWER - head in
line with feet (weird worded, usually laying down with feet elevated above the heart)
Why would you use a 25 gauge over a 30 gauge needle and vise versa? - CORRECT
ANSWER - Less deflection and better visibility for positive aspiration. 30g may be harder
to see and produce a great chance of toxicity
You have a 43 year old pt, your pt is on a beta blocker (propranolol), has high blood pressure,
copd, ect...
What is the main concern when administering a LA?
What is the limiting factor for this pt?
What should be available during tx? - CORRECT ANSWER - beta blocker
Vasoconstrictor
nitroglycerin and sucrose (oj)
What injection would you give to numb #22 and 23?
a) mental
b) incisive
c) IA
, d) Long buccal - CORRECT ANSWER - Incisive
What preservative is in Mepivicaine? - CORRECT ANSWER - None
Your pt can not receive epi, what is the best la for this pt? - CORRECT ANSWER - 3%
mepivicaine
You have a 40 lb child that was give Mepivicaine 3%, how many cartridges can they have? -
CORRECT ANSWER - (40x2=80mg, 3x18=54 mgs per cartridge, 80/54=)1.5 cartridge
Your pt is an unhealthy, medically compromised pt. How much epi can they have? - CORRECT
ANSWER - 0.04
How many cartridges for a healthy pt given lido? - CORRECT ANSWER - 8 cartridges
1:100k to 1:50k =? - CORRECT ANSWER - 1/2 as much
Pt is healthy, what local anesthetic would you give? - CORRECT ANSWER - 2% lido
1:100k
Greater palatine anesthetizes what? - CORRECT ANSWER - posterior portion of the hard
palate anteriorly as far as the most posterior molar to the 1st molar medially to the midline
This happens when you go deep into the parotid gland into the facial nerve (7th nerve)? -
CORRECT ANSWER - Facial nerve paralysis (bell palsys)
Symptom of epi over dose? - CORRECT ANSWER - Fear and anxiety (look up rest)
