CDCA Review: Local Anesthesia Questions with correct Answers 100% Verified
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Cdca local anesthesia
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Cdca Local Anesthesia
CDCA Review: Local Anesthesia Questions with correct Answers 100% Verified
What local anesthetic is metabolized by pseudocholinesterase? - Correct Answers Esters
Where are ester local anesthetics hydrolyzed? - Correct Answers In the blood plasma by the enzyme pseudocholinesterase
Which antis...
CDCA Review: Local Anesthesia Questions with correct
Answers 100% Verified
What local anesthetic is metabolized by pseudocholinesterase? - Correct Answers Esters
Where are ester local anesthetics hydrolyzed? - Correct Answers In the blood plasma by the enzyme pseudocholinesterase
Which antiseptic should not be used? - Correct Answers Liquid Alcohol
Before using a cartridge you should: 1) wipe it with disinfectant 2) soak it in alcohol
3) autoclave it and or sterilize it? - Correct Answers None of the above
What part of the syringe indicates that it is an aspirating syringe? - Correct Answers Harpoon
What is a possible cause of pain on removal of the needle? - Correct Answers Needle barb from impaling bone
If there is no organic basis for pain - Correct Answers Psychogenic pain
How does a self aspirating syringe work - Correct Answers When you let off pressure from injecting it self-aspirates (negative pressure built into the syringe)
When do you aspirate? - Correct Answers Immediately before you inject local anesthetic
What is the action of vasodepressors in local anesthetic? - Correct Answers increases depth and duration of anesthetic, decreases absorption of local anesthetic and vasopressor
Maximum Doses of Epinephrine - Correct Answers Normal healthy patient - .2 mg Cardiac patient - .04 mg
How much epinephrine is in a cartridge of 1:50,000 epinephrine? - Correct Answers .036 mg
How much epinephrine is in a cartridge of 1:100,000 epinephrine? - Correct Answers .018 mg
How much epinephrine is in a cartridge of 1:200,000 epinephrine? - Correct Answers .009 mg
What causes a hematoma? - Correct Answers Effusion of blood into extravascular spaces and can result from nicking a blood vessel, artery or vein. Common in pterygoid plexus of veins with a PSA injection.
Treatment of Hematoma - Correct Answers Apply pressure for at least 2 minutes, Ice the area immediately, and then use warm moist towels 4-6 hours after to area, rinse with salt water
In which injection is a hematoma most likely to occur? - Correct Answers PSA
What is the volume of local anesthetic in a cartridge? - Correct Answers 1.8 mL or 1.7 mL
How do you determine gauge and lumen size of a needle? - Correct Answers Smaller the number, larger the lumen
30 = small
27 = intermediate
25 = large
Which needle gauge has the smallest lumen? - Correct Answers 30 gauge
What sensation is lost first? - Correct Answers Pain
What function does sodium chloride provide in local anesthetic solution? - Correct Answers Makes the solution isotonic with tissue
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