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