Question 1

A 2% solution of lidocaine contains ________ mg/cartridge.

Accepted Answer

The answer of A 2% solution of lidocaine contains ________...

Question 2

A 3% solution of mepivacaine contains ________ mg/cartridge.

Accepted Answer

The answer of A 3% solution of mepivacaine contains ________...

Question 3

Which of the following information for MRD is not correct?

Accepted Answer

A)   Bupivacaine = 90 mg
B)   Lidocaine = 500 mg
C)   Mepivacaine = 300 mg
D)   Prilocaine = 600 mg

Question 4

How many milligrams of epinephrine 1:200,000 are available in two cartridges?

Accepted Answer

A)   0.018
B)   0.18
C)   0.036
D)   0.016

Question 5

A 180-pound patient has received three cartridges of 2% lidocaine, 1:100,000 epinephrine. How many additional milligrams of 4% articaine, 1:200,000 epinephrine can be administered before reaching the MRD?

Accepted Answer

A)   72 mg
B)   192 mg
C)   228 mg
D)   392 mg D

Question 6

Using Clark's rule, a 12-year old, 90 pound child has received two cartridges of 2% lidocaine. How many more cartridges of lidocaine can this child receive before reaching MRD?

Accepted Answer

A)   3
B)   6
C)   7
D)   8

Question 7

Clark's rule for determining pediatric drug doses is based on a child's weight divided by 150 to get the approximate fraction of the adult dose.

Accepted Answer

A) True 
 B)False

Question 8

The maximum safe dose of 1:50,000 epinephrine per appointment for a healthy adult is 0.2 mg or 5.5 cartridges.

Accepted Answer

A) True 
 B)False

Question 9

Match the following:
-Young's rule

Accepted Answer

A)   MRD 90 mg
B)   MRD 0.04 mg
C)   3.2 mg/lb
D)   3.6 mg/lb
E)   MRD 500 mgF)  54 mg/cartridgeG)  Based on child's weightH)  1.8 mlI)  MRD 1.0 mgJ)  Based on child's age

Question 10

In solutions containing both a local anesthetic and a vasoconstrictor drug, the maximum recommended dose of the local anesthetic is usually the limiting drug.

Accepted Answer

A) True 
 B)False

Question 11

The MRD for bupivacaine is:

Accepted Answer

A)   200 mg
B)   90 mg
C)   300 mg
D)   500 mg

Question 12

Match the following:
-Mepivacaine

Accepted Answer

A)   MRD 90 mg
B)   MRD 0.04 mg
C)   3.2 mg/lb
D)   3.6 mg/lb
E)   MRD 500 mgF)  54 mg/cartridgeG)  Based on child's weightH)  1.8 mlI)  MRD 1.0 mgJ)  Based on child's age

Question 13

A 120-pound patient has received three cartridges of 4% prilocaine, 1:200:000 epinephrine. How many more milligrams of prilocaine can this patient receive before reaching the MRD?

Accepted Answer

A)   72 mg
B)   216 mg
C)   432 mg
D)   600 mg

Question 14

What factors are needed to calculate the local anesthetic drug dose delivered for a given patient?

Accepted Answer

The following factors are need...

Question 15

A patient has received four cartridges of 4% articaine, 1:200,000 epinephrine. How many milligrams of vasoconstrictor has the patient received?

Accepted Answer

A)   0.018
B)   0.036
C)   0.072
D)   0.36 B

Question 16

A healthy 160-pound patient has received three cartridges of 2% lidocaine, 1:50,000 epinephrine during an oral surgical procedure. How many more cartridges with the same drug could this patient receive before reaching the MRD?

Accepted Answer

A)   2
B)   5
C)   8
D)   10

Question 17

Match the following:
-Cartridge volume

Accepted Answer

A)   MRD 90 mg
B)   MRD 0.04 mg
C)   3.2 mg/lb
D)   3.6 mg/lb
E)   MRD 500 mgF)  54 mg/cartridgeG)  Based on child's weightH)  1.8 mlI)  MRD 1.0 mgJ)  Based on child's age

Question 18

How many milligrams of epinephrine 1:50,000 are available in one cartridge?

Accepted Answer

A)   0.018 mg
B)   0.050 mg
C)   0.036 mg
D)   0.2 mg

Question 19

Match the following:
-Prilocaine

Accepted Answer

A)   MRD 90 mg
B)   MRD 0.04 mg
C)   3.2 mg/lb
D)   3.6 mg/lb
E)   MRD 500 mgF)  54 mg/cartridgeG)  Based on child's weightH)  1.8 mlI)  MRD 1.0 mgJ)  Based on child's age

Question 20

When two different drugs are injected, the total of the MRDs for both drugs is the maximum number of milligrams of drugs the patient may receive.

Accepted Answer

A) True 
 B)False  False

Exam 7: Dose Calculations for Local Anesthetic Solutions

A 2% solution of lidocaine contains ________ mg/cartridge.

Correct AnswerverifiedShow Answer

A 3% solution of mepivacaine contains ________ mg/cartridge.

Correct AnswerverifiedShow Answer

Which of the following information for MRD is not correct?

Correct AnswerverifiedShow Answer

How many milligrams of epinephrine 1:200,000 are available in two cartridges?

Correct AnswerverifiedShow Answer

A 180-pound patient has received three cartridges of 2% lidocaine, 1:100,000 epinephrine. How many additional milligrams of 4% articaine, 1:200,000 epinephrine can be administered before reaching the MRD?

Correct AnswerverifiedD

Using Clark's rule, a 12-year old, 90 pound child has received two cartridges of 2% lidocaine. How many more cartridges of lidocaine can this child receive before reaching MRD?

Correct AnswerverifiedShow Answer

Clark's rule for determining pediatric drug doses is based on a child's weight divided by 150 to get the approximate fraction of the adult dose.

Correct AnswerverifiedShow Answer

The maximum safe dose of 1:50,000 epinephrine per appointment for a healthy adult is 0.2 mg or 5.5 cartridges.

Correct AnswerverifiedShow Answer

Match the following: -Young's rule

Correct AnswerverifiedShow Answer

In solutions containing both a local anesthetic and a vasoconstrictor drug, the maximum recommended dose of the local anesthetic is usually the limiting drug.

Correct AnswerverifiedShow Answer

The MRD for bupivacaine is:

Correct AnswerverifiedShow Answer

Match the following: -Mepivacaine

Correct AnswerverifiedShow Answer

A 120-pound patient has received three cartridges of 4% prilocaine, 1:200:000 epinephrine. How many more milligrams of prilocaine can this patient receive before reaching the MRD?

Correct AnswerverifiedShow Answer

What factors are needed to calculate the local anesthetic drug dose delivered for a given patient?

Correct AnswerverifiedThe following factors are need...View AnswerShow Answer

A patient has received four cartridges of 4% articaine, 1:200,000 epinephrine. How many milligrams of vasoconstrictor has the patient received?

Correct AnswerverifiedB

A healthy 160-pound patient has received three cartridges of 2% lidocaine, 1:50,000 epinephrine during an oral surgical procedure. How many more cartridges with the same drug could this patient receive before reaching the MRD?

Correct AnswerverifiedShow Answer

Match the following: -Cartridge volume

Correct AnswerverifiedShow Answer

How many milligrams of epinephrine 1:50,000 are available in one cartridge?

Correct AnswerverifiedShow Answer

Match the following: -Prilocaine

Correct AnswerverifiedShow Answer

When two different drugs are injected, the total of the MRDs for both drugs is the maximum number of milligrams of drugs the patient may receive.

Correct AnswerverifiedFalse

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D

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The following factors are need...
View Answer

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B

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False