Question 1

Using the MRD from the previous question,how many cartridges of mepivacaine 3% can this 130-lb female receive?

Accepted Answer

A)  7.2 cartridges 
B)  7.6 cartridges 
C)  8.3 cartridges 
D)  15.8 cartridges 
A)  7.2 cartridges 
B)  7.6 cartridges 
C)  8.3 cartridges 
D)  15.8 cartridges

Question 2

What is the maximum dose of levonordefrin in a healthy patient?

Accepted Answer

A)  0.2 mg 
B)  1.0 mg 
C)  0.04 mg 
D)  Epinephrine should be used instead of levonordefrin. 
A)  0.2 mg 
B)  1.0 mg 
C)  0.04 mg 
D)  Epinephrine should be used instead of levonordefrin.

Question 3

What is the formula for converting the MRD to number of cartridges?

Accepted Answer

Divide the MRD in mi

Question 4

Local anesthetic drug amounts are expressed in ratios.Vasoconstrictor drug amounts are expressed in percentages.

Accepted Answer

A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true;the second statement is false. 
D)  The first statement is false;the second statement is true. 
A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true;the second statement is false. 
D)  The first statement is false;the second statement is true.

Question 5

What is the MRD for articaine for a 115-pound patient?

Accepted Answer

A)  368 mg 
B)  297 mg 
C)  230 mg 
D)  69 mg 
A)  368 mg 
B)  297 mg 
C)  230 mg 
D)  69 mg

Question 6

How much solution does the standard local anesthetic cartridge contain?

Accepted Answer

A)  1.6 mL 
B)  1.7 mL 
C)  1.8 mL 
D)  2 mL 
A)  1.6 mL 
B)  1.7 mL 
C)  1.8 mL 
D)  2 mL

Question 7

If one has to estimate the amount of local anesthetic solution that was administered from one cartridge,the width of the rubber stopper would represent how much?

Accepted Answer

A)  2 mL of solution 
B)  0.2 mL of solution 
C)  0.02 mL of solution 
D)  Never estimate 
A)  2 mL of solution 
B)  0.2 mL of solution 
C)  0.02 mL of solution 
D)  Never estimate

Question 8

How much vasoconstrictor is in one cartridge of 1:50,000?

Accepted Answer

A)  0.036 mg per cartridge 
B)  0.09 mg per cartridge 
C)  0.018 mg per cartridge 
D)  0.017 mg per cartridge 
A)  0.036 mg per cartridge 
B)  0.09 mg per cartridge 
C)  0.018 mg per cartridge 
D)  0.017 mg per cartridge

Question 9

What is the limiting factor for anesthetic in a compromised patient?

Accepted Answer

A)  Concentration of anesthetic 
B)  Vasoconstrictor 
C)  Patient's weight 
D)  Length of appointment 
A)  Concentration of anesthetic 
B)  Vasoconstrictor 
C)  Patient's weight 
D)  Length of appointment

Question 10

The manufacturer determines the MRD based on results from animal and human studies.The maximum doses determined by the manufacturer are approved by the U.S.Food and Drug Administration.

Accepted Answer

A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true;the second statement is false. 
D)  The first statement is false;the second statement is true. 
A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true;the second statement is false. 
D)  The first statement is false;the second statement is true.

Question 11

Using the information from the previous question,how many additional cartridges of 3% mepivacaine can the patient receive?

Accepted Answer

A)  0 cartridges of 3% mepivacaine;a different local anesthetic should be selected 
B)  1.8 additional cartridges of 3% mepivacaine 
C)  6.4 additional cartridges of 3% mepivacaine 
D)  2.4 additional cartridges of 3% mepivacaine 
A)  0 cartridges of 3% mepivacaine;a different local anesthetic should be selected 
B)  1.8 additional cartridges of 3% mepivacaine 
C)  6.4 additional cartridges of 3% mepivacaine 
D)  2.4 additional cartridges of 3% mepivacaine

Question 12

What is the name of the local anesthetic that is marketed as a different quantity of solution per individual cartridge?

Accepted Answer

A)  Lidocaine 
B)  Articaine 
C)  Mepivacaine 
D)  Butacaine 
A)  Lidocaine 
B)  Articaine 
C)  Mepivacaine 
D)  Butacaine

Question 13

What is the formula for calculating the healthy patient's MRD in mg?

Accepted Answer

Multiply the patient's weight

Question 14

What is the formula for converting the maximum number of cartridges to milliliters?

Accepted Answer

Multiply the number

Question 15

What is the maximum number of cartridges of 1:50,000 epinephrine that can be administered to a medically compromised patient?

Accepted Answer

A)  5.5 cartridges 
B)  11.1 cartridges 
C)  2.2 cartridges 
D)  1.1 cartridges 
A)  5.5 cartridges 
B)  11.1 cartridges 
C)  2.2 cartridges 
D)  1.1 cartridges

Using the MRD from the previous question,how many cartridges of mepivacaine 3% can this 130-lb female receive?

What is the maximum dose of levonordefrin in a healthy patient?

What is the formula for converting the MRD to number of cartridges?

Local anesthetic drug amounts are expressed in ratios.Vasoconstrictor drug amounts are expressed in percentages.

What is the MRD for articaine for a 115-pound patient?

How much solution does the standard local anesthetic cartridge contain?

If one has to estimate the amount of local anesthetic solution that was administered from one cartridge,the width of the rubber stopper would represent how much?

How much vasoconstrictor is in one cartridge of 1:50,000?

What is the limiting factor for anesthetic in a compromised patient?

The manufacturer determines the MRD based on results from animal and human studies.The maximum doses determined by the manufacturer are approved by the U.S.Food and Drug Administration.

Using the information from the previous question,how many additional cartridges of 3% mepivacaine can the patient receive?

What is the name of the local anesthetic that is marketed as a different quantity of solution per individual cartridge?

What is the formula for calculating the healthy patient's MRD in mg?

What is the formula for converting the maximum number of cartridges to milliliters?

What is the maximum number of cartridges of 1:50,000 epinephrine that can be administered to a medically compromised patient?

Local Anesthesia in Dental Hygiene Practice: an Introduction

Neurophysiology

Pharmacology of Local Anesthetic Agents

Pharmacology of Vasoconstrictors

Local Anesthetic Agents

Topical Anesthetic Agents

Preanesthetic Assessment

Armamentariumsyringe Preparation

Anatomic Considerations for the Administration of Local Anesthesia

Basic Injection Techniques

Maxillary Anesthesia

Mandibular Anesthesia

Local Anesthesia for the Child and Adolescent

Local Anesthetic Complications

Legal Considerations and Risk Management

Filters

Exam 8: Determining Drug Doses

Using the MRD from the previous question,how many cartridges of mepivacaine 3% can this 130-lb female receive?

What is the maximum dose of levonordefrin in a healthy patient?

What is the formula for converting the MRD to number of cartridges?

Local anesthetic drug amounts are expressed in ratios.Vasoconstrictor drug amounts are expressed in percentages.

What is the MRD for articaine for a 115-pound patient?

How much solution does the standard local anesthetic cartridge contain?

If one has to estimate the amount of local anesthetic solution that was administered from one cartridge,the width of the rubber stopper would represent how much?

How much vasoconstrictor is in one cartridge of 1:50,000?

What is the limiting factor for anesthetic in a compromised patient?

The manufacturer determines the MRD based on results from animal and human studies.The maximum doses determined by the manufacturer are approved by the U.S.Food and Drug Administration.

Using the information from the previous question,how many additional cartridges of 3% mepivacaine can the patient receive?

What is the name of the local anesthetic that is marketed as a different quantity of solution per individual cartridge?

What is the formula for calculating the healthy patient's MRD in mg?

What is the formula for converting the maximum number of cartridges to milliliters?

What is the maximum number of cartridges of 1:50,000 epinephrine that can be administered to a medically compromised patient?

Local Anesthesia in Dental Hygiene Practice: an Introduction

Neurophysiology

Pharmacology of Local Anesthetic Agents

Pharmacology of Vasoconstrictors

Local Anesthetic Agents

Topical Anesthetic Agents

Preanesthetic Assessment

Armamentariumsyringe Preparation

Anatomic Considerations for the Administration of Local Anesthesia

Basic Injection Techniques

Maxillary Anesthesia

Mandibular Anesthesia

Local Anesthesia for the Child and Adolescent

Local Anesthetic Complications

Legal Considerations and Risk Management

Filters