Question 1

Which of the following factors influence(s)duration of anesthesia?

Accepted Answer

A)  Individual response 
B)  Accuracy of administration 
C)  Vascularity of tissue 
D)  All options listed 
A)  Individual response 
B)  Accuracy of administration 
C)  Vascularity of tissue 
D)  All options listed

Question 2

What is the solution that is added to the cartridge of local anesthetic to prevent oxidation of the vasoconstrictor called?

Accepted Answer

A)  Vasoconstrictor preservative 
B)  Sodium hydroxide 
C)  Sodium chloride 
D)  Methylparaben 
A)  Vasoconstrictor preservative 
B)  Sodium hydroxide 
C)  Sodium chloride 
D)  Methylparaben

Question 3

Currently,no anesthetic cartridges contain methylparaben.

Accepted Answer

A) True 
 B)False

Question 4

What is the term used to describe the persistent anesthesia or the altered sensation of tingling or itching beyond the expected duration of local anesthetic?

Accepted Answer

A)  Paresthesia 
B)  Paralysis 
C)  All options listed 
D)  None of the options listed 
A)  Paresthesia 
B)  Paralysis 
C)  All options listed 
D)  None of the options listed

Question 5

Articaine local anesthetic cartridges are labeled that they contain 1.7 mL of solution.

Accepted Answer

A) True 
 B)False

Question 6

All of the following local anesthetic agents would be considered safer for cardiovascular patients EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)  4% prilocaine 1:200,000 epinephrine 
B)  4% articaine 1:200,000 epinephrine 
C)  2% lidocaine 1:100,000 epinephrine 
D)  4% prilocaine,plain 
A)  4% prilocaine 1:200,000 epinephrine 
B)  4% articaine 1:200,000 epinephrine 
C)  2% lidocaine 1:100,000 epinephrine 
D)  4% prilocaine,plain

Question 7

What is the solution that was added to the cartridge of local anesthetic to prevent bacterial growth?

Accepted Answer

A)  Vasoconstrictor preservative 
B)  Sodium hydroxide 
C)  Sodium chloride 
D)  Methylparaben 
A)  Vasoconstrictor preservative 
B)  Sodium hydroxide 
C)  Sodium chloride 
D)  Methylparaben

Question 8

Increasing the pH of local anesthetic agents toward physiologic prior to injection is referred to as which of the following?

Accepted Answer

A)  Propagation 
B)  Onset 
C)  Biotransformation 
D)  Anesthetic buffering 
A)  Propagation 
B)  Onset 
C)  Biotransformation 
D)  Anesthetic buffering

Question 9

Intermediate-action anesthetics are most commonly used for regular restorative dentistry and nonsurgical periodontal therapy.

Accepted Answer

A) True 
 B)False

Question 10

What is the solution that is added to the cartridge of local anesthetic that can trigger bronchospasms?

Accepted Answer

A)  Vasoconstrictor preservative 
B)  Sodium hydroxide 
C)  Sodium chloride 
D)  Methylparaben 
A)  Vasoconstrictor preservative 
B)  Sodium hydroxide 
C)  Sodium chloride 
D)  Methylparaben

Question 11

There are two main classifications of local anesthetic agents: esters and amides.Esters are metabolized in the liver,and most amides are metabolized in the plasma.

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 12

Marcaine is the proprietary name for which of the following?

Accepted Answer

A)  Mepivacaine 
B)  Bupivacaine 
C)  Carbocaine 
D)  Xylocaine,alphacaine,octocaine 
A)  Mepivacaine 
B)  Bupivacaine 
C)  Carbocaine 
D)  Xylocaine,alphacaine,octocaine

Question 13

Among local anesthetics procaine has the highest percentage of protein binding and is the most lipid soluble.

Accepted Answer

A) True 
 B)False

Question 14

Name the local anesthetic that has the shortest half-life and the lowest risk for systemic toxicity.

Accepted Answer

The answer of Name the local anesthetic that has the...

Question 15

Sodium chloride is a buffer creating an injectable solution that is isotonic.

Accepted Answer

A) True 
 B)False

Question 16

Name the local amide anesthetic agent that has the highest dissociation constant,and explain what this high dissociation constant means.

Accepted Answer

Bupivacaine has the highest pK

Question 17

Which amide anesthetic agent is metabolized by the lungs before it reaches the liver?

Accepted Answer

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

Question 18

Which of the following statements is (are)true regarding local anesthetics and allergic reactions?

Accepted Answer

A)  Sulfite sensitivities have been well documented and may rule out anesthetic formulations that contain vasoconstrictors. 
B)  Only 1% of reactions associated with administration of local anesthetics are true allergies. 
C)  A documented drug allergy would indicate the need for an alternative drug selection and may represent an absolute contraindication to the offending drug. 
D)  All options listed 
A)  Sulfite sensitivities have been well documented and may rule out anesthetic formulations that contain vasoconstrictors. 
B)  Only 1% of reactions associated with administration of local anesthetics are true allergies. 
C)  A documented drug allergy would indicate the need for an alternative drug selection and may represent an absolute contraindication to the offending drug. 
D)  All options listed

Question 19

What is the advantage of the thiophene ring found in articaine?

Accepted Answer

A)  It stimulates bone penetration properties. 
B)  It allows a slower metabolism,thus decreasing the risk of systemic toxicity. 
C)  It gives the molecule better diffusion properties compared with lidocaine. 
D)  All options listed. 
A)  It stimulates bone penetration properties. 
B)  It allows a slower metabolism,thus decreasing the risk of systemic toxicity. 
C)  It gives the molecule better diffusion properties compared with lidocaine. 
D)  All options listed.

Question 20

Which of the following statements best describes levonordefrin?

Accepted Answer

A)  Levonordefrin is a vasoconstrictor added to mepivacaine. 
B)  Levonordefrin is a vasodilator added to mepivacaine. 
C)  Levonordefrin is an amide local anesthetic. 
D)  Levonordefrin is an ester local anesthetic that is not used in dentistry today. 
A)  Levonordefrin is a vasoconstrictor added to mepivacaine. 
B)  Levonordefrin is a vasodilator added to mepivacaine. 
C)  Levonordefrin is an amide local anesthetic. 
D)  Levonordefrin is an ester local anesthetic that is not used in dentistry today.

Which of the following factors influence(s)duration of anesthesia?

What is the solution that is added to the cartridge of local anesthetic to prevent oxidation of the vasoconstrictor called?

Currently,no anesthetic cartridges contain methylparaben.

What is the term used to describe the persistent anesthesia or the altered sensation of tingling or itching beyond the expected duration of local anesthetic?

Articaine local anesthetic cartridges are labeled that they contain 1.7 mL of solution.

All of the following local anesthetic agents would be considered safer for cardiovascular patients EXCEPT one.Which one is the EXCEPTION?

What is the solution that was added to the cartridge of local anesthetic to prevent bacterial growth?

Increasing the pH of local anesthetic agents toward physiologic prior to injection is referred to as which of the following?

Intermediate-action anesthetics are most commonly used for regular restorative dentistry and nonsurgical periodontal therapy.

What is the solution that is added to the cartridge of local anesthetic that can trigger bronchospasms?

There are two main classifications of local anesthetic agents: esters and amides.Esters are metabolized in the liver,and most amides are metabolized in the plasma.

Marcaine is the proprietary name for which of the following?

Among local anesthetics procaine has the highest percentage of protein binding and is the most lipid soluble.

Name the local anesthetic that has the shortest half-life and the lowest risk for systemic toxicity.

Sodium chloride is a buffer creating an injectable solution that is isotonic.

Name the local amide anesthetic agent that has the highest dissociation constant,and explain what this high dissociation constant means.

Which amide anesthetic agent is metabolized by the lungs before it reaches the liver?

Which of the following statements is (are)true regarding local anesthetics and allergic reactions?

What is the advantage of the thiophene ring found in articaine?

Which of the following statements best describes levonordefrin?

Local Anesthesia in Dental Hygiene Practice: an Introduction

Neurophysiology

Pharmacology of Local Anesthetic Agents

Pharmacology of Vasoconstrictors

Topical Anesthetic Agents

Preanesthetic Assessment

Determining Drug Doses

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 5: Local Anesthetic Agents

Which of the following factors influence(s)duration of anesthesia?

What is the solution that is added to the cartridge of local anesthetic to prevent oxidation of the vasoconstrictor called?

Currently,no anesthetic cartridges contain methylparaben.

What is the term used to describe the persistent anesthesia or the altered sensation of tingling or itching beyond the expected duration of local anesthetic?

Articaine local anesthetic cartridges are labeled that they contain 1.7 mL of solution.

All of the following local anesthetic agents would be considered safer for cardiovascular patients EXCEPT one.Which one is the EXCEPTION?

What is the solution that was added to the cartridge of local anesthetic to prevent bacterial growth?

Increasing the pH of local anesthetic agents toward physiologic prior to injection is referred to as which of the following?

Intermediate-action anesthetics are most commonly used for regular restorative dentistry and nonsurgical periodontal therapy.

What is the solution that is added to the cartridge of local anesthetic that can trigger bronchospasms?

There are two main classifications of local anesthetic agents: esters and amides.Esters are metabolized in the liver,and most amides are metabolized in the plasma.

Marcaine is the proprietary name for which of the following?

Among local anesthetics procaine has the highest percentage of protein binding and is the most lipid soluble.

Name the local anesthetic that has the shortest half-life and the lowest risk for systemic toxicity.

Sodium chloride is a buffer creating an injectable solution that is isotonic.

Name the local amide anesthetic agent that has the highest dissociation constant,and explain what this high dissociation constant means.

Which amide anesthetic agent is metabolized by the lungs before it reaches the liver?

Which of the following statements is (are)true regarding local anesthetics and allergic reactions?

What is the advantage of the thiophene ring found in articaine?

Which of the following statements best describes levonordefrin?

Local Anesthesia in Dental Hygiene Practice: an Introduction

Neurophysiology

Pharmacology of Local Anesthetic Agents

Pharmacology of Vasoconstrictors

Topical Anesthetic Agents

Preanesthetic Assessment

Determining Drug Doses

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