Question 1

The recommended concentration of epinephrine to combine with a local anesthetic is 1:200,000 for most procedures.

Accepted Answer

A) True 
 B)False

Question 2

Which two agents are known to cause clinically significant drug interactions when combined with epinephrine?

Accepted Answer

A)  Selective serotonin reuptake inhibitors and b-adrenergic antagonists 
B)  β-Adrenergic antagonists and phenothiazines 
C)  Tricyclic antidepressants and monoamine oxidase inhibitors 
D)  b-Adrenergic antagonists and tricyclic antidepressants 
E)  Benzodiazepines and monoamine oxidase inhibitors 
A)  Selective serotonin reuptake inhibitors and b-adrenergic antagonists 
B)  β-Adrenergic antagonists and phenothiazines 
C)  Tricyclic antidepressants and monoamine oxidase inhibitors 
D)  b-Adrenergic antagonists and tricyclic antidepressants 
E)  Benzodiazepines and monoamine oxidase inhibitors

Question 3

Which local anesthetic agent is neither an ester nor an amide?

Accepted Answer

A)  Propoxycaine 
B)  Dyclonine 
C)  Articaine 
D)  Lidocaine 
A)  Propoxycaine 
B)  Dyclonine 
C)  Articaine 
D)  Lidocaine

Question 4

Procaine (Novocaine)is metabolized primarily by the:

Accepted Answer

A)  liver. 
B)  lungs. 
C)  plasma. 
D)  kidneys. 
A)  liver. 
B)  lungs. 
C)  plasma. 
D)  kidneys.

Question 5

In the presence of an acidic environment, such as infection or inflammation, the amount of free base is reduced; therefore _____ of the local anesthetic is in the ionized form, making anesthesia _____ difficult.

Accepted Answer

A)  more; more 
B)  more; less 
C)  less; more 
D)  less; less 
A)  more; more 
B)  more; less 
C)  less; more 
D)  less; less

Question 6

Which portion of the chemical structure of a typical local anesthetic is considered lipophilic (lipid soluble)?

Accepted Answer

A)  Aromatic nucleus 
B)  Amino group 
C)  Both a and b 
D)  Neither a nor b 
A)  Aromatic nucleus 
B)  Amino group 
C)  Both a and b 
D)  Neither a nor b

Question 7

Which of the following agents is the most common topical local anesthetic?

Accepted Answer

A)  Lidocaine 
B)  Benzocaine 
C)  Tetracaine 
D)  Dyclonine 
A)  Lidocaine 
B)  Benzocaine 
C)  Tetracaine 
D)  Dyclonine

Question 8

_____ is an ester local anesthetic.

Accepted Answer

A)  Prilocaine (Citanest) 
B)  Tetracaine (Pontocaine) 
C)  Bupivacaine (Marcaine) 
D)  Lidocaine (Xylocaine) 
A)  Prilocaine (Citanest) 
B)  Tetracaine (Pontocaine) 
C)  Bupivacaine (Marcaine) 
D)  Lidocaine (Xylocaine)

Question 9

For lengthy dental procedures, bupivacaine is recommended over lidocaine because bupivacaine has a longer duration of action.

Accepted Answer

A) True 
 B)False

Question 10

The correct ADA color code for lidocaine 2% with epinephrine 1:100,000 is:

Accepted Answer

A)  black. 
B)  green. 
C)  red. 
D)  gold. 
E)  brown. 
A)  black. 
B)  green. 
C)  red. 
D)  gold. 
E)  brown.

Question 11

All of the following are characteristics of the ideal local anesthetic except:

Accepted Answer

A)  sterilization by autoclave. 
B)  slow onset. 
C)  reversible. 
D)  absence of local reactions. 
A)  sterilization by autoclave. 
B)  slow onset. 
C)  reversible. 
D)  absence of local reactions.

The recommended concentration of epinephrine to combine with a local anesthetic is 1:200,000 for most procedures.

Which two agents are known to cause clinically significant drug interactions when combined with epinephrine?

Which local anesthetic agent is neither an ester nor an amide?

Procaine (Novocaine)is metabolized primarily by the:

In the presence of an acidic environment, such as infection or inflammation, the amount of free base is reduced; therefore _ of the local anesthetic is in the ionized form, making anesthesia _ difficult.

Which portion of the chemical structure of a typical local anesthetic is considered lipophilic (lipid soluble)?

Which of the following agents is the most common topical local anesthetic?

_____ is an ester local anesthetic.

For lengthy dental procedures, bupivacaine is recommended over lidocaine because bupivacaine has a longer duration of action.

The correct ADA color code for lidocaine 2% with epinephrine 1:100,000 is:

All of the following are characteristics of the ideal local anesthetic except:

Information Sources, Regulatory Agencies, Drug Legislation, and Prescription Writing

Drug Action and Handling

Adverse Reactions

Autonomic Drugs

Nonopioid (Nonnarcotic)Analgesics

Opioid (Narcotic)Analgesics and Antagonists

Antiinfective Agents

Antifungal and Antiviral Agents

General Anesthetics

Antianxiety Agents

Oral Conditions and Their Treatment

Hygiene-Related Oral Disorders

Drugs for the Treatment of Cardiovascular Disease

Drugs for the Treatment of Gastrointestinal Disorders

Drugs for the Treatment of Seizure Disorders

Drugs for the Treatment of Central Nervous System Disorders

Adrenocorticosteroids

Drugs for the Treatment of Respiratory Disorders

Drugs for the Treatment of Allergic Rhinitis

Drugs for the Treatment of Diabetes Mellitus

Drugs for the Treatment of Other Endocrine Disorders

Antineoplastic Drugs

Emergency Drugs

Pregnancy and Breast Feeding

Drug Abuse

Natural/Herbal Products and Dietary Supplements

Filters

Exam 9: Local Anesthetics

The recommended concentration of epinephrine to combine with a local anesthetic is 1:200,000 for most procedures.

Which two agents are known to cause clinically significant drug interactions when combined with epinephrine?

Which local anesthetic agent is neither an ester nor an amide?

Procaine (Novocaine)is metabolized primarily by the:

In the presence of an acidic environment, such as infection or inflammation, the amount of free base is reduced; therefore _____ of the local anesthetic is in the ionized form, making anesthesia _____ difficult.

Which portion of the chemical structure of a typical local anesthetic is considered lipophilic (lipid soluble)?

Which of the following agents is the most common topical local anesthetic?

_____ is an ester local anesthetic.

For lengthy dental procedures, bupivacaine is recommended over lidocaine because bupivacaine has a longer duration of action.

The correct ADA color code for lidocaine 2% with epinephrine 1:100,000 is:

All of the following are characteristics of the ideal local anesthetic except:

Information Sources, Regulatory Agencies, Drug Legislation, and Prescription Writing

Drug Action and Handling

Adverse Reactions

Autonomic Drugs

Nonopioid (Nonnarcotic)Analgesics

Opioid (Narcotic)Analgesics and Antagonists

Antiinfective Agents

Antifungal and Antiviral Agents

General Anesthetics

Antianxiety Agents

Oral Conditions and Their Treatment

Hygiene-Related Oral Disorders

Drugs for the Treatment of Cardiovascular Disease

Drugs for the Treatment of Gastrointestinal Disorders

Drugs for the Treatment of Seizure Disorders

Drugs for the Treatment of Central Nervous System Disorders

Adrenocorticosteroids

Drugs for the Treatment of Respiratory Disorders

Drugs for the Treatment of Allergic Rhinitis

Drugs for the Treatment of Diabetes Mellitus

Drugs for the Treatment of Other Endocrine Disorders

Antineoplastic Drugs

Emergency Drugs

Pregnancy and Breast Feeding

Drug Abuse

Natural/Herbal Products and Dietary Supplements

Filters

In the presence of an acidic environment, such as infection or inflammation, the amount of free base is reduced; therefore _ of the local anesthetic is in the ionized form, making anesthesia _ difficult.