Question 1

What is the name of a common ester topical anesthetic?

Accepted Answer

A)  Lidocaine 
B)  Dyclonine hydrochloride 
C)  Prilocaine 2.5% 
D)  Benzocaine 
A)  Lidocaine 
B)  Dyclonine hydrochloride 
C)  Prilocaine 2.5% 
D)  Benzocaine D

Question 2

Which topical anesthetic has warnings about the risk of methemoglobinemia?

Accepted Answer

A)  Benzocaine creams 
B)  Benzocaine sprays 
C)  Tetracaine hydrochloride 
D)  Dyclonine hydrochloride 
A)  Benzocaine creams 
B)  Benzocaine sprays 
C)  Tetracaine hydrochloride 
D)  Dyclonine hydrochloride B

Question 3

To obtain the most benefit from the use of topical anesthetics,a fairly substantial amount of topical should be placed on the cotton tip applicator.This amount mixes with the saliva and may numb the tongue,soft palate,or pharynx.

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. D

Question 4

What is the main difference in the mechanism of action between topical anesthetics and injectable anesthetics?

Accepted Answer

A)  Location of the blocking of nerve conduction 
B)  Increase of depolarization 
C)  Decrease of excitability threshold 
D)  All of the above 
A)  Location of the blocking of nerve conduction 
B)  Increase of depolarization 
C)  Decrease of excitability threshold 
D)  All of the above

Question 5

What has the combined lidocaine/prilocaine cream been approved and effectively used for?

Accepted Answer

A)  Medical procedures 
B)  Dental procedures 
C)  Topical anesthetic for skin abrasions 
D)  All of the above 
A)  Medical procedures 
B)  Dental procedures 
C)  Topical anesthetic for skin abrasions 
D)  All of the above

Question 6

Why does the local and systemic absorption of topical anesthetics increase the risk of toxicity?

Accepted Answer

A)  Topical anesthetics do not contain vasoconstrictors. 
B)  Topical anesthetics are formulated in high concentrations. 
C)  Topical anesthetics are absorbed quickly into the tissue and blood stream due to vasodilation of the area. 
D)  All of the above 
A)  Topical anesthetics do not contain vasoconstrictors. 
B)  Topical anesthetics are formulated in high concentrations. 
C)  Topical anesthetics are absorbed quickly into the tissue and blood stream due to vasodilation of the area. 
D)  All of the above

Question 7

List the methods for delivery of topical anesthetic drugs.

Accepted Answer

Cotton tip applicators,sprays,

Question 8

Although topical anesthetics are generally regarded as safe,if used improperly they can produce adverse reactions that are fatal.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following properties are advantages to topical anesthetics being in a liquid form?

Accepted Answer

A)  Provides anesthesia to a widespread area 
B)  Useful to decrease a patient's gag reflex 
C)  Can be applied to site-specific areas with an applicator 
D)  All of the above 
E)  Some combination of the above 
A)  Provides anesthesia to a widespread area 
B)  Useful to decrease a patient's gag reflex 
C)  Can be applied to site-specific areas with an applicator 
D)  All of the above 
E)  Some combination of the above

Question 10

Tetracaine hydrochloride has a rather slow onset of action; however,it can last approximately 45 minutes.

Accepted Answer

A) True 
 B)False

Question 11

The most commonly found form of lidocaine is in base form because it is water soluble and can easily penetrate and be absorbed into the tissues.

Accepted Answer

A) True 
 B)False

Question 12

Possible localized adverse effects of topical anesthetics could include which of the following?
1) Stinging at the site of application2. Tissue discoloration3. Sloughing

Accepted Answer

A)  1, 2 
B)  2, 3 
C)  2, 3. 
D)  1, 2, 3 
E)  Some other combination 
A)  1, 2 
B)  2, 3 
C)  2, 3. 
D)  1, 2, 3 
E)  Some other combination

Question 13

Which of the following characteristics could contribute to the properties of an ideal intraoral topical anesthetic?

Accepted Answer

A)  Allergenic 
B)  Allow pain-free application 
C)  Dissolves readily at the site of application 
D)  Produces some systemic toxicity 
A)  Allergenic 
B)  Allow pain-free application 
C)  Dissolves readily at the site of application 
D)  Produces some systemic toxicity

Question 14

While at room temperature,Oraqix is in gel form in the cartridge.It will liquidate as it reaches body temperature in the periodontal pocket.

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 15

Benzocaine topical anesthetic exists almost entirely in its base form,making absorption into circulation high.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following properties is an advantage of purchasing a single-dose unit of a topical anesthetic?

Accepted Answer

A)  Dose manageable 
B)  Cost-effective 
C)  Less cross-contamination 
D)  a and c 
E)  All of the above 
A)  Dose manageable 
B)  Cost-effective 
C)  Less cross-contamination 
D)  a and c 
E)  All of the above

Question 17

What is the available concentration of Oraqix?

Accepted Answer

A)  5% lidocaine and 5% prilocaine 
B)  2.5% lidocaine and 2.5% prilocaine 
C)  14% Benzocaine, 2% butamben, and 2% tetracaine hydrochloride 
D)  20% Benzocaine and 5% lidocaine 
A)  5% lidocaine and 5% prilocaine 
B)  2.5% lidocaine and 2.5% prilocaine 
C)  14% Benzocaine, 2% butamben, and 2% tetracaine hydrochloride 
D)  20% Benzocaine and 5% lidocaine

Question 18

Which of the following are considered advantages of the application of dental topical anesthetics in a patch form?

Accepted Answer

A)  Site-specific 
B)  Multiple choices 
C)  Cost-effective 
D)  All of the above 
A)  Site-specific 
B)  Multiple choices 
C)  Cost-effective 
D)  All of the above

Question 19

What FDA Category does Oraqix fall into?

Accepted Answer

A)  Category A 
B)  Category B 
C)  Category C 
D)  Categories B or C, depending on the concentration used. 
A)  Category A 
B)  Category B 
C)  Category C 
D)  Categories B or C, depending on the concentration used.

Question 20

What is the name of a common ketone topical anesthetic?

Accepted Answer

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

What is the name of a common ester topical anesthetic?

Which topical anesthetic has warnings about the risk of methemoglobinemia?

To obtain the most benefit from the use of topical anesthetics,a fairly substantial amount of topical should be placed on the cotton tip applicator.This amount mixes with the saliva and may numb the tongue,soft palate,or pharynx.

What is the main difference in the mechanism of action between topical anesthetics and injectable anesthetics?

What has the combined lidocaine/prilocaine cream been approved and effectively used for?

Why does the local and systemic absorption of topical anesthetics increase the risk of toxicity?

List the methods for delivery of topical anesthetic drugs.

Although topical anesthetics are generally regarded as safe,if used improperly they can produce adverse reactions that are fatal.

Which of the following properties are advantages to topical anesthetics being in a liquid form?

Tetracaine hydrochloride has a rather slow onset of action; however,it can last approximately 45 minutes.

The most commonly found form of lidocaine is in base form because it is water soluble and can easily penetrate and be absorbed into the tissues.

Possible localized adverse effects of topical anesthetics could include which of the following? 1) Stinging at the site of application2. Tissue discoloration3. Sloughing

Which of the following characteristics could contribute to the properties of an ideal intraoral topical anesthetic?

While at room temperature,Oraqix is in gel form in the cartridge.It will liquidate as it reaches body temperature in the periodontal pocket.

Benzocaine topical anesthetic exists almost entirely in its base form,making absorption into circulation high.

Which of the following properties is an advantage of purchasing a single-dose unit of a topical anesthetic?

What is the available concentration of Oraqix?

Which of the following are considered advantages of the application of dental topical anesthetics in a patch form?

What FDA Category does Oraqix fall into?

What is the name of a common ketone topical anesthetic?

Local Anesthesia in Dental Hygiene Practice: an Introduction

Neurophysiology

Pharmacology of Local Anesthetic Agents

Pharmacology of Vasoconstrictors

Local Anesthetic Agents

Preanesthetic Assessment

Determining Drug Doses

Armamentariumsyringe Preparation

Anatomic Considerations for the Administration of Local Anesthesia

Basic Injection Techniques

Maxillary Nerve Anesthesia

Mandibular Nerve Anesthesia

Local Anesthetic Complications

Legal Considerations and Risk Management

Filters

Exam 6: Topical Anesthetic Agents

What is the name of a common ester topical anesthetic?

Which topical anesthetic has warnings about the risk of methemoglobinemia?

To obtain the most benefit from the use of topical anesthetics,a fairly substantial amount of topical should be placed on the cotton tip applicator.This amount mixes with the saliva and may numb the tongue,soft palate,or pharynx.

What is the main difference in the mechanism of action between topical anesthetics and injectable anesthetics?

What has the combined lidocaine/prilocaine cream been approved and effectively used for?

Why does the local and systemic absorption of topical anesthetics increase the risk of toxicity?

List the methods for delivery of topical anesthetic drugs.

Although topical anesthetics are generally regarded as safe,if used improperly they can produce adverse reactions that are fatal.

Which of the following properties are advantages to topical anesthetics being in a liquid form?

Tetracaine hydrochloride has a rather slow onset of action; however,it can last approximately 45 minutes.

The most commonly found form of lidocaine is in base form because it is water soluble and can easily penetrate and be absorbed into the tissues.

Possible localized adverse effects of topical anesthetics could include which of the following? 1) Stinging at the site of application2. Tissue discoloration3. Sloughing

Which of the following characteristics could contribute to the properties of an ideal intraoral topical anesthetic?

While at room temperature,Oraqix is in gel form in the cartridge.It will liquidate as it reaches body temperature in the periodontal pocket.

Benzocaine topical anesthetic exists almost entirely in its base form,making absorption into circulation high.

Which of the following properties is an advantage of purchasing a single-dose unit of a topical anesthetic?

What is the available concentration of Oraqix?

Which of the following are considered advantages of the application of dental topical anesthetics in a patch form?

What FDA Category does Oraqix fall into?

What is the name of a common ketone topical anesthetic?

Local Anesthesia in Dental Hygiene Practice: an Introduction

Neurophysiology

Pharmacology of Local Anesthetic Agents

Pharmacology of Vasoconstrictors

Local Anesthetic Agents

Preanesthetic Assessment

Determining Drug Doses

Armamentariumsyringe Preparation

Anatomic Considerations for the Administration of Local Anesthesia

Basic Injection Techniques

Maxillary Nerve Anesthesia

Mandibular Nerve Anesthesia

Local Anesthetic Complications

Legal Considerations and Risk Management

Filters