Local Anesthetics

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1/20 Questions

An important metabolite of procaine is..
- PABA
- Methylmalonic acid
- NE

About This Quiz

Clinical Neuro 3

2.

Last fibers to lose function with use of local anesthesia
- Muscle spindles
- Pain fibers
- Motor fibers
Correct Answer

A. Motor fibers
3.

Allergic reaction may occur with this class of local anesthetic drugs..
- Aminoesters
- Aminoamides
- Adrenergic agonists
Correct Answer

A. Aminoesters
4.

EMLA consists of..
- Tetracaine + cocaine + epinephrine
- Lidocaine + prilocaine
- Ropivicaine + levobupivicaine
Correct Answer

A. Lidocaine + prilocaine
5.

TAC consists of..
- Tetracaine + cocaine + epinephrine
- Lidocaine + prilocaine
- Ropivicaine + levobupivicaine
Correct Answer

A. Tetracaine + cocaine + epinephrine
6.

This drug is associated w/cardiotoxicity
- Ropivicaine
- Bupivacaine
- Cocaine
Correct Answer

A. Bupivacaine
7.

TAC is used prior to
- Suturing small cuts
- Performing surgery
- Giving birth
Correct Answer

A. Suturing small cuts
8.

The primary use of tetracaine is..
- Infiltration anesthesia
- Spinal & topical anesthesia
- Dental procedures
Correct Answer

A. Spinal & topical anesthesia
9.

This drug can be used for opthalmic anesthesia..
- Cocaine
- Tetracaine
- Lidocaine
Correct Answer

A. Cocaine
10.

This property determines the duration of action & side effects of the local anesthetic agent..
- Extracellular pH and amino portion of the drug
- Hydrophobicity and aromatic ring portion of the drug
- Ester-amide bond between aromatic ring and amino portions of drug
Correct Answer

A. Ester-amide bond between aromatic ring and amino portions of drug
11.

When a fixed ratio of Na+ channels are blocked at all times, minimizing the blockade of non-pain sensory modalities
- Tonic inhibition
- Feedback inhibition
- Phasic inhibition
Correct Answer

A. Tonic inhibition
12.

Tonic inhibition occurs in ... ; phasic inhibition occurs in..
- Inactive tissues; highly stimulated tissues
- Actively dividing tissues; highly stimulated tissues
- Highly stimulated tissues; actively dividing tissues
Correct Answer

A. Inactive tissues; highly stimulated tissues
13.

This property determines the rate of onset & potency of the local anesthetic agent..
- Extracellular pH and amino portion of the drug
- Hydrophobicity and aromatic ring portion of the drug
- Ester-amide bond between aromatic ring and amino portions of drug
Correct Answer

A. Extracellular pH and amino portion of the drug
14.

If epinephrine is contraindicated, you could use..
- Tetracaine
- Prilocaine
- Ropivicaine
Correct Answer

A. Prilocaine
15.

This drug does not cause significant vasodilation
- Bupivacaine
- Tetracaine
- Mepivacaine
Correct Answer

A. Mepivacaine
16.

This property determines the efficacy of the local anesthetic agent..
- Extracellular pH and amino portion of the drug
- Hydrophobicity and aromatic ring portion of the drug
- Ester-amide bond between aromatic ring and amino portions of drug
Correct Answer

A. Hydrophobicity and aromatic ring portion of the drug
17.

When the degree of inhibition increases w/rate of AP, maximizing selective inhibition of pain signal
- Tonic inhibition
- Feedback inhibition
- Phasic inhibition
Correct Answer

A. Phasic inhibition
18.

DOC for pediatric dental procedures
- Mepivcaine
- Lidocaine
- Procaine
Correct Answer

A. Mepivcaine
19.

This drug is popularly used in OB procedures..
- Lidocaine
- Levobuvicaine
- 2-chlorprocaine
Correct Answer

A. 2-chlorprocaine
20.

The primary use of procaine is..
- Infiltration anesthesia
- Spinal & topical anesthesia
- Dental procedures
Correct Answer

A. Infiltration anesthesia

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Current Version
Nov 10, 2016

Quiz Edited by
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May 10, 2011

Quiz Created by
Drhermy

Local Anesthetics

An important metabolite of procaine is..

Quiz Preview

Last fibers to lose function with use of local anesthesia

Allergic reaction may occur with this class of local anesthetic drugs..

EMLA consists of..

TAC consists of..

This drug is associated w/cardiotoxicity

TAC is used prior to

The primary use of tetracaine is..

This drug can be used for opthalmic anesthesia..

This property determines the duration of action & side effects of the local anesthetic agent..

When a fixed ratio of Na+ channels are blocked at all times, minimizing the blockade of non-pain sensory modalities

Tonic inhibition occurs in ... ; phasic inhibition occurs in..

This property determines the rate of onset & potency of the local anesthetic agent..

If epinephrine is contraindicated, you could use..

This drug does not cause significant vasodilation

This property determines the efficacy of the local anesthetic agent..

When the degree of inhibition increases w/rate of AP, maximizing selective inhibition of pain signal

DOC for pediatric dental procedures

This drug is popularly used in OB procedures..

The primary use of procaine is..