Question 1

Vasodilation of the blood vessels at the site of the administration of a local anesthetic will cause what?

Accepted Answer

A)  An increased rate of anesthetic absorption 
B)  A decrease in the duration of the anesthetic 
C)  Increased risk of toxicity 
D)  All options listed 
A)  An increased rate of anesthetic absorption 
B)  A decrease in the duration of the anesthetic 
C)  Increased risk of toxicity 
D)  All options listed

Question 2

Adrenalin comes in concentrations of 1:50,000,1:100,000,and 1:200,000.

Accepted Answer

A) True 
 B)False

Question 3

The absorption of epinephrine is retarded because of the drug's vasoconstricting properties.It may take several hours for absorption to be completed.

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 4

Levarterenol is no longer available in the United States.

Accepted Answer

A) True 
 B)False

Question 5

More concentrated formulations of epinephrine are safer for patients who are cardiovascularly compromised.More diluted formulations of epinephrine provide the greatest bleeding control.

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 6

The number of 1:50,000 epinephrine-anesthesia cartridges that a patient with cardiovascular disease may have per dental appointment is ______.

Accepted Answer

The answer of The number of 1:50,000 epinephrine-anesthesia cartridges that...

Question 7

Why are vasoconstrictors important additives to the local anesthetic solution?

Accepted Answer

A)  They provide hemostasis at the injection site. 
B)  They reduce the possibility of systemic toxicity. 
C)  They prolong the duration of the anesthetic's effect. 
D)  All options listed 
A)  They provide hemostasis at the injection site. 
B)  They reduce the possibility of systemic toxicity. 
C)  They prolong the duration of the anesthetic's effect. 
D)  All options listed

Question 8

Which receptors have inhibitory actions from adrenergic drugs on smooth muscle?

Accepted Answer

A)  Alpha receptors 
B)  Beta receptors 
C)  Alpha and beta receptors are equal 
D)  Adrenergic receptors 
A)  Alpha receptors 
B)  Beta receptors 
C)  Alpha and beta receptors are equal 
D)  Adrenergic receptors

Question 9

Why are vasoconstrictors added to local anesthetics?

Accepted Answer

A)  To increase the potency of the local anesthetic 
B)  To inhibit the oxidation of the local anesthetic 
C)  To counteract the vasodilating properties of the local anesthetic 
D)  All options listed 
A)  To increase the potency of the local anesthetic 
B)  To inhibit the oxidation of the local anesthetic 
C)  To counteract the vasodilating properties of the local anesthetic 
D)  All options listed

Question 10

Which of the following vasoconstrictors are NOT added to dental local anesthetic drugs in the United States?

Accepted Answer

A)  Phenylephrine 
B)  Felypressin 
C)  Norepinephrine 
D)  All options listed 
E)  None of the above 
A)  Phenylephrine 
B)  Felypressin 
C)  Norepinephrine 
D)  All options listed 
E)  None of the above

Question 11

Why is there such a difference in the number of epinephrine-anesthesia cartridges that a healthy patient may have per dental appointment and that a patient with cardiovascular disease may have per dental appointment?

Accepted Answer

Epinephrine mimics effects bought about

Question 12

Neleen indicates on her health history that she is allergic to novocaine and sulfa drugs.What patient education might you provide to Neleen?

Accepted Answer

A)  Explain that novocaine is in the ester family of drugs and you will be using a local anesthetic from the amide family. 
B)  Explain that,because she is allergic to novocaine and to sulfa drugs,you will be using a local anesthetic without a preservative. 
C)  Explain that,because she is allergic to sulfa drugs,you will be using a local anesthetic with a vasoconstrictor. 
D)  Explain why you are choosing not to administer any local anesthesia. 
A)  Explain that novocaine is in the ester family of drugs and you will be using a local anesthetic from the amide family. 
B)  Explain that,because she is allergic to novocaine and to sulfa drugs,you will be using a local anesthetic without a preservative. 
C)  Explain that,because she is allergic to sulfa drugs,you will be using a local anesthetic with a vasoconstrictor. 
D)  Explain why you are choosing not to administer any local anesthesia.

Question 13

The number of 1:200,000 epinephrine-anesthesia cartridges that a healthy patient may have per dental appointment is______.

Accepted Answer

22.2 cartridges.
The actual nu

Question 14

What is the name of the vasoconstrictor,commonly combined with 3% prilocaine,that may be safely administered to patients with uncontrolled hyperthyroidism?

Accepted Answer

A)  Phenylephrine 
B)  Felypressin 
C)  All options listed 
D)  None of the options listed 
A)  Phenylephrine 
B)  Felypressin 
C)  All options listed 
D)  None of the options listed

Question 15

What factors might contribute to an accidental overdose of vasoconstrictors?

Accepted Answer

A)  Poor technique 
B)  Selection of an inappropriate type of vasoconstrictor 
C)  Too much vasoconstrictor administered 
D)  All options listed 
A)  Poor technique 
B)  Selection of an inappropriate type of vasoconstrictor 
C)  Too much vasoconstrictor administered 
D)  All options listed

Question 16

For all of the following conditions the risks of using a local anesthetic with a vasoconstrictor might outweigh the benefits EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)  Unstable angina 
B)  Recent knee replacement 
C)  Uncontrolled diabetes 
D)  Uncontrolled hypertension 
A)  Unstable angina 
B)  Recent knee replacement 
C)  Uncontrolled diabetes 
D)  Uncontrolled hypertension

Question 17

What effect does the endogenous release of epinephrine have on exogenous administration of epinephrine?

Accepted Answer

A)  It may compound the effects. 
B)  It may counteract the effects. 
C)  It should have no effect. 
D)  Its effects are unknown. 
A)  It may compound the effects. 
B)  It may counteract the effects. 
C)  It should have no effect. 
D)  Its effects are unknown.

Question 18

The number of 1:200,000 epinephrine-anesthesia cartridges that a patient with cardiovascular disease may have per dental appointment is ______.

Accepted Answer

4.4 cartridges,
The actual num

Vasodilation of the blood vessels at the site of the administration of a local anesthetic will cause what?

Adrenalin comes in concentrations of 1:50,000,1:100,000,and 1:200,000.

The absorption of epinephrine is retarded because of the drug's vasoconstricting properties.It may take several hours for absorption to be completed.

Levarterenol is no longer available in the United States.

More concentrated formulations of epinephrine are safer for patients who are cardiovascularly compromised.More diluted formulations of epinephrine provide the greatest bleeding control.

The number of 1:50,000 epinephrine-anesthesia cartridges that a patient with cardiovascular disease may have per dental appointment is ______.

Why are vasoconstrictors important additives to the local anesthetic solution?

Which receptors have inhibitory actions from adrenergic drugs on smooth muscle?

Why are vasoconstrictors added to local anesthetics?

Which of the following vasoconstrictors are NOT added to dental local anesthetic drugs in the United States?

Why is there such a difference in the number of epinephrine-anesthesia cartridges that a healthy patient may have per dental appointment and that a patient with cardiovascular disease may have per dental appointment?

Neleen indicates on her health history that she is allergic to novocaine and sulfa drugs.What patient education might you provide to Neleen?

The number of 1:200,000 epinephrine-anesthesia cartridges that a healthy patient may have per dental appointment is______.

What is the name of the vasoconstrictor,commonly combined with 3% prilocaine,that may be safely administered to patients with uncontrolled hyperthyroidism?

What factors might contribute to an accidental overdose of vasoconstrictors?

For all of the following conditions the risks of using a local anesthetic with a vasoconstrictor might outweigh the benefits EXCEPT one.Which one is the EXCEPTION?

What effect does the endogenous release of epinephrine have on exogenous administration of epinephrine?

The number of 1:200,000 epinephrine-anesthesia cartridges that a patient with cardiovascular disease may have per dental appointment is ______.

Local Anesthesia in Dental Hygiene Practice: an Introduction

Neurophysiology

Pharmacology of Local Anesthetic Agents

Local Anesthetic Agents

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

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Exam 4: Pharmacology of Vasoconstrictors

Vasodilation of the blood vessels at the site of the administration of a local anesthetic will cause what?

Adrenalin comes in concentrations of 1:50,000,1:100,000,and 1:200,000.

The absorption of epinephrine is retarded because of the drug's vasoconstricting properties.It may take several hours for absorption to be completed.

Levarterenol is no longer available in the United States.

More concentrated formulations of epinephrine are safer for patients who are cardiovascularly compromised.More diluted formulations of epinephrine provide the greatest bleeding control.

The number of 1:50,000 epinephrine-anesthesia cartridges that a patient with cardiovascular disease may have per dental appointment is ______.

Why are vasoconstrictors important additives to the local anesthetic solution?

Which receptors have inhibitory actions from adrenergic drugs on smooth muscle?

Why are vasoconstrictors added to local anesthetics?

Which of the following vasoconstrictors are NOT added to dental local anesthetic drugs in the United States?

Why is there such a difference in the number of epinephrine-anesthesia cartridges that a healthy patient may have per dental appointment and that a patient with cardiovascular disease may have per dental appointment?

Neleen indicates on her health history that she is allergic to novocaine and sulfa drugs.What patient education might you provide to Neleen?

The number of 1:200,000 epinephrine-anesthesia cartridges that a healthy patient may have per dental appointment is______.

What is the name of the vasoconstrictor,commonly combined with 3% prilocaine,that may be safely administered to patients with uncontrolled hyperthyroidism?

What factors might contribute to an accidental overdose of vasoconstrictors?

For all of the following conditions the risks of using a local anesthetic with a vasoconstrictor might outweigh the benefits EXCEPT one.Which one is the EXCEPTION?

What effect does the endogenous release of epinephrine have on exogenous administration of epinephrine?

The number of 1:200,000 epinephrine-anesthesia cartridges that a patient with cardiovascular disease may have per dental appointment is ______.

Local Anesthesia in Dental Hygiene Practice: an Introduction

Neurophysiology

Pharmacology of Local Anesthetic Agents

Local Anesthetic Agents

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