DH Pharmacology - Chapter 9 - Online test - Part 1

dh-pharmacology-chapter-9-online-test-part-1

Question 1 of 1

Time Left

479587

120

block

Lidocaine may be administered in by all routes. Choose all that apply.

Select the correct answer(s).

(0/0)

479588

120

none

Lidocaine is an amide local anesthetic that can be administered as a topical, infiltration, block, spinal, epidural, and caudal anesthesia. It also can be used intravenously to treat cardiac arrhythmias during surgery.

Select the correct answer(s).

(0/0)

479591

120

none

All of these local anesthetic agents are esters. Choose all that apply.

Select the correct answer(s).

(0/0)

479594

180

none

Match the following

Match the text (click and drag)

(0/0)

Match the text
Amide
Ester

Click and drag
lidocaine, mepivacaine, prilocaine, bupivacaine, articaine
benzocaine, procaine, propoxycaine, and tetracaine

479602

180

none

A 45-year-old alcoholic patient with suspected cirrhosis needs an extraction of a badly abscessed tooth. The amount of amide local anesthetic and other drugs should be

Select the correct answer(s).

(0/0)

479606

180

none

Match the following. Metabolism:

Match the text (click and drag)

(0/0)

Match the text
Esters
Amides

Click and drag
liver
plasma

479609

120

none

Patients with severe liver disease or alcoholism may be unable to break down the local anesthetic, so the amount of amide local anesthetic and other drugs should be decreased to prevent systemic toxicity

Select the correct answer(s).

(0/0)

479617

120

none

Which must occur for a local anesthetic to be absorbed into the tissue?

Select the correct answer(s).

(0/0)

479619

120

none

Local anesthetics must be in a _________ form that is equilibrated in a fat-soluble free base and a water-soluble hydrochloric salt.

Select the correct answer(s).

(0/0)

479622

120

none

The dental cartridge is ___________, increasing solubility in the liquid medium.

Select the correct answer(s).

(0/0)

479627

120

none

Once injected into the tissue, which is ___________, the amount of the free-base form increases, providing greater tissue penetration, meaning that the local anesthetic must be PRIMARILY NONIONIZED for tissue absorption.

Select the correct answer(s).

(0/0)

479631

120

none

If the tissue in inflamed, the pH ____________, increasing the ionized portion and making the local anesthetic less effective.

Select the correct answer(s).

(0/0)

479663

120

none

Vasoconstrictors are added to local anesthetics for all reasons. Choose all that apply.

Select the correct answer(s).

(0/0)

479664

180

none

The addition of a vasoconstrictor to local anesthetic prolongs the duration of action, increases the depth of anesthesia, and reduces systemic toxicity by keeping the local anesthetic distribution to systemic circulation to a minimum

Select the correct answer(s).

(0/0)

479666

120

none

Amides are the local anesthetics rarely cause an allergic reaction. Esters are metabolized into paraaminobenzoic acid (PABA), causing esters to have a much greater allergic potential.

DH Pharmacology - Chapter 9 - Online test - Part 1

Question 1 of 1

Time Left

Lidocaine may be administered in by all routes. Choose all that apply.

Select the correct answer(s).

(0/0)

Lidocaine is an amide local anesthetic that can be administered as a topical, infiltration, block, spinal, epidural, and caudal anesthesia. It also can be used intravenously to treat cardiac arrhythmias during surgery.

Select the correct answer(s).

(0/0)

All of these local anesthetic agents are esters. Choose all that apply.

Select the correct answer(s).

(0/0)

Match the following

Match the text (click and drag)

(0/0)

Amide

Ester

lidocaine, mepivacaine, prilocaine, bupivacaine, articaine

benzocaine, procaine, propoxycaine, and tetracaine

A 45-year-old alcoholic patient with suspected cirrhosis needs an extraction of a badly abscessed tooth. The amount of amide local anesthetic and other drugs should be

Select the correct answer(s).

(0/0)

Match the following. Metabolism:

Match the text (click and drag)

(0/0)

Esters

Amides

liver

plasma

Patients with severe liver disease or alcoholism may be unable to break down the local anesthetic, so the amount of amide local anesthetic and other drugs should be decreased to prevent systemic toxicity

Select the correct answer(s).

(0/0)

Which must occur for a local anesthetic to be absorbed into the tissue?

Select the correct answer(s).

(0/0)

Local anesthetics must be in a _________ form that is equilibrated in a fat-soluble free base and a water-soluble hydrochloric salt.

Select the correct answer(s).

(0/0)

The dental cartridge is ___________, increasing solubility in the liquid medium.

Select the correct answer(s).

(0/0)

Once injected into the tissue, which is ___________, the amount of the free-base form increases, providing greater tissue penetration, meaning that the local anesthetic must be PRIMARILY NONIONIZED for tissue absorption.

Select the correct answer(s).

(0/0)

If the tissue in inflamed, the pH ____________, increasing the ionized portion and making the local anesthetic less effective.

Select the correct answer(s).

(0/0)

Vasoconstrictors are added to local anesthetics for all reasons. Choose all that apply.

Select the correct answer(s).

(0/0)

The addition of a vasoconstrictor to local anesthetic prolongs the duration of action, increases the depth of anesthesia, and reduces systemic toxicity by keeping the local anesthetic distribution to systemic circulation to a minimum

Select the correct answer(s).

(0/0)

Amides are the local anesthetics rarely cause an allergic reaction. Esters are metabolized into paraaminobenzoic acid (PABA), causing esters to have a much greater allergic potential.

Select the correct answer(s).

(0/0)

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