DH Pharmacology - Chapter 9 - Online test - Part 2

dh-pharmacology-chapter-9-online-test-part-2

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Question 1 of 1

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479744

120

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Amides are primarily metabolized in the liver, and esters are hydrolyzed to PABA by blood plasma.

Select the correct answer(s).

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480006

180

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Which is the mechanism of action of a local anesthetic?

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480008

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The mechanism of action of local anesthetic is to decrease the permeability of nerve membrane, preventing depolarization.

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480009

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Nerve impulses are transmitted when the nerve action potential ______ the sodium and potassium ion channels in the nerve membrane.

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480010

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The _ flow of sodium ions and the _____ flow of potassium ions repolarizes the membrane and closes sodium channels.

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480011

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Local anesthetics attach themselves to the cell membrane and ______ the permeability of the nerve membrane to the flow of sodium ions, blocking nerve conduction.

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480012

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Because the message of pain is NOT transmitted, local anesthetics DO NOT AFFECT the perception or the reaction to pain

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480013

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Which local anesthetic would be indicated for a lengthy dental procedure as a result of its long duration of action?

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480015

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Match the following

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Match the text
Bupivacaine
Mepivicaine 3% (plain)
Prilocaine 4% with 1:200,000 epinephrine and Articaine 4% with 1:100,000 epinephrine
Lidocaine 2% with 1:100,000 epinephrine

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has the longest duration of action and is indicated in lengthy dental procedures, producing pulpal anesthesia of 90 to 180 minutes.
has an intermediate duration of action, achieving pulpal anesthesia for approximately 60 minutes.
achieving pulpal anesthesia for approximately 60 to 90 minutes
is has the shortest duration of action, with only 20 to 40 minutes of pulpal anesthesia.

480017

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What is the major advantage of amide local anesthetics over esters?

Select the correct answer(s).

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480018

180

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Mrs. Garza is given two cartridges of lidocaine 2% with 1:100,000 epinephrine for the endodontic procedure. What is the total dosage of local anesthetic and epinephrine administered?

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480023

120

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Each cartridge contains 1.8 ml of local anesthetic solution, with a total of _____ mg in a 2% solution.

Select the correct answer(s).

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480024

120

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Each cartridge containing a 1:100,000 concentration of epinephrine has a total of _______ mg/cartridge.

Select the correct answer(s).

(0/0)

479979

120

none

Patients with an atypical form of pseudocholinesterase may develop a systemic toxicity, not an allergic reaction, although esters have much high incidence of allergenicity

DH Pharmacology - Chapter 9 - Online test - Part 2

Question 1 of 1

Time Left

Amides are primarily metabolized in the liver, and esters are hydrolyzed to PABA by blood plasma.

Select the correct answer(s).

(0/0)

Which is the mechanism of action of a local anesthetic?

Select the correct answer(s).

(0/0)

The mechanism of action of local anesthetic is to decrease the permeability of nerve membrane, preventing depolarization.

Select the correct answer(s).

(0/0)

Nerve impulses are transmitted when the nerve action potential ______ the sodium and potassium ion channels in the nerve membrane.

Select the correct answer(s).

(0/0)

The _____ flow of sodium ions and the _________ flow of potassium ions repolarizes the membrane and closes sodium channels.

Select the correct answer(s).

(0/0)

Local anesthetics attach themselves to the cell membrane and ______ the permeability of the nerve membrane to the flow of sodium ions, blocking nerve conduction.

Select the correct answer(s).

(0/0)

Because the message of pain is NOT transmitted, local anesthetics DO NOT AFFECT the perception or the reaction to pain

Select the correct answer(s).

(0/0)

Which local anesthetic would be indicated for a lengthy dental procedure as a result of its long duration of action?

Select the correct answer(s).

(0/0)

Match the following

Match the text (click and drag)

(0/0)

Bupivacaine

Mepivicaine 3% (plain)

Prilocaine 4% with 1:200,000 epinephrine and Articaine 4% with 1:100,000 epinephrine

Lidocaine 2% with 1:100,000 epinephrine

has the longest duration of action and is indicated in lengthy dental procedures, producing pulpal anesthesia of 90 to 180 minutes.

has an intermediate duration of action, achieving pulpal anesthesia for approximately 60 minutes.

achieving pulpal anesthesia for approximately 60 to 90 minutes

is has the shortest duration of action, with only 20 to 40 minutes of pulpal anesthesia.

What is the major advantage of amide local anesthetics over esters?

Select the correct answer(s).

(0/0)

Mrs. Garza is given two cartridges of lidocaine 2% with 1:100,000 epinephrine for the endodontic procedure. What is the total dosage of local anesthetic and epinephrine administered?

Select the correct answer(s).

(0/0)

Each cartridge contains 1.8 ml of local anesthetic solution, with a total of _____ mg in a 2% solution.

Select the correct answer(s).

(0/0)

Each cartridge containing a 1:100,000 concentration of epinephrine has a total of _______ mg/cartridge.

Select the correct answer(s).

(0/0)

Patients with an atypical form of pseudocholinesterase may develop a systemic toxicity, not an allergic reaction, although esters have much high incidence of allergenicity

Select the correct answer(s).

(0/0)

All are components of local anesthetics. Choose all that apply.

Select the correct answer(s).

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The _ flow of sodium ions and the _____ flow of potassium ions repolarizes the membrane and closes sodium channels.