Pharm Antiarrhythmics

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| By Chachelly

Chachelly

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Quizzes Created: 507 | Total Attempts: 620,328

Questions: 20 | Attempts: 4,863 | Updated: Mar 22, 2023

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In today’s medical quiz, we’ll be looking at antiarrhythmics, which are pharmaceuticals that help to ease abnormal rhythms of the heart, which can come about as a result of a number of different heart conditions. What can you tell us about these kinds of drugs? Let’s take a look.

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Current Version
Mar 22, 2023

Quiz Edited by
ProProfs Editorial Team
Jul 08, 2012

Quiz Created by
Chachelly

Pharm Antiarrhythmics

Directions: questions 1-6 Match each antiarrhythmic drug with the appropriate description (each lettered option can be selected once, more than once, or not at all): This drug is an anticonvulsant frequently used in case of generalized tonic-clonic seizures.

Directions: questions 1-6 Match each antiarrhythmic drug with the appropriate description (each lettered option can be selected once, more than once, or not at all): This drug acts on acetylcholine sensitive K+ channels

Directions: questions 1-6 Match each antiarrhythmic drug with the appropriate description (each lettered option can be selected once, more than once, or not at all): This drug is the most effective antiarrhythmic agent for both supraventricular and ventricular arrhythmias

Directions: questions 1-6 Match each antiarrhythmic drug with the appropriate description (each lettered option can be selected once, more than once, or not at all): This drug blocks inactivated (but not activated) Na+ channels

Directions: questions 1-6 Match each antiarrhythmic drug with the appropriate description (each lettered option can be selected once, more than once, or not at all): This drug blocks both beta receptors and K+ channels

Directions: questions 1-6 Match each antiarrhythmic drug with the appropriate description (each lettered option can be selected once, more than once, or not at all): This drug may be used for the therapy of malaria

A Purkinje fiber was isolated from an animal heart and placed in a recording chamber. Action potentials were recorded before and after a low dose of quinidine was added to the perfusate. Which of the following was an electrophysiological action of quinidine on this preparation?

A 47-year-old woman suffering from sustained ventricular tachycardia had been receiving mexiletine for one month. In the abnormal pacemaker cells of this patient the drug most likely decreased which of the following electrophysiological parameters of the heart?