suppression of arrhythmias resulting from a reentry focus is most likely to occur if the drug
A: has vagomimetic effects o the AV node
B: is a beta-blocker
C: converts a unidirectional block to a bidrectional block
D: slows conduction through the atria
E: has atropine-like effects on the AV node
A: has vagomimetic effects o the AV node
B: is a beta-blocker
C: converts a unidirectional block to a bidrectional block
D: slows conduction through the atria
E: has atropine-like effects on the AV node
举一反三
- which of the following effects of drugs for tachyarrhythmias is not correct. A: reduction of automaticity B: slowing down conduction of atrial ventricular node conduction C: elimination of reentry D: prolongation of ERP and APD E: acceleration of autodepolarization of pacemakers
- The drug has several side ( ). A: affects B: infects C: effects D: defects
- If quinidine and digoxin are administered concurrently, which of the following effects does quinidine have on digoxin A: The absorption of digoxin from the gastrointestinal (GI) tract is decreased B: The metabolism of digoxin is prevented C: The concentration of digoxin in the plasma is increased D: The effect of digoxin on the AV node is antagonized E: The ability of digoxin to inhibit the Na+-K+-ATPase is reduced
- If quinidine and digoxin are administered concurrently, which of the following effects does quinidine have on digoxin A: The absorption of digoxin from the gastrointestinal tract is decreased B: The metabolism of digoxin is prevented C: The concentration of digoxin in the plasma is increased D: The effect of digoxin on the AV node is antagonized E: The ability of digoxin to inhibit the Na+-K+-simulated ATPase is reduced
- If quinidine and digoxin are administered concurrently, which of the following effects does quinidine have on digoxin? A: The absorption of digoxin from the gastrointestinal (GI) tract is decreased B: The metabolism of digoxin is prevented C: The concentration of digoxin in the plasma is increased D: The effect of digoxin on the AV node is increased E: The ability of digoxin to inhibit the Na+-K+-ATPase is reduced